8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):  July 25, 2007

OLIN CORPORATION

(Exact name of registrant as specified in its charter)

Virginia	1-1070	13-1872319
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

	190 Carondelet Plaza, Suite 1530 Clayton, MO (Address of principal executive offices)	63105-3443 (Zip Code)
(314) 480-1400 (Registrant’s telephone number, including area code)

 (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

[   ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

[   ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

[   ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17CFR 240.14d-2(b))

[   ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17CFR 240.13e-4(c))

Item 7.01.                     Regulation FD Disclosure.

 In accordance with General Instruction B.2. of Form 8-K, the following information shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended. Olin disclaims any intention or obligation to update or revise this information.

Attached as Exhibit 99.1 and incorporated herein by reference is a copy of the registrant’s press release dated July 25, 2007 announcing the entry by Olin and certain of its subsidiaries into an accounts receivable purchase program with various investors and investor agents, and Citicorp North America, Inc., as the program agent.

Item 9.01                      Financial Statements and Exhibits

(d) Exhibits

Exhibit No.                                           Description

99.1                                Press Release dated July 25, 2007.

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

OLIN CORPORATION

By:            /s/ George H. Pain                                           

Name:                       George H. Pain

Title:                         Vice President, General Counsel and Secretary

Date:  July 25, 2007

EXHIBIT INDEX

Exhibit No.                                           Description

99.1                                Press Release dated July 25, 2007.

EX-99.1

Exhibit 99.1

Investor Contact: Larry P. Kromidas

618-258-3206

  News

Olin Corporation, 190 Carondelet Plaza, Suite 1530, Clayton, MO 63105-3443

FOR IMMEDIATE RELEASE

OLIN ANNOUNCES ACCOUNTS RECEIVABLE SECURITIZATION TRANSACTION

CLAYTON, MO, July 25, 2007 – Olin Corporation (NYSE: OLN) announced today that it and certain of its subsidiaries have entered into an accounts receivable purchase program with various investors and investor agents and Citicorp North America, Inc. as program agent.  Under the program the Company and certain of its subsidiaries will sell or contribute certain accounts receivable to a special purpose entity, Olin Funding Company LLC, controlled by the Company.  Olin Funding Company LLC will in turn sell undivided percentage interests in those accounts receivable to the investors in exchange for cash and other consideration of up to $250,000,000 outstanding from time to time.  Unless earlier terminated or subsequently extended pursuant to its terms, the receivables purchase program will expire on July 18, 2012.

The proceeds of the receivables purchase program will be used principally to support Olin’s acquisition of Pioneer Companies, Inc. which was announced on May 21, 2007 and, to the extent available, for general corporate purposes.

COMPANY DESCRIPTION

Olin Corporation is a manufacturer concentrated in three business segments:  Chlor Alkali Products, Metals, and Winchester.  Chlor Alkali Products manufactures chlorine and caustic soda, sodium hydrosulfite, hydrochloric acid, hydrogen, potassium hydroxide and bleach products.  Metals products include copper and copper alloy sheet, strip, foil, rod, welded tube, fabricated parts, and stainless steel and aluminum strip.  Winchester products include sporting ammunition, reloading components, small caliber military ammunition and components, and industrial cartridges.

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