Home › Chemicals › Acrylonitrile CAS 107-13-1: Acrylonitrile (C3H3N) Identity CAS Number 107-13-1 Molecular Formula C3H3N IUPAC Name prop-2-enenitrile Molecular Weight 53.06 g/mol SMILES C=CC#NSynonyms vinyl cyanide, cyanoethylene, ACN, propenenitrile
2D Structure
Physical Properties Density 0.806 g/mL at 25°C Boiling Point 77.0°C Melting Point -84.0°C Flash Point -1.0°C Vapor Pressure 11.0 kPa at 20°C Refractive Index nD = 1.391 Dielectric Constant ε = 38.0
Safety & GHS Classification Flammable GHS06 Health Hazard
H225: Highly flammable liquid and vapor H301: Toxic if swallowed H311: Toxic in contact with skin H317: May cause an allergic skin reaction H331: Toxic if inhaled H319: Causes serious eye irritation H351: Suspected of causing cancer H411: Toxic to aquatic life with long lasting effects 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 Material Rating PTFE Excellent PVC Poor PE Good PP Good PEEK Excellent PVDF Good
Rubbers Material Rating Viton Fair NBR Severe Effect EPDM Poor Silicone Poor FKM Fair
Metals Material Rating Stainless 316 Excellent Aluminum Good Copper Good Brass Good
Applications Acrylic fiber production (40% of demand) ABS and SAN plastic manufacturing Acrylamide production Nitrile rubber (NBR) production Carbon fiber precursor (PAN-based) Adhesive manufacturing Barrier resin production External References: PubChem
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