1-Chloro-1-fluoroethylene

CAS NO.：2317-91-1
Empirical Formula: C2H2ClF
Molecular Weight: 80.49
MDL number: MFCD00042129
EINECS: 219-027-6
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 00:19:16

What is 1-Chloro-1-fluoroethylene?

Chemical properties

1-Chloro-1-fluoroethylene is a colorless gas at room temperature and atmospheric pressure. Its point of liquefaction is 25.5 ℃. at a pressure of 741 mm. of mercury and its freezing point is below 80 ℃. The polymerization and co-polymerization of this unsaturated polymerizable organic compound has been described in co-pending application, Serial Number 346,346, filed July 19, 1940.

Definition

ChEBI: 1-chloro-1-fluoroethene is a unique monomer that is also an acetal.

Properties of 1-Chloro-1-fluoroethylene

Melting point:	-169°C
Boiling point:	-24°C
Density	2.618 g/cm3
InChI	InChI=1S/C2H2ClF/c1-2(3)4/h1H2
CAS DataBase Reference	2317-91-1(CAS DataBase Reference)
NIST Chemistry Reference	Ethene, 1-chloro-1-fluoro-(2317-91-1)
EPA Substance Registry System	Ethene, 1-chloro-1-fluoro- (2317-91-1)

Safety information for 1-Chloro-1-fluoroethylene

Signal word	Warning
Pictogram(s)	Flame Flammables GHS02 Gas Cylinder Compressed Gases GHS04
GHS Hazard Statements	H221:Flammable gases H280:Gases under pressure H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection.