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U.S. Department of Health and Human Services

Final Rules: Food Additives and Color Additives
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Petition(s): FAP 1B4263

Indirect Food Additives: Polymers

Petitioner: BASF Corp.
Docket number (legacy and/or former docket number(s)): (92F-0237)
Subject additive and intended use: amending the food additive regulations to provide for the safe use of 1,1'-sulfonylbis[4-chlorobenzene] polymer with 4,4'-(1-methylethylidene)bis[phenol] (maximum 8 percent) and 4,4'-sulfonylbis[phenol] (minimum 92 percent) as repeat-use articles or components of repeat-use articles that contact food
21 CFR* affected: 177.2440; Polyethersulfone resins
Substance(s)*, (CAS Registry® No.):
  • poly(oxy-p-phenylenesulfonyl-p-phenylene), (25667-42-9)
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  • 1,1'-sulfonylbis[4-chlorobenzene] polymer with 4,4'-(1-methylethylidene)bis[phenol] and 4,4'-sulfonylbis[phenol], (88285-91-0)
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    Federal Register publication history: Jul 8, 1992; 57 FR 30224; Notice
    Sep 20, 1995; 60 FR 48648; Final Rule; Effective date: Sep 20, 1995


     

    *Definitions

    • 21 CFR: Title 21 of the Code of Federal Regulations.
    • Substance: The name of the substance listed in the CFR.
    • CAS Registry® No.: Chemical Abstract Service (CAS) Registry Number® for the substance.
    • Petitions (see also Questions and Answers About the Petition Process)
      • FAP: Food Additive Petition
      • CAP: Color Additive Petition
      • GRP: GRAS Affirmation Petition (replaced by GRAS Notification Program in 1998)
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