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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. 83

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Food Contact Substance:  Poly(oxy(1,1'-biphenyl)-4,4'-diyloxy-1,4-phenylenesulfonyl-1,4-phenylene) (CAS Reg. No. 25839-81-0).
Notifier:  Solvay Specialty Polymers USA, LLC
Manufacturer:  Solvay Specialty Polymers USA, LLC
Intended Use:  For repeated use in contact with food.
Effective Date:  09/23/2000
Limitations/Specifications:  1. The basic resins are produced by reacting 4,4'-biphenol and 4,4'-dichlorodiphenylsulfone according to the process described in the notification, so that the finished resin has a weight average molecular weight of at least 43,000. 2. The basic resins are to be used in contact with all food types under Conditions of Use B through H as described in Tables 1 and 2.
Environmental Impact Decisions:  Environmental Decisions Site