1-Chloro-1,1-difluoroethane (HCFC-142b)

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Chemical Name	1-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
CASRN	75-68-3
De minimis Limit %	1
M,P/OU Threshould (lb)	25,000/10,000
Listing Type	Individually listed chemical
Effective Date	01-JAN-94
Chemical Qualifier	No
Metal	No
Chemical of Special Concern	No
Per- or Polyfluoroalkyl Substance	No

Rulemaking Changes Affecting This Chemical

Status	Effective Reporting Year	FR Proposed Rule	FR Final Rule
Added	1994	57 FR 28159 (6/24/1992)	58 FR 63496 (12/1/1993)

Default Percentages for Section 6.1 Transfers

% of §6.1 to §:
8.1c	8.1d	8.7
1	98	1

Structural image
Structural representation of 1-Chloro-1,1-difluoroethane (HCFC-142b)

Structural representation of 1-Chloro-1,1-difluoroethane (HCFC-142b)