CAS 107-13-1: Acrylonitrile (C3H3N)

Identity

CAS Number107-13-1
Molecular FormulaC3H3N
IUPAC Nameprop-2-enenitrile
Molecular Weight53.06 g/mol
SMILESC=CC#N
Synonymsvinyl cyanide, cyanoethylene, ACN, propenenitrile

2D Structure

Physical Properties

Density0.806 g/mL at 25°C
Boiling Point77.0°C
Melting Point-84.0°C
Flash Point-1.0°C
Vapor Pressure11.0 kPa at 20°C
Refractive IndexnD = 1.391
Dielectric Constantε = 38.0

Safety & GHS Classification

FlammableGHS06Health Hazard

Storage: Store in cool, well-ventilated area. Polymerizes spontaneously — add inhibitor (hydroquinone monomethyl ether, 35-45 ppm). Extremely flammable and toxic. Suspected carcinogen. Use in fume hood with full PPE. Keep away from ignition sources.

Material Compatibility Matrix

Plastics

MaterialRating
PTFEExcellent
PVCPoor
PEGood
PPGood
PEEKExcellent
PVDFGood

Rubbers

MaterialRating
VitonFair
NBRSevere Effect
EPDMPoor
SiliconePoor
FKMFair

Metals

MaterialRating
Stainless 316Excellent
AluminumGood
CopperGood
BrassGood

Applications

External References: PubChem

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