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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. 310

 
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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:  For use as an antioxidant/stabilizer in olefin polymers and copolymers.
 
Effective Date:  04/12/2003
 
Limitations/Specifications:  For use 1) at levels not to exceed 0.1 percent by weight in all polyolefins listed in 21 CFR 177.1520 in contact with aqueous, acidic and low-alcohol foods (i.e. food types I, II, IV-B, VI-A, VI-B, VII-B, and VIII), under Conditions of Use A through H, as described in Tables 1 and 2, respectively; 2) at levels not to exceed 0.03 percent by weight in polypropylene homopolymers listed in 21 CFR 177.1520 for fatty and high-alcohol foods (i.e. food types III, IV-A, V, VI-C, VII-A, IX), under Conditions of Use A through H, as described in Tables 1 and 2, respectively; and 3) at levels not to exceed 0.0062 mg/in2 in low density polyethylene polymers and linear low density polyethylene polymers and copolymers listed in 21 CFR 177.1520 where the average polymer thickness may be ? 50 um (2 mils) in contact with fatty and high-alcohol foods (i.e. food types III, IV-A, V, VI-C, VII-A, IX) under Conditions of Use A through H, as described in Tables 1 and 2, respectively.
 
Environmental Impact Decisions:  Environmental Decisions Site
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