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1-Chloro-1,1-difluoroethane

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

1-Chloro-1,1-difluoroethane (CAS 75-68-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C2H3ClF2 and a molecular weight of 100.495 g/mol. Key properties include a melting point of −131 °C(lit.), a boiling point of -9.3±8.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of -64.4±11.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
75-68-3
Jingsj CID
J-47502-5
Molecular Formula
C2H3ClF2
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
Exact Mass99.989136
LogP1.33
Additional Property3.49 (vs air)
Vapor Pressure2473.6±0.0 mmHg at 25°C
Refractive Index1.316

Frequently Asked Questions

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

The CAS number of 1-Chloro-1,1-difluoroethane is 75-68-3.

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

1-Chloro-1,1-difluoroethane has molecular formula C2H3ClF2 and molecular weight 100.495 g/mol.

What are the upstream and downstream products of 1-Chloro-1,1-difluoroethane?

For 1-Chloro-1,1-difluoroethane, Upstream Products: Vinylidene chloride, 1,1,1-Trichloroethane, 1,1-Difluoroethane; Downstream Products: 1,2,2-Trichloro-1,1-difluoroethane, 1,1,1,2-Tetrachloro-2,2-difluoroethane, 1,2-Dichloro-1,1-difluoroethane.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-Chloro-1,1-difluoroethane (CAS 75-68-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47502-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.