1,2-Difluoroethylene

Also known as: 1,2-Difluoroethene, 1,2-Difluoroethylene, 1,2-fluoroethene, Vinylene difluoride, FC-1132, Ethene, 1,2-difluoro- (9CI), Halothane Impurity 27 (Mixture of E/Z-isomers), cis-,trans-1,2-difluoroethene, cis-vinylene difluoride, 1,2-Difluor-aethylen

1,2-Difluoroethylene (CAS 1691-13-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C2H2F2 and a molecular weight of 64.03410 g/mol. Key properties include a boiling point of -28ºC and a density of 0.969g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1691-13-0
Jingsj CID: J-1180117-5
Molecular Formula: C₂H₂F₂
Molecular Weight: 64.03410 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	-28ºC
Density	0.969g/cm3
Exact Mass	64.01250
LogP	1.39660
Vapor Pressure	5880mmHg at 25°C
Refractive Index	1.282

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 1,2-Difluoroethylene?

The CAS number of 1,2-Difluoroethylene is 1691-13-0.

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

1,2-Difluoroethylene has molecular formula C2H2F2 and molecular weight 64.03410 g/mol.

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

For 1,2-Difluoroethylene, Upstream Products: Heptafluoropropyl trifluorovinyl ether, bromochlorodifluoromethane, Acetylene; Downstream Products: 1,2-dichloro-1,2-difluoroethane, Tetramethyltin.

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. "1,2-Difluoroethylene (CAS 1691-13-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1180117-5 (accessed 2026-11-09).

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