<SEC-DOCUMENT>0000074303-19-000042-index.html : 20190619
<SEC-HEADER>0000074303-19-000042.hdr.sgml : 20190619
<ACCEPTANCE-DATETIME>20190619141249
ACCESSION NUMBER:		0000074303-19-000042
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20181231
FILED AS OF DATE:		20190619
DATE AS OF CHANGE:		20190619

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OLIN Corp
		CENTRAL INDEX KEY:			0000074303
		STANDARD INDUSTRIAL CLASSIFICATION:	CHEMICALS & ALLIED PRODUCTS [2800]
		IRS NUMBER:				131872319
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-01070
		FILM NUMBER:		19905899

	BUSINESS ADDRESS:	
		STREET 1:		OLIN CORPORATION
		STREET 2:		190 CARONDELET PLAZA SUITE 1530
		CITY:			CLAYTON
		STATE:			MO
		ZIP:			63105
		BUSINESS PHONE:		3144801400

	MAIL ADDRESS:	
		STREET 1:		OLIN CORPORATION
		STREET 2:		190 CARONDELET PLAZA SUITE 1530
		CITY:			CLAYTON
		STATE:			MO
		ZIP:			63105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OLIN CORP
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OLIN MATHIESON CHEMICAL CORP
		DATE OF NAME CHANGE:	19691008
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>olin2018form11k.htm
<DESCRIPTION>OLIN 2018 FORM 11-K
<TEXT>
Document 1 - file: olin2018form11k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>exhibit231.htm
<DESCRIPTION>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
<TEXT>
Document 2 - file: exhibit231.htm

</DOCUMENT>
</SEC-DOCUMENT>