Chemical Detail

Chemical Name1-Chloro-1,1-difluoroethane (HCFC-142b)
Synonym(s)1,1,1-Chlorodifluoroethane | 1,1,1-Difluorochloroethane | 1,1-Difluoro-1-chloroethane | CFC 142b | Chlorodifluoroethane | Chloroethylidene fluoride | Chlorofluorocarbon 142b | Difluoro-1-chloroethane | Difluoromonochloroethane | Ethane, 1-chloro-1,1-difluoro- | FC 142B | Fluorocarbon 142b | Fluorocarbon FC142b | Freon 142 | Freon 142b | Genetron 101 | Genetron 142b | Gentron 142B | HCFC-142b | Hydrochlorofluorocarbon 142b | Propellant 142b | R 142B | alpha-Chloroethylidene fluoride
CASRN75-68-3
De minimis Limit %1
M,P/OU Threshould (lb)25,000/10,000
Listing TypeIndividually listed chemical
Effective Date1994-01-01
Chemical QualifierNo
MetalNo
Chemical of Special ConcernNo
Per- or Polyfluoroalkyl SubstanceNo
Structural image
Structural representation of 1-Chloro-1,1-difluoroethane (HCFC-142b)

Rulemaking Changes Affecting This Chemical

StatusEffective Reporting YearFR Proposed RuleFR Final Rule
Added199457 FR 28159 (6/24/1992)58 FR 63496 (12/1/1993)