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Financial instruments (Tables)

12 Months Ended

Dec. 31, 2018

Disclosure Of Financials instruments [Abstract]

Disclosure of detailed information about other financial assets [Text Block]

Financial instruments are detailed as follows:

13.1 Types of other financial assets

Description of other financial assets		12/31/2018 ThUS$				12/31/2017 ThUS$
Financial assets at amortized cost (1)			291,790				360,941
Derivative financial instruments
-   For hedging			18,238				-
-   At fair value through profit or loss (2)			2,693				6,038
Total other current financial assets			312,721				366,979
Investments classified as available for sale at fair value through profit or loss			-				9,179
Financial assets at fair value through other comprehensive income			3,631				-
Derivative financial instruments
-   For hedging			13,425				8,910
Financial assets at amortized cost (3)			75				24,790
Total other non-current financial assets			17,131				42,879

(1) Corresponds to term deposits whose maturity date is greater than 90 days and less than 360 days from the investment date constituted in the following financial institutions:

(2) Correspond to forwards and options that were not classified as hedging instruments (See detail in Note 13.3).

(3) SQM Potassium S.A. contributed ThUS$24,745 to Western Australia Lithium (WAL). As of December 31, 2017, this had not been legally incorporated as a Company and the funds remained in trust pending transfer to WAL.

Disclosure of detailed information about other current financial assets [Text Block]

Institution		12/31/2018 ThUS$				12/31/2017 ThUS$
Banco Santander			23,124				163,269
Banco de Crédito e Inversiones			145,834				71,748
Banco Itaú-Corpbanca			70,719				77,527
Banco Security			27,215				28,592
Scotiabank Sud Americano			24,898				13,764
Banco Chile			-				4,834
Banco BBVA Chile			-				1,207
Total			291,790				360,941

Disclosure of trade and other receivables [text block]

13.2 Trade and other receivables

		12/31/2018												12/31/2017
		Current				Non-current				Total				Current				Non-current				Total
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$$				ThUS$
Trade receivables			429,150				-				429,150				412,321				-				412,321
Prepayments			16,147				-				16,147				16,177				-				16,177
Other receivables			19,558				2,275				21,833				18,377				1,912				20,289
Total trade and other receivables			464,855				2,275				467,130				446,875				1,912				448,787

		12/31/2018												12/31/2017
		Assets before allowances				Allowance for doubtful trade receivables				Assets for trade receivables, net				Assets before allowances				Allowance for doubtful trade receivables				Assets for trade receivables, net
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
Receivables related to credit operations, current			445,670				(16,520	)			429,150				427,400				(15,079	)			412,321
Trade receivables, current			445,670				(16,520	)			429,150				427,400				(15,079	)			412,321
Prepayments, current			16,990				(843	)			16,147				16,877				(700	)			16,177
Other receivables, current			23,863				(4,305	)			19,558				23,409				(5,032	)			18,377
Current trade and other receivables			40,853				(5,148	)			35,705				40,286				(5,732	)			34,554
Other receivables, non-current			2,275				-				2,275				1,912				-				1,912
Non-current receivables			2,275				-				2,275				1,912				-				1,912
Total trade and other receivables			488,798				(21,668	)			467,130				469,598				(20,811	)			448,787

Disclosure of detailed information about trade and other receivables [Text Block]

		12/31/2018												12/31/2017
		Assets before allowances				Allowance for doubtful trade receivables				Assets for trade receivables, net				Assets before allowances				Allowance for doubtful trade receivables				Assets for trade receivables, net
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
Receivables related to credit operations, current			445,670				(16,520	)			429,150				427,400				(15,079	)			412,321
Trade receivables, current			445,670				(16,520	)			429,150				427,400				(15,079	)			412,321
Prepayments, current			16,990				(843	)			16,147				16,877				(700	)			16,177
Other receivables, current			23,863				(4,305	)			19,558				23,409				(5,032	)			18,377
Current trade and other receivables			40,853				(5,148	)			35,705				40,286				(5,732	)			34,554
Other receivables, non-current			2,275				-				2,275				1,912				-				1,912
Non-current receivables			2,275				-				2,275				1,912				-				1,912
Total trade and other receivables			488,798				(21,668	)			467,130				469,598				(20,811	)			448,787

Disclosure of financial assets that are either past due or impaired [text block]

As of December 31, 2018 the detail of the uncollateralized portfolio is as follows:

		2018
		Total uncollateralized portfolio
Past due segments		Number of customers non- renegotiated portfolio				Gross non- renegotiated portfolio ThUS$				Number of customers renegotiated portfolio				Gross renegotiated portfolio ThUS$
Current			1,429				403,805				136				668
1-30 days			1,284				17,899				390				596
31-60 days			940				8,063				154				118
61-90 days			661				2,147				41				75
91-120 days			498				1,210				27				47
121-150 days			85				385				16				29
151-180 days			49				177				21				176
181-210 days			14				1,289				41				231
211-250 days			12				107				101				242
>250 days			1,756				7,258				305				1,148
Total			6,728				442,340				1,232				3,330

As of December 31, 2017 the detail of the uncollateralized portfolio is as follows:

		2017
		Total uncollateralized portfolio
Past due segments		Number of customers non- renegotiated portfolio				Gross non- renegotiated portfolio ThUS$				Number of customers renegotiated portfolio				Gross renegotiated portfolio ThUS$
Current			3,039				344,802				23				706
1-30 days			1,598				41,510				376				924
31-60 days			824				8,813				130				272
61-90 days			756				3,740				50				119
91-120 days			548				7,367				22				54
121-150 days			182				2,914				22				56
151-180 days			443				5,602				45				75
181-210 days			365				4,470				27				45
211-250 days			682				112				29				138
>250 days			1,837				3,050				350				2,631
Total			10,274				422,380				1,074				5,020

Disclosure of detailed information about expected credit exposure of accounts receivable based on aging analysis [Table Text Block]

		Accounts Receivable
						1 to 30				31 to 60				61 to 90				Over 90				Total
2018		Current				days				days				days				days				ThUS$
Expected Loss Rate			0	%			0	%			87	%			100	%			100	%
Total Gross Book Value			404,473				18,495				8,181				2,222				12,299				445,670
Deterioration Estimate			-				-				7,147				2,222				12,299				21,668

		Accounts Receivable
						1 to 30				31 to 60				61 to 90				Over 90				Total
2017		Current				days				days				days				days				ThUS$
Expected Loss Rate			0	%			0	%			0	%			27	%			74	%
Total Gross Book Value			345,508				42,434				9,085				3,859				26,514				427,400
Deterioration Estimate			-				-				-				1,061				19,750				20,811

Disclosure of detailed information about movement in provision of trade receivables [Table Text Block]

As of December 31, 2018 and December 31, 2017, movements in provisions are as follows:

		12/31/2018				12/31/2017
		ThUS$				ThUS$
Provision Impairment Accounts receivable at the beginning of the Period			34,936				31,616
Adjustment to Starting Balance through New Model Calculations (IFRS 9)			2,301				-
Increase / (decrease) impairment of accounts receivable for the period to profit and loss			(2,967	)			8,037
Use of Provision Applied to Accounts Receivable			(1,636	)			(4,717	)
Impairment of Accounts Receivable Provision at the Star of the Period (1)+(2)			32,634				34,936
(1) Trade and Other Receivables Provision			21,668				20,811
(2) Current Related Party Receivables Provision			10,966				14,125
Recovery of Insurance			827				126
Impairment of Accounts Receivable Provision			32,634				34,936
Renegotiated Provision			2,056				2,580
Non-renegotiated Provision			30,578				32,356

Disclosure of allowance for credit losses [text block]

Hedging assets with underlying debt

Derivative instruments (Fwds)

Effect on profit or loss for the period Derivative instruments

Hedging reserve in gross equity

Deferred tax hedging reserve in equity

Hedging reserve in equity

ThUS$

ThUS$

ThUS$

ThUS$

ThUS$

December 31, 2018

13,516

(3,004

)

8,256

-

8,256

Hedging liabilities with underlying debt

Derivative instruments (CCS)

Effect on profit or loss for the period Derivative instruments

Hedging reserve in gross equity

Deferred tax hedging reserve in equity

Hedging reserve in equity

ThUS$

ThUS$

ThUS$

ThUS$

ThUS$

December 31, 2018

(17,318

)

16,636

1,541

-

1,541

Hedging assets with underlying investments

Derivative instruments (CCS)

Effect on profit or loss for the period Derivative instruments

Hedging reserve in gross equity

Deferred tax hedging reserve in equity

Hedging reserve in equity

ThUS$

ThUS$

ThUS$

ThUS$

ThUS$

December 31, 2018

18,146

19,911

(1,765

)

-

(1,765

)

Hedging assets with underlying debt

Derivative instruments (Fwds)

Effect on profit or loss for the period Derivative instruments

Hedging reserve in gross equity

Deferred tax hedging reserve in equity

Hedging reserve in equity

ThUS$

ThUS$

ThUS$

ThUS$

ThUS$

December 31, 2017

8,910

5,641

2,170

-

2,170

Hedging liabilities with underlying debt

Derivative instruments (CCS)

Effect on profit or loss for the period Derivative instruments

Hedging reserve in gross equity

Deferred tax hedging reserve in equity

Hedging reserve in equity

ThUS$

ThUS$

ThUS$

ThUS$

ThUS$

December 31, 2017

17,128

33,696

41

-

41

Hedging liabilities with underlying investments

Derivative instruments (CCS)

Effect on profit or loss for the period Derivative instruments

Hedging reserve in gross equity

Deferred tax hedging reserve in equity

Hedging reserve in equity

ThUS$

ThUS$

ThUS$

ThUS$

ThUS$

December 31, 2017

(20,159

)

(20,256

)

97

-

97

Disclosure of maturity analysis for derivative financial liabilities [text block]

Derivative contract maturities are detailed as follows:

Series

Contract amount

Currency

Maturity date

ThUS$

H

155,214

UF

01/05/2023

O

58,748

UF

02/01/2022

P

134,228

UF

01/15/2028

Disclosure of financial liabilities [text block]

As of December 31, 2018 and December 31, 2017, the detail is as follows:

						31/12/2018												31/12/2017
		Current				Non-current				Total				Current				Non-current				Total
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
Liabilities at amortized cost
- Bank borrowings			300				68,870				69,170				163,568				-				163,568
- Obligations with the public (bonds)			15,145				1,249,479				1,264,624				13,494				1,031,507				1,045,001
Derivative financial instruments
- For hedging			5,285				12,033				17,318				37,287				-				37,287
- At fair value through profit or loss			2,855				-				2,855				5,979				-				5,979
Total			23,585				1,330,382				1,353,967				220,328				1,031,507				1,251,835

Disclosure of detailed information about borrowings [text block]

As of December 31, 2018 and December 31, 2017, the detail is as follows:

		12/31/2018				12/31/2017
		ThUS$				ThUS$
Long-term bank borrowings			68,870				-
Short-term bank borrowings			-				163,568
Current portion of long-term loans			300				-
Short-term borrowings and current portion of long-term borrowings			69,170				163,568
Total bank borrowings			69,170				163,568

Disclosure of detailed information about short term borrowings [Text Block]

As of December 31, 2018 and December 31, 2017, the detail of this caption is as follows:

Currency or

Nominal

Debtor

Creditor

adjustment

Effective

rate

Tax ID No

Company

Country

Tax ID No,

Financial institution

Country

index

Repayment

Vencimiento

rate

93,007,000-9

SQM.S.A.

Chile

0-E

Scotiabank Cayman

USA

US$

Upon maturity

05/29/2023

3.60

%

3.98

%

Foreign

Nitratos Naturais do Chile Lim

Brazil

0-E

Banco ITAU Brasil

Brasil

BRL

Upon maturity

01/31/2019

5.17

%

5.17

%

Foreign

SQM Brasil Limitada

Brazil

0-E

Banco ITAU Brasil

Brasil

BRL

Upon maturity

01/31/2019

5.5

%

5.5

%

						12/31/2018												12/31/2018
Debtor		Creditor				Nominal amounts												Current amounts
Company		Financial institution				Up to 90 days ThUS$				90 days to 1 year ThUS$				Total ThUS$				Up to 90 days ThUS$				90 days to 1 year ThUS$				Subtotal ThUS$				Borrowing costs ThUS$				Total ThUS$
SQM S.A.			Scotiabank Cayman				-				-				-				-				248				248				-				248
Nitratos Naturais do Chile Lim			Banco ITAU Brasil				-				-				-				11				-				11				-				11
SQM Brasil Limitada			Banco ITAU Brasil				-				-				-				41				-				41				-				41
Total							-				-				-				52				248				300				-				300

Debtor										Creditor												Currency or Adjustment index				Repayment				Effective rate				Nominal rate
Tax ID No		Company				Country				Tax ID No,				Financial institution				Country
93,007,000-9			SQM.S.A.				CHILE				97,018,000-1				Scotiabank Sud Americano				CHILE				US$				Upon maturity				1.63	%			1.63	%
93,007,000-9			SQM.S.A.				CHILE				97,018,000-1				Scotiabank Sud Americano				CHILE				US$				Upon maturity				1.73	%			1.73	%
93,007,000-9			SQM.S.A.				CHILE				97,018,000-1				Scotiabank Sud Americano				CHILE				US$				Upon maturity				1.73	%			1.73	%
93,007,000-9			SQM S.A.				CHILE				97,018,000-1				Banco Estado				CHILE				US$				Upon maturity				1.64	%			1.64	%
93,007,000-9			SQM S.A.				CHILE				97,018,000-1				Banco Estado				CHILE				US$				Upon maturity				1.67	%			1.67	%
93,007,000-9			SQM S.A.				CHILE				97,018,000-1				Banco Estado				CHILE				US$				Upon maturity				1.67	%			1.67	%
79,626,800-K			SQM Salar S.A.				CHILE				97,018,000-1				Banco Estado				CHILE				US$				Upon maturity				1.91	%			1.91	%
79,626,800-K			SQM Salar S.A.				CHILE				97,018,000-1				Scotiabank Sud Americano				CHILE				US$				Upon maturity				1.94	%			1.94	%
79,947,100-0			SQM Industrial S.A.				CHILE				97,030,000-7				Banco Estado				CHILE				US$				Upon maturity				1.74	%			1.74	%
79,947,100-0			SQM Industrial S.A.				CHILE				97,030,000-7				Banco Estado				CHILE				US$				Upon maturity				1.65	%			1.65	%

						12/31/2017												12/31/2017
Debtor		Creditor				Nominal amounts												Current amounts
Company		Financial institution				Up to 90 days ThUS$				90 days to 1 year ThUS$				Total ThUS$				Up to 90 days ThUS$				90 days to 1 year ThUS$				Subtotal ThUS$				Borrowing costs ThUS$				Total ThUS$
SQM S.A.			Scotiabank Sud Americano				-				20,000				20,000				-				20,137				20,137				-				20,137
SQM S.A.			Scotiabank Sud Americano				-				17,000				17,000				-				17,140				17,140				-				17,140
SQM S.A.			Scotiabank Sud Americano				-				3,000				3,000				-				3,025				3,025				-				3,025
SQM S.A.			Banco Estado				15,000				-				15,000				15,011				-				15,011				-				15,011
SQM S.A.			Banco Estado				15,000				-				15,000				15,011				-				15,011				-				15,011
SQM S.A.			Banco Estado				15,000				-				15,000				15,011				-				15,011				-				15,011
SQM Salar S.A.			Banco Estado				-				20,000				20,000				-				20,071				20,071				-				20,071
SQM Salar S.A.			Scotiabank Sud Americano				-				20,000				20,000				-				20,072				20,072				-				20,072
SQM Industrial S.A.			Banco Estado				-				20,000				20,000				-				20,064				20,064				-				20,064
SQM Industrial S.A.			Banco Estado				18,000				-				18,000				18,026				-				18,026				-				18,026
Total							63,000				100,000				163,000				63,059				100,509				163,568				-				163,568

Disclosure of detailed information about current maturities of unsecured obligations [Text Block]

As of December 31, 2018 and December 31, 2017, the detail of current unsecured interest-bearing obligations is composed of promissory notes and bonds, as follows:

Bonds

Tax ID No.		Company				Country				Number of registration or ID of the instrument				Series				Maturity date				Currency or adjustment index				Payment of interest				Repayment				Effective rate				Nominal rate
93,007,000-9			SQM S.A.				CHILE				-				MMUS$250				4/21/2019				US$				Semiannual				Upon maturity				0.95	%			5,50	%
93,007,000-9			SQM S.A.				CHILE				-				MMUS$250				1/28/2019				US$				Semiannual				Upon maturity				2,75	%			4,38	%
93,007,000-9			SQM S.A.				CHILE				-				MMUS$300				4/03/2019				US$				Semiannual				Upon maturity				1,77	%			3,63	%
93,007,000-9			SQM S.A.				CHILE				564				H				1/05/2019				UF				Semiannual				Semiannual				1,90	%			4,90	%
93,007,000-9			SQM S.A.				CHILE				699				O				2/01/2019				UF				Semiannual				Upon maturity				2,60	%			3,80	%
93,007,000-9			SQM S.A.				CHILE				563				P				1/15/2019				UF				Semiannual				Upon maturity				3,07	%			3,25	%
93.007.000-9			SQM S.A.				Chile				700				Q				6/01/2019				UF				Semiannual				Upon maturity				3,34	%			3,45	%

										12/31/2018																12/31/2018
										Nominal maturities																Current maturities
Company		Country				Series				Up to 90 days				91 days to 1 year				Total				Up to 90 days				91 days to 1 year				Subtotal				Bond issuance costs				Total
										ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
SQM S.A.			CHILE				ThUS$250,000				2,674				-				2,674				2,674				-				2,674				(386	)			2,288
SQM S.A.			CHILE				ThUS$250,000				-				4,648				4,648				-				4,648				4,648				(433	)			4,215
SQM S.A.			CHILE				ThUS$300,000				2,658				-				2,658				2,658				-				2,658				(614	)			2,044
SQM S.A.			CHILE				H				-				3,756				3,756				-				3,756				3,756				(139	)			3,617
SQM S.A.			CHILE				O				-				934				934				-				934				934				(67	)			867
SQM S.A.			CHILE				P				-				1,784				1,784				-				1,784				1,784				(12	)			1,772
SQM S.A.			CHILE				Q				342				-				342				342				-				342				-				342
Total											5,674				11,122				16,796				5,674				11,122				16,796				(1,651	)			15,145

Effective rates of bonds in Chilean pesos and UF are expressed and calculated in U.S. dollars based on the flows agreed in Cross Currency Swap Agreements.

Tax ID No.

Company

Country

Number of registration or ID of the instrument

Series

Maturity date

Currency or adjustment index

Payment of interest

Repayment

Effective rate

Nominal rate

93,007,000-9

SQM S.A.

CHILE

-

ThUS$250,000

04/21/2018

US$

Semiannual

Upon maturity

1.47

%

5.50

%

93,007,000-9

SQM S.A.

CHILE

-

ThUS$250,000

01/28/2018

US$

Semiannual

Upon maturity

3.17

%

4.38

%

93,007,000-9

SQM S.A.

CHILE

-

ThUS$300,000

04/03/2018

US$

Semiannual

Upon maturity

2.12

%

3.63

%

93,007,000-9

SQM S.A.

CHILE

564

H

01/05/2018

UF

Semiannual

Semiannual

2.18

%

4.90

%

93,007,000-9

SQM S.A.

CHILE

699

O

02/01/2018

UF

Semiannual

Upon maturity

2.80

%

3.80

%

										12/31/2017												12/31/2017
										Nominal maturities												Current maturities
Company		Country				Series				Up to 90 days				91 days to 1 year				Total				Up to 90 days				91 days to 1 year				Subtotal				Bond issuance costs				Total
										ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
SQM S.A.			CHILE				ThUS$250,000				-				-				-				-				2,674				2,674				(385	)			2,289
SQM S.A.			CHILE				ThUS$250,000				-				-				-				4,648				-				4,648				(433	)			4,215
SQM S.A.			CHILE				ThUS$300,000				-				-				-				-				2,658				2,658				(615	)			2,043
SQM S.A.			CHILE				H				-				-				-				4,127				-				4,127				(139	)			3,988
SQM S.A.			CHILE				O				-				-				-				1,026				-				1,026				(67	)			959
Total											-				-				-				9,801				5,332				15,133				(1,639	)			13,494

Disclosure of detailed information about non current maturities of unsecured obligations [Text Block]

The following table shows the details of bank loans that accrue non-current interest as of December 31, 2018. As of December 31, there were no loans:

Debtor

Creditor

Currency or adjustment index

Type of amortization

Effective rate

Nominal rate

Chilean Tax ID

Company

Country

Chilean Tax ID

Financial institution

Country

93,007,000-9

SQM.S.A.

Chile

0-E

Scotiabank Cayman

USA

USD

Maturity

3.98%

3.98%

						12/31/2018																12/31/2018
Creditor		Creditor				Nominal non-current maturities																Non-current maturities
Company		Financial institution				Between 1 and 2 ThUS$				Between 2 and 3 ThUS$				Between 3 and 4 ThUS$				Total ThUS$				Between 1 and 2 ThUS$				Between 2 and 3 ThUS$				Between 3 and 4 ThUS$				Subtotal ThUS$				Costs of obtaining loans ThUS$				Total ThUS$
SQM S.A.			Scotiabank Cayman								-				70,000				70,000				-				-				70,000				70,000				(1,130	)			68,870
Total							-				-				70,000				70,000				-				-				70,000				70,000				(1,130	)			68,870

The breakdown of non-current unsecured interest-bearing bonds as of December 31, 2018 and December 31, 2017 is detailed as follows:

																										Periodicity
Tax ID No.		Company				Country				Number of registration or ID of the instrument				Series				Maturity date				Currency or adjustment index				Payment of interest				Repayment				Effective rate				Nominal rate
93.007.000-9			SQM S.A.				CHILE				-				ThUS$250,000				04/21/2020				US$				Semiannual				Upon maturity				5.50	%			5.50	%
93.007.000-9			SQM S.A.				CHILE				-				ThUS$250,000				01/28/2025				US$				Semiannual				Upon maturity				4.38	%			4.38	%
93.007.000-9			SQM S.A.				CHILE				-				ThUS$300,000				04/03/2023				US$				Semiannual				Upon maturity				3.63	%			3.63	%
93.007.000-9			SQM S.A.				CHILE				564				H				01/05/2030				UF				Semiannual				Semiannual				4.90	%			4.90	%
93.007.000-9			SQM S.A.				CHILE				699				O				02/01/2033				UF				Semiannual				Upon maturity				3.80	%			5.50	%
93.007.000-9			SQM S.A.				CHILE				563				P				01/15/2028				UF				Semiannual				Upon maturity				3.25	%			3.25	%
93.007.000-9			SQM S.A.				CHILE				700				Q				06/01/2038				UF				Semiannual				Upon maturity				3.45	%			3.45	%

Nominal non-current maturities 12/31/2018																										Non-current maturities 12/31/2018
Series		Over 1 year to 2				Over 2 years to 3				Over 3 Years to 4				Over 4 Years to 5				Over 5 years				Total				Over 1 year to 2				Over 2 years to 3				Over 3 Years to 4				Over 4 Years to 5				Over 5 years				Subtotal				Bond issuance costs				Total
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
MUS$250			250,000				-				-				-				-				250,000				250,000				-				-				-				-				250,000				(131	)			249,869
MUS$250			-				-				-				-				250,000				250,000				-				-				-				-				250,000				250,000				(2,202	)			247,798
MUS$300			-				-				300,000				-				-				300,000				-				-				300,000				-				-				300,000				(2,006	)			297,994
H			-				-				-				-				158,704				158,704				-				-				-				-				158,704				158,704				(1,392	)			157,312
O			-				-				-				-				59,514				59,514				-				-				-				-				59,514				59,514				(878	)			58,636
P			-				-				-				-				119,028				119,028				-				-				-				-				119,028				119,028				(101	)			118,927
Q			-				-				-				-				119,028				119,028				-				-				-				-				119,028				119,028				(85	)			118,943
Total			250,000				-				300,000				-				706,274				1,256,274				250,000				-				300,000				-				706,274				1,256,274				(6,795	)			1,249,479

As of December 31, 2018 and December 31, 2017, the breakdown of unsecured interest-bearing liabilities, non-current is as follows:

Periodicity

Tax ID No,

Company

Country

Number of registration or ID of the instrument

Series

Maturity date

Currency or adjustment index

Payment of interest

Repayment

Effective rate

Nominal rate

93.007.000-9

SQM S.A.

CHILE

-

MMUS$250

04/21/2020

US$

Semiannual

Upon maturity

5.50

%

5.50

%

93.007.000-9

SQM S.A.

CHILE

-

MMUS$250

01/28/2025

US$

Semiannual

Upon maturity

4.38

%

4.38

%

93.007.000-9

SQM S.A.

CHILE

-

MMUS$300

04/03/2023

US$

Semiannual

Upon maturity

3.63

%

3.63

%

93.007.000-9

SQM S.A.

CHILE

564

H

01/05/2030

UF

Semiannual

Semiannual

4.90

%

6.01

%

93.007.000-9

SQM S.A.

CHILE

699

O

01/02/2033

UF

Semiannual

Upon maturity

3.80

%

3.80

%

Nominal non-current maturities 12/31/2017																										Non-current maturities 12/31/2017
Series		Over 1 year to 2				Over 2 years to 3				Over 3 Years to 4				Over 4 Years to 5				Over 5 years				Total				Over 1 year to 2				Over 2 years to 3				Over 3 Years to 4				Over 4 Years to 5				Over 5 years				Subtotal				Bond issuance costs				Total
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
MUS$250			250,000				-				-				-				-				250,000				250,000				-				-				-				-				250,000				(517	)			249,483
MUS$250			-				-				-				-				250,000				250,000				-				-				-				-				250,000				250,000				(2,636	)			247,364
MUS$300			-				-				-				-				300,000				300,000				-				-				-				-				300,000				300,000				(2,618	)			297,382
H			-				-				-				-				174,367				174,367				-				-				-				-				174,367				174,367				(1,532	)			172,835
O			-				-				-				-				65,388				65,388				-				-				-				-				65,388				65,388				(945	)			64,443
Total			250,000				-				-				-				789,755				1,039,755				250,000				-				-				-				789,755				1,039,755				(8,248	)			1,031,507

Disclosure of information about Series C bonds [Text Block]

As of December 31, 2018, and December 31, 2017, the Company has made the following payments with a charge to the Series C bonds:

Payments made		12/31/2018				12/31/2017				12/31/2016
		ThUS$				ThUS$				ThUS$
Principal payment			-				57,290				5,729
Interest payment			-				1,515				3,275

Disclosure of information about issue of series H bonds [Text Block]

As of December 31, 2018, and December 31, 2017, the Company has made the following payments with a charge to the Series H bonds:

Payments made

12/31/2018 ThUS$

12/31/2017 ThUS$

12/31/2016 ThUS$

Payments of interest, Series H bonds

8,325

7,691

7,289

Disclosure of information about second issue of single series bonds [Text Block]

As of December 31, 2018, and December 31, 2017, the detail of payments charged to the line of single series bonds, second issue is as follows:

Payments made

12/31/2018 ThUS$

12/31/2017 ThUS$

12/31/2016 ThUS$

Interest payment

13,750

13,750

13,750

Disclosure of information about issue of series M and O bonds [Text Block]

On April 4, 2012, the Company placed two bond series in the domestic market.  Series M for UF 1,000,000 (ThUS$46,601) was placed at a term of 5 years with a single payment at the maturity of the term and an annual interest rate of 3.3%.  On February 1, 2017, the M bond was canceled.

Payments made		12/31/2018 ThUS$				12/31/2017 ThUS$				12/31/2016 ThUS$
Principal payment Series M bonds			-				40,726				-
Payment of interest, Series M bonds			-				667				1,242

As of December 31, 2018, and December 31, 2017the Company has made the following payments with a charge to the Series O bonds:

Payments made

12/31/2018 ThUS$

12/31/2017 ThUS$

12/31/2017 ThUS$

Payment of interest, Series O bonds

2,457

2,301

2,142

Disclosure of information about third issue of single series bonds [Text Block]

As of December 31, 2018, and December 31, 2017, the following payments have been made with a debit to the line of single-series bonds, third issue:

Payments made

12/31/2018 ThUS$

12/31/2017 ThUS$

12/31/2016 ThUS$

Payment of interest

10,875

10,875

10,875

Disclosure of information about fourth issue of single series bonds [Text Block]

As of December 31, 2018, and December 31, 2017, the following payments have been made.

Payments made

12/31/2018 ThUS$

12/31/2017 ThUS$

12/31/2016 ThUS$

Payment of interest

10,938

10,938

10,938

Disclosure of information about issue of series P bonds [Table Text Block]

The Bonds (i) mature on January 15, 2028; (ii) will accrue on the unpaid principal, expressed in UF, at an annual interest rate of 3.25% from January 15, 2018; and (iii) can be called early by the Company as of the date of placement, that is, as of April 5, 2018.

Payments made		12/31/2018 ThUS$
Payment of interest			2,027

Disclosure of information about issue of series Q bonds [Table Text Block]

Payments made		12/31/2018 ThUS$
Payment of interest			319

Disclosure of trade and other payables [text block]

13.5      Trade and other payables

		12/31/2018												12/31/2017
		Current				Non-current				Total				Current				Non-current				Total
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
Accounts payable			163,373				-				163,373				195,858				-				195,858
Other accounts payable			378				-				378				422				-				422
Total			163,751				-				163,751				196,280				-				196,280

Disclosure of detailed information about the current and past due suppliers [Text Block]

As of December 31, 2018 and December 31, 2017, the balance of current and past due suppliers is as follows:

Suppliers current on all payments

		Amounts according to payment periods as of 12/31/2018
		Up to 30				31 - 60				61 - 90				91 - 120				121 - 365				366 and more				Total
Type of Supplier		Days				days				Days				days				days				days				ThUS$
Goods			48,969				1,919				912				25				278				2				52,105
Services			37,376				314				157				107				19				35				38,008
Others			54,978				161				20				-				-				3				55,162
Total			141,323				2,394				1,089				132				297				40				145,275

		Amounts according to payment periods as of 12/31/2017
		Up to 30				31 - 60				61 - 90				91 - 120				121 - 365				366 and more				Total
Type of Supplier		days				days				days				days				days				days				ThUS$
Goods			72,567				-				-				-				-				-				72,567
Services			36,855				-				-				-				-				3				36,858
Others			45,104				-				-				-				-				-				45,104
Total			154,526				-				-				-				-				3				154,529

Suppliers past due on payments

		Amounts according to payment periods as of 12/31/2018
		Up to 30				31 - 60				61 - 90				91 - 120				121 - 365				366 and more				Total
Type of Supplier		days				days				days				days				days				days				ThUS$
Goods			1,533				209				210				255				175				287				2,669
Services			12,229				838				109				111				309				141				13,737
Others			1,039				385				92				6				60				110				1,692
Total			14,801				1,432				411				372				544				538				18,098

		Amounts according to payment periods as of 12/31/2017
		Up to 30				31 - 60				61 - 90				91 - 120				121 - 365				366 and more				Total
Type of Supplier		days				days				days				days				days				days				ThUS$
Goods			16,693				448				3,965				1,784				1,602				42				24,534
Services			11,704				1,913				547				681				1,325				17				16,187
Others			479				9				13				20				46				41				608
Total			28,876				2,370				4,525				2,485				2,973				100				41,329

Disclosure of information about derivative instruments measured at fair value through profit or loss [Text Block]

The detail of this type of instrument is as follows:

Financial liabilities at fair value with an impact on profit or loss		12/31/2018				Effect on profit or loss as of 12/31/2018				12/31/2017				Effect on profit or loss as of 12/31/2017				12/31/2016				Effect on profit or loss as of 12/31/2016
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
Current
Derivative instruments (IRS)			-				-				-				-				-				(229	)
Total			-				-				-				-				-				(229	)

Disclosure of detailed information about categories of financial assets [Text Block]

a) Financial Assets

						12/31/2018																12/31/2017
		Current				Non-current				Total				Current				Non-current				Total
Description of financial assets		Amount ThUS$				Amount ThUS$				Amount ThUS$				Amount ThUS$				Amount ThUS$				Amount ThUS$
Cash and cash equivalent			556,066				-				556,066				630,438				-				630,438
Trade receivables due from related parties			44,554				-				44,554				59,132				-				59,132
Financial assets measured at amortized cost			291,790				75				291,865				360,941				45				360,986
Loans and receivables measured at amortized cost			464,855				2,275				467,130				446,875				1,912				448,787
Total financial assets measured at amortized cost			1,357,265				2,350				1,359,615				1,497,386				1,957				1,499,343
Derivative financial instruments
- For hedging purposes			18,238				13,425				31,663				-				8,910				8,910
- At fair value through profit or loss			2,693				-				2,693				6,038				-				6,038
Financial assets at fair value through other comprehensive income			-				3,631				3,631				-				33,924				33,924
Total financial assets at fair value			20,931				17,056				37,987				6,038				42,834				48,872
Total financial assets			1,378,196				19,406				1,397,602				1,503,424				44,791				1,548,215

Disclosure of detailed information about categories of financial liabilities [Text Block]

b) Financial liabilities

		12/31/2018												12/31/2017
Description of financial liabilities		Current				Non- Current				Total				Current				Non- Current				Total
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
Derivative financial instruments
For hedging purposes			5,285				12,033				17,318				37,287				-				37,287
Held for trading at fair value through profit or loss			2,855				-				2,855				5,979				-				5,979
Financial liabilities at fair value through profit or loss			8,140				12,033				20,173				43.266				-				43.266
Liabilities at amortized cost
Bank loans			300				68,870				69,170				163,568				-				163,568
Obligations to the public			15,145				1,249,479				1,264,624				13,494				1,031,507				1,045,001
Financial liabilities at amortized cost (trade and other payables)			163,751				-				163,751				196,280				-				196,280
Accounts payable to related entities			9				-				9				1,365				-				1,365
Total financial liabilities at amortized cost			179,205				1,318,349				1,497,554				374.707				1,031,507				1,406.214
Total financial liabilities			187,345				1,330,382				1,517,727				417,973				1,031,507				1,449,480

Disclosure of fair value measurement [text block]

		Carrying Amount at Amortized Cost				Fair value (informative)				Fair value				Measurement Methodology
		12/31/2018				12/31/2018				12/31/2018				Level 1				Level 2				Level 3
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
Financial Assets
Cash and cash equivalents			556,066				556,066				-				-				556,066				-
Trade and other receivables, current			464,855				464,855				-				-				464,855				-
Trade receivables due from related parties, current			44,554				44,554				-				-				44,554				-
Other current financial assets:			-				-				-				-				-				-
- Time deposits			291,790				291,790				-				-				291,790				-
- Derivative instruments			-				-				-				-				-				-
- Forwards			-				-				2,637				-				2,637				-
- Options			-				-				56				-				56				-
- Hedging assets			-				-				-				-				-				-
- Investment hedge swaps			-				-				18,238				-				18,238				-
Non-current accounts receivable			424				424				-				-				-				-
Other non-current financial assets:			-				-				-				-				-				-
- Other			95				95				-				-				95				-
- Investment in Shares			-				-				3,611				-				-				-
- Hedging assets - Swaps			-				-				13,425				-				13,425				-
Other current financial liabilities			-				-				-				-				-				-
- Bank loans			300				300				-				-				300				-
- Derivative instruments			-				-				-				-				-				-
- Forwards			-				-				2,723				-				2,723				-
- Options			-				-				132				-				132				-
- Hedging liabilities - Swaps			-				-				5,285				-				5,285				-
- Unsecured obligations			15,145				15,145				-				-				15,145				-
Trade and other payables, current and non current			163,751				163,751				-				-				163,751				-
Trade payables due to related parties, current			9				9				-				-				9				-
Other non-current financial liabilities:			-				-				-				-				-				-
- Bank loans			68,870				71,826				-				-				71,826				-
- Unsecured obligations			1,249,479				1,357,640				-				-				1,357,640				-
- Non-current hedging liabilities			-				-				12,033				-				12,033				-

		Carrying Amount at Amortized Cost				Fair value of amounts measured at amoirtized cost				Amounts measured at Fair value				Measurement Methodology
		12/31/2017				12/31/2017				12/31/2017				Level 1				Level 2				Level 3
		ThUS$				ThUS$				ThUS$				ThUS$				ThUS$				ThUS$
Financial Assets
Cash and cash equivalents			630,438				630,438				-				-				630,438				-
Trade and other receivables, current			446,875				446,875				-				-				446,875				-
Trade receivables due from related parties, current			59,132				59,132				-				-				59,132				-
Other current financial assets:			-				-				-				-				-				-
- Time deposits			360,941				360,941				-				-				360,941				-
- Derivative instruments			-				-				-				-				-				-
- Forwards			-				-				2,744				-				2,744				-
- Options			-				-				110				-				110				-
- Hedging assets			-				-				3,184				-				3,184				-
- Investment hedge swaps			-				-				-				-				-				-
Non-current accounts receivable			1,912				1,912				-				-				1,912				-
Other non-current financial assets:			-				-				-				-				-				-
- Other			24,811				24,811				-				-				24,811				-
- Investment in Shares			-				-				9,159				9,159				-				-
- Hedging assets - Swaps			-				-				8,909				-				8,909				-
Other current financial liabilities			-				-				-				-				-				-
- Bank loans			163,568				163,568				-				-				163,568				-
- Derivative instruments			-				-				-				-				-				-
- Forwards			-				-				5,534				-				5,534				-
- Options			-				-				445				-				445				-
- Hedging liabilities - Swaps			-				-				37,287				-				37,287				-
- Unsecured obligations			13,494				13,494				-				-				13,494				-
Trade and other payables, current and non current			196,280				196,280				-				-				196,280				-
Trade payables due to related parties, current			1,365				1,365				-				-				1,365				-
Other non-current financial liabilities:			-				-				-				-				-				-
- Bank loans			-				-				-				-				-				-
- Unsecured obligations			1,031,507				1,131,639				-				-				1,131,639				-
- Non-current hedging liabilities			-								-				-				-				-

Disclosure of information about financial assets pledged as guarantee [Text Block]

As of December 31, 2018 and December 31, 2017, assets pledged as guarantees are as follows:

Restricted cash		12/31/2018 ThUS$				12/31/2017 ThUS$
Isapre Norte Grande Ltda,			712				771
Total			712				771

Disclosure of detailed information about financial instruments [text block]

The detail of the Company’s instruments at carrying value and estimated fair value is as follows:

		12/31/2018								12/31/2017
		Carrying value				Fair value				Carrying value				Fair value
		ThUS$				ThUS$				ThUS$				ThUS$
Cash and cash equivalents			556,066				556,066				630,438				630,438
Current trade and other receivables			464,855				464,855				446,875				446,875
Receivables due from related parties, current			44,554				44,554				59,132				59,132
Other financial assets, current:
- Time deposits			291,790				291,790				360,941				360,941
- Derivative instruments			2,693				2,693				6,038				6,038
- Hedging assets			18,238				18,238				-				-
Total other current financial assets			312,721				312,721				366,979				366,979
Non-Current Trade Receivables			424				424				1,912				1,912
Other non-current financial assets:			17,131				17,131				42,879				42,879
Total other non-current financial assets:			17,131				17,131				42,879				42,879
Other financial liabilities, current:
- Bank loans			300				300				163,568				163,568
- Derivative instruments			2,855				2,855				5,979				5,979
- Hedging liabilities			5,285				5,285				37,287				37,287
- Unsecured obligations			15,145				15,145				13,494				13,494
Other financial liabilities, current			23,585				23,585				220,328				220,328
Current and non-current accounts payable			163,751				163,751				196,280				196,280
Payables due to related parties, non-current			9				9				1,365				1,365
Other non-current financial liabilities:
- Bank loans			68,870				71,826				-				-
- Unsecured obligations			1,249,479				1,404,614				1,031,507				1,131,639
- Non-current hedging liabilities			12,033				2,657				-				-
Other non-current financial liabilities:			1,330,382				1,479,097				1,031,507				1,131,639

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