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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 IjYAEqvh+z0XbiYrS/gpXHsNa9/MWaBfHx34AyVObOQRRx18gm+jvNOMhM7L899e
 hDIl870E6CN8TgKk5d7VSg==

<SEC-DOCUMENT>0001256906-03-000007.txt : 20030731
<SEC-HEADER>0001256906-03-000007.hdr.sgml : 20030731
<ACCEPTANCE-DATETIME>20030731123531
ACCESSION NUMBER:		0001256906-03-000007
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030730
FILED AS OF DATE:		20030731

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OLIN CORP
		CENTRAL INDEX KEY:			0000074303
		STANDARD INDUSTRIAL CLASSIFICATION:	ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350]
		IRS NUMBER:				131872319
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		501 MERRITT 7
		STREET 2:		P O BOX 4500
		CITY:			NORWALK
		STATE:			CT
		ZIP:			06856
		BUSINESS PHONE:		2037503000

	MAIL ADDRESS:	
		STREET 1:		OLIN CORP
		STREET 2:		501 MERRITT 7 PO BOX 4500
		CITY:			NORWALK
		STATE:			CT
		ZIP:			06851

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OLIN MATHIESON CHEMICAL CORP
		DATE OF NAME CHANGE:	19691008

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCHULZ PHILIP J
		CENTRAL INDEX KEY:			0001256906

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-01070
		FILM NUMBER:		03813788

	MAIL ADDRESS:	
		STREET 1:		C/O OLIN CORP
		STREET 2:		501 MERRITT 7
		CITY:			NORWALK
		STATE:			CT
		ZIP:			06856
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>3</documentType><periodOfReport>2003-07-30</periodOfReport>
    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000074303</issuerCik>
        <issuerName>OLIN CORP</issuerName>
        <issuerTradingSymbol>OLN</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001256906</rptOwnerCik>
            <rptOwnerName>SCHULZ PHILIP J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3 SOMERSET LANE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SIMSBURY</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06070</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><footnotes/><remarks/><ownerSignature><signatureName>Philip J. Schulz</signatureName><signatureDate>2003-07-31</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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