<SEC-DOCUMENT>0000074303-26-000068-index.html : 20260624
<SEC-HEADER>0000074303-26-000068.hdr.sgml : 20260624
<ACCEPTANCE-DATETIME>20260624172051
ACCESSION NUMBER:		0000074303-26-000068
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		34
CONFORMED PERIOD OF REPORT:	20251231
FILED AS OF DATE:		20260624
DATE AS OF CHANGE:		20260624

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OLIN Corp
		CENTRAL INDEX KEY:			0000074303
		STANDARD INDUSTRIAL CLASSIFICATION:	CHEMICALS & ALLIED PRODUCTS [2800]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		EIN:				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:		261116901

	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>oln-20251231.htm
<DESCRIPTION>FORM 11-K
<TEXT>
Document 1 - file: oln-20251231.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23 <SEQUENCE>2 <FILENAME>exhibit23-forvismazarsllpc.htm <DESCRIPTION>CONSENT OF FORVIS MAZARS, LLP <TEXT> Document 2 - file: exhibit23-forvismazarsllpc.htm
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</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>7 <FILENAME>oln-20251231_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT <TEXT> Document 7 - file: oln-20251231_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>oln-20251231_g1.jpg <DESCRIPTION>OLIN LOGO <TEXT> Document 8 - file: oln-20251231_g1.jpg
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