1-Chloro-1,1-difluoroethane

1-氯-1,1-二氟乙烷

Also known as: 1,1-Difluoro-1-chloroethane, Chlorodifluoroethane, Freon 142b, HCFC-142b, R-142b, Monochlorodifluoroethane, α-Chloroethylidene fluoride, Difluoromonochloroethane, Daiflon 142b, F142b, FC 142b, FKW 142b, HFA 142b, Ethane, 1-chloro-1,1-difluoro-, Ethane, chlorodifluoro-, chloro-1,1-difluoroethane, difluorochloroethane

CAS No.
75-68-3
Jingsj CID
J-47502-8
Molecular Formula
C2H3ClF2
Chinese Name
1-氯-1,1-二氟乙烷
Molecular Weight
100.495 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−131 °C(lit.)
Boiling Point-9.3±8.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point-64.4±11.9 °C

Frequently Asked Questions

What is the CAS number of 1-Chloro-1,1-difluoroethane?

75-68-3

What are the molecular formula and molecular weight of 1-Chloro-1,1-difluoroethane?

C2H3ClF2, molecular weight 100.495 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026