Final Rules: Food Additives and Color Additives

Petition(s): FAP 1B4262

Petitioner:	BASF Corp.
Docket number (legacy and/or former docket number(s)):	(92F-0357)
Subject additive and intended use:	amending the food additive regulations to provide for the safe use of polysulfone resins identified as 1,1'-sulfonylbis[4-chlorobenzene] polymer with 4,4'-(1-methylethylidene)bis[phenol] (minimum 92 percent) and 4,4'-sulfonylbis[phenol] (maximum 8 percent) (CAS Reg. No. 88285-91-0) consisting of basic resins produced when a mixture of 4,4'-isopropylidenediphenol (minimum 92 percent) and 4,4'-sulfonylbis[phenol] (maximum 8 percent) is made to react with 4,4'-dichlorodiphenyl sulfone in such a way that the finished resins have a minimum number average molecular weight of 26,000, as determined by osmotic pressure in dimethylformamide, as an article or component of articles for use in contact with food
21 CFR* affected:	177.1655; Polysulfone resins
Substance(s)*, (CAS Registry® No.):	1,1'-sulfonylbis[4-chlorobenzene] polymer with 4,4'-(1-methylethylidene)bis[phenol] and 4,4'sulfonylbis[phenol], (88285-91-0)
Federal Register publication history:	Nov 17, 1992; 57 FR 54247; Notice
	Jun 11, 1996; 61 FR 29474; Final Rule; Effective date: Jun 11, 1996

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)