2-chloro-1,1-difluoroethane

Also known as: 1,1-difluoro-2-chloroethane, 1-chloro-2,2-difluoroethane, 2-CDE, HCFC-142, Freon-142, 2,2-difluoro-1-chloroethane, 2,2-difluoroethyl chloride, ethane, 2-chloro-1,1-difluoro-

2-chloro-1,1-difluoroethane (CAS 338-65-8) 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 100.49500 g/mol. Key properties include a boiling point of 31ºC at 760mmHg and a density of 1.193g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 338-65-8
Jingsj CID: J-1519064-4
Molecular Formula: C₂H₃ClF₂
Molecular Weight: 100.49500 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	31ºC at 760mmHg
Density	1.193g/cm3
Exact Mass	99.98910
LogP	1.49030
Refractive Index	1.3528

Customs & Trade Information

HS Code	2903399090
Summary	2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

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

The CAS number of 2-chloro-1,1-difluoroethane is 338-65-8.

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

2-chloro-1,1-difluoroethane has molecular formula C2H3ClF2 and molecular weight 100.49500 g/mol.

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

For 2-chloro-1,1-difluoroethane, Upstream Products: 2,2-Difluoroethanol, 1,1,2-Trichloroethane, Chloroethane; Downstream Products: 1,1-difluoroethylene, 1,2-Difluoroethylene, 1-chloro-2-fluoroethene.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-chloro-1,1-difluoroethane (CAS 338-65-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519064-4 (accessed 2026-11-09).

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