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): 02/26/2013

Cytec Industries Inc.

(Exact name of registrant as specified in its charter)

Commission File Number: 1-12372

Five Garret Mountain Plaza

Woodland Park, NJ 07424

(Address of principal executive offices, including zip code)

(973) 357-3100

(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:

On February 26, 2013, Cytec Industries Inc. (the “Company”) executed the Underwriting Agreement, dated February 26, 2013 (the “Underwriting Agreement”), among the Company, Citigroup Global Markets Inc., RBS Securities Inc. and Wells Fargo Securities, LLC, as representatives of the several underwriters named in Exhibit A thereto, in connection with the issuance of $400 million aggregate principal amount of its 3.50% Notes due 2023 in a registered public offering (the “Offering”). Upon issuance, the Notes will be registered by the Company under the Securities Act of 1933, as amended, pursuant to a registration statement on Form S-3 (File No. 333-186862). A copy of the Underwriting Agreement is attached as Exhibit 1.1 to this Current Report on Form 8-K. The Offering is expected to close on Tuesday, March 12, 2013. A copy of the press release dated February 26, 2013 related to the announcement of the pricing of the Offering is attached as Exhibit 99.1 to this Current Report on Form 8-K.

On February 26, 2013, the Company announced that it commenced cash tender offers for up to $175 million of its outstanding debt securities, including up to $125 million of its 6.0% Notes due October 1, 2015 and up to $50 million of its 8.95% Notes due July 1, 2017. A copy of the press release dated February 26, 2013 is attached as Exhibit 99.2 to this Current Report on Form 8-K.

On February 26, 2013, the Company announced that it is calling its 4.60% Notes due July 1, 2013 for redemption on March 27, 2013. A copy of the press release dated February 26, 2013 related to the announcement of the redemption is attached as Exhibit 99.3 to this Current Report on Form 8-K.

SIGNATURES

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.

Exhibit Index