    <SEC-DOCUMENT>0000074303-20-000120-index.html : 20200310
    <SEC-HEADER>0000074303-20-000120.hdr.sgml : 20200310
    <ACCEPTANCE-DATETIME>20200310165536
    ACCESSION NUMBER:		0000074303-20-000120
    CONFORMED SUBMISSION TYPE:	S-3ASR
    PUBLIC DOCUMENT COUNT:		10
    FILED AS OF DATE:		20200310
    DATE AS OF CHANGE:		20200310
    EFFECTIVENESS DATE:		20200310

    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:		S-3ASR
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237060
    		FILM NUMBER:		20702467

    	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>S-3ASR
    <SEQUENCE>1
    <FILENAME>olin-2020sx3asredgar.htm
    <DESCRIPTION>FORM S-3 ASR
    <TEXT>
    Document 1 - file: olin-2020sx3asredgar.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.(A)
    <SEQUENCE>2
    <FILENAME>exhibit5aolin-cravathex5op.htm
    <DESCRIPTION>EX-5(A)
    <TEXT>
    Document 2 - file: exhibit5aolin-cravathex5op.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.(B)
    <SEQUENCE>3
    <FILENAME>exhibit5bolin-huntonex5opi.htm
    <DESCRIPTION>EX-5(B)
    <TEXT>
    Document 3 - file: exhibit5bolin-huntonex5opi.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.(A)
    <SEQUENCE>4
    <FILENAME>exhibit23aolin-kpmgconsent.htm
    <DESCRIPTION>EX-23(A)
    <TEXT>
    Document 4 - file: exhibit23aolin-kpmgconsent.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-25.(A)
    <SEQUENCE>5
    <FILENAME>exhibit25aolin-tx1bnymedgar.htm
    <DESCRIPTION>EX-25(A)
    <TEXT>
    Document 5 - file: exhibit25aolin-tx1bnymedgar.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-25.(B)
    <SEQUENCE>6
    <FILENAME>exhibit25bolin-tx1usbankna.htm
    <DESCRIPTION>EX-25(B)
    <TEXT>
    Document 6 - file: exhibit25bolin-tx1usbankna.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>comptrollerimaga01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: comptrollerimaga01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>comptrollerimage02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: comptrollerimage02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>exhibit5aolincravathe_image1.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: exhibit5aolincravathe_image1.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>exhibit5bolinhuntonex_image1.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: exhibit5bolinhuntonex_image1.gif

    </DOCUMENT>
    </SEC-DOCUMENT>