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1,1,1,2-Tetrachloro-2,2-difluoroethane

Also known as: 1,1-Difluoro-1,2,2,2-tetrachloroethane, 1,1-Difluorotetrachloroethane, CFC-112a, F-112a, Freon 112a, Halocarbon 112a, R-112a, Tetrachloro-1,1-difluoroethane, 1,1,1,2-Tetrachloro-2,2-difluoro-ethane, 1,1-Difluoro-1,2,2,2-tetrachloro-ethane, 1-Chloro-1,1-difluoro-2,2,2-trichloroethane, Difluorotetrachloroethane, Genetron 131, Freon BU

1,1,1,2-Tetrachloro-2,2-difluoroethane (CAS 76-11-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C2Cl4F2 and a molecular weight of 203.83000 g/mol. Key properties include a melting point of 39-44ºC, a boiling point of 93.3ºC at 760 mmHg, a density of 1.726 g/cm3 and a flash point of 11.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
76-11-9
Jingsj CID
J-5186-5
Molecular Formula
C2Cl4F2
Molecular Weight
203.83000 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Melting Point39-44ºC
Boiling Point93.3ºC at 760 mmHg
Density1.726 g/cm3
Flash Point11.8ºC
Exact Mass201.87200
LogP3.18820
Refractive Index1.4046

Frequently Asked Questions

What is the CAS number of 1,1,1,2-Tetrachloro-2,2-difluoroethane?

The CAS number of 1,1,1,2-Tetrachloro-2,2-difluoroethane is 76-11-9.

What are the molecular formula and molecular weight of 1,1,1,2-Tetrachloro-2,2-difluoroethane?

1,1,1,2-Tetrachloro-2,2-difluoroethane has molecular formula C2Cl4F2 and molecular weight 203.83000 g/mol.

What are the upstream and downstream products of 1,1,1,2-Tetrachloro-2,2-difluoroethane?

For 1,1,1,2-Tetrachloro-2,2-difluoroethane, Upstream Products: 1,1-Difluoroethane, 1,2-difluorotetrachloroethane, Tetrachloroethylene; Downstream Products: Chlorodifluoroacetyl chloride, 1,1,1-Trichloro-2,2,2-trifluoroethane, 1,1,2-Trichloro-1,2,2-trifluoroethane.

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

Last updated:

How to cite: Jingsj. "1,1,1,2-Tetrachloro-2,2-difluoroethane (CAS 76-11-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5186-5 (accessed 2026-11-09).

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