2-Chloroacrylonitrile

CAS NO.：920-37-6
Empirical Formula: C3H2ClN
Molecular Weight: 87.51
MDL number: MFCD00001858
EINECS: 213-055-2
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 04:40:42

What is 2-Chloroacrylonitrile?

Chemical properties

colorless to light yellow liqui

The Uses of 2-Chloroacrylonitrile

2-Chloroacrylonitrile (cas# 920-37-6) is a compound useful in organic synthesis.

The Uses of 2-Chloroacrylonitrile

Common reagent in cycloaddition reactions.1,2

General Description

A liquid. Boiling point 190-192°F (88-89°C). Density 1.096 g / cm3. Flash point 44°F. Highly toxic.

Air & Water Reactions

Highly flammable.

Reactivity Profile

2-Chloroacrylonitrile readily polymerizes, and copolymerizes with other unsaturated monomers .

Health Hazard

Inhalation or contact with material may irritate or burn skin and eyes. Fire may produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.

Safety Profile

Suspected carcinogen. Poison by intravenous route. A powerful irritant. A dangerous fire hazard when exposed to heat or flame. To fight fire, use water, dry chemical, CO2, foam. When heated to decomposition it emits very toxic fumes of Cl-, NOx, and CN-. See also NITRILES.

Properties of 2-Chloroacrylonitrile

Melting point:	−65 °C(lit.)
Boiling point:	88-89 °C(lit.)
Density	1.096 g/mL at 25 °C(lit.)
refractive index	n20/D 1.429(lit.)
Flash point:	44 °F
storage temp.	Inert atmosphere,2-8°C
solubility	Chloroform, Ethyl Acetate, Methanol (Very Slightly)
form	Liquid
color	Clear colorless to yellow
BRN	773744
CAS DataBase Reference	920-37-6(CAS DataBase Reference)
NIST Chemistry Reference	2-Propenenitrile, 2-chloro-(920-37-6)
EPA Substance Registry System	2-Chloroacrylonitrile (920-37-6)

Safety information for 2-Chloroacrylonitrile

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Corrosion Corrosives GHS05 Skull and Crossbones Acute Toxicity GHS06 Health Hazard GHS08 Environment GHS09
GHS Hazard Statements	H225:Flammable liquids H311:Acute toxicity,dermal H314:Skin corrosion/irritation H334:Sensitisation, respiratory H350:Carcinogenicity H400:Hazardous to the aquatic environment, acute hazard
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.