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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 2B4303

Indirect Food Additives: Adjuvants, Production Aids, and Sanitizers

Petitioner: E.I. duPont de Nemours and Co., Inc.
Docket number (legacy and/or former docket number(s)): (91F-0480)
Subject additive and intended use: amending the food additive regulations to provide for the safe use of 1,1-difluoroethane as a blowing agent in the production of polystyrene articles intended to contact food
21 CFR* affected: 178.3010; Adjuvant substances used in the manufacture of foamed plastics
Substance(s)*, (CAS Registry® No.):
  • 1,1-difluoroethane, (75-37-6)
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    Federal Register publication history: Jan 3, 1992; 57 FR 291; Notice
    Dec 10, 1993; 58 FR 64894; Final Rule; Effective date: Dec 10, 1993


     

    *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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