<SEC-DOCUMENT>0001140361-16-055813.txt : 20160301
<SEC-HEADER>0001140361-16-055813.hdr.sgml : 20160301
<ACCEPTANCE-DATETIME>20160301173550
ACCESSION NUMBER:		0001140361-16-055813
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20160229
FILED AS OF DATE:		20160301
DATE AS OF CHANGE:		20160301

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BALCHEM CORP
		CENTRAL INDEX KEY:			0000009326
		STANDARD INDUSTRIAL CLASSIFICATION:	CHEMICALS & ALLIED PRODUCTS [2800]
		IRS NUMBER:				132578432
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		P O BOX 600
		CITY:			NEW HAMPTON
		STATE:			NY
		ZIP:			10958
		BUSINESS PHONE:		8453265632

	MAIL ADDRESS:	
		STREET 1:		P O BOX 600
		CITY:			NEW HAMPTON
		STATE:			NY
		ZIP:			10958

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Houston Matthew David
		CENTRAL INDEX KEY:			0001331803

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13648
		FILM NUMBER:		161474703

	MAIL ADDRESS:	
		STREET 1:		52 SUNRISE PARK ROAD
		STREET 2:		PO BOX 600
		CITY:			NEW HAMPTON
		STATE:			NY
		ZIP:			10958
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2016-02-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000009326</issuerCik>
        <issuerName>BALCHEM CORP</issuerName>
        <issuerTradingSymbol>BCPC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001331803</rptOwnerCik>
            <rptOwnerName>Houston Matthew David</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>BALCHEM CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>52 SUNRISE PARK ROAD</rptOwnerStreet2>
            <rptOwnerCity>NEW HAMPTON</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10958</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>General Counsel/Secretary</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2016-02-29</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>753</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>63.27</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>29050</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">On February 28, 2012, the Company granted 1,863 restricted shares under the Company's Management Long Term Incentive Program. The stock was subject to a repurchase option in favor of the Issuer and to restrictions on transfer until it vested in accordance with the provisions of the Restricted Stock Purchase Agreement on February 28, 2016. 753 of the 1,863 shares that vested February 28, 2016 were withheld to cover withholding taxes due upon vesting.</footnote>
        <footnote id="F2">This filing amends the &quot;Amount of Securities Beneficially Owned Following Reported Transaction&quot; to include the most current amount of shares owned directly by Mr. Houston in his 401(k)/profit sharing account.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/  Matthew D. Houston</signatureName>
        <signatureDate>2016-03-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
