• Decrease font size
  • Return font size to normal
  • Increase font size
U.S. Department of Health and Human Services

Inventory of Effective Food Contact Substance (FCS) Notifications

  • Print
  • Share
  • E-mail

FCN No. 484

Return to Listing
Food Contact Substance:  Isobutylene-butene copolymer (CAS Reg. No. 9044-17-1).
Notifier:  NOVA Chemicals Inc.
Manufacturer:  NOVA Chemicals Inc.
Intended Use:  For use as a process aid in the manufacture of styrene-maleic anhydride copolymers complying with 21 CFR 177.1820(b)(2).
Effective Date:  04/06/2005
Limitations/Specifications:  Molecular weight (range): 150-6500. Viscosity (range): 200-235 cST (100°C). Maximum bromine value: 90. At levels not to exceed 4 percent by weight of styrene-maleic anhydride resins used to fabricate non-film food-contact articles. The FCS is primarily intended for single-service applications. The FCS will be used in contact with: (1) refrigerated or frozen food (Conditions of Use F and G); (2) refrigerated or frozen food that may be microwave reheated; (3) takeout food items that have been hot filled; and (4) aqueous and acidic foods for use as components of food processing machinery at temperatures not to exceed 100°C for up to five minutes.
Environmental Impact Decisions:  Environmental Decisions Site