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U.S. Department of Health and Human Services

Inventory of Effective Food Contact Substance (FCS) Notifications

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FCN No. 222

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Food Contact Substance:  1,5-Cyclooctadiene (CAS Reg. No. 111-78-4).
Notifier:  UBE Industries, Ltd.
Manufacturer:  Degussa-Huls Corp.
Intended Use:  As a molecular weight modifier in the manufacture of polybutadiene which will be used in the production of high-impact polystyrene for food-contact use.
Effective Date:  06/01/2002
Limitations/Specifications:  As a component of polystyrene and rubber modified polystyrene as provided in 21 CFR 177.1640(a)(2). The finished rubber modified polystyrene food contact articles will not contain more than 8 weight percent polybutadiene and be no thicker than 0.07 cm. The residual level of 1,5-Cyclooctadiene in the polybutadiene will not exceed 250 ppm.
Environmental Impact Decisions:  Environmental Decisions Site