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U.S. Department of Health and Human Services

Inventory of Final Environmental Impact Decisions for Food Contact Notifications

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FCN No. 517

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Food Contact Substance:  Polysulfone-polyphenylene sulfone block copolymer - CAS name: [1,1'-Biphenyl]-4,4'-diol, polymer with 4,4'-(1-methylethylidene) bis[phenol] and 1,1'-sulfonylbis[4-chlorobenzene]
Environmental Requirement:  Cat Ex 25.32(j)
FDA Decision:  Cat Ex Memo