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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. 377

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Food Contact Substance:  5,7-Bis(1,1-dimethylethyl)-3-hydroxy-2(3H)-benzofuranone, reaction products with o-xylene (CAS Reg. No. 181314-48-7).
Notifier:  Ciba Specialty Chemicals Corporation
Manufacturer:  BASF Corporation
Intended Use:  The FCS will be used as an antioxidant for styrene block polymers complying with the provisions of 21 CFR 177.1810.
Effective Date:  01/01/2004
Limitations/Specifications:  The FCS will be used at levels not to exceed 0.1 percent by weight of the finished article; and in contact with all types of foods under Conditions of Use A through H, as described in Tables 1 and 2, respectively.
Environmental Impact Decisions:  Environmental Decisions Site