Acrylonitrile CAS No.107-13-1

Acrylonitrile (CAS No. 107-13-1) 

1. Basic Information

Chemical Name: AcrylonitrileSynonyms: AN; Vinyl cyanide; Cyanoethylene; PropenenitrileCAS Number: 107-13-1Molecular Formula: C₃H₃NMolecular Weight: 53.06 g/molAppearance: Colorless to pale yellow liquidOdor: Pungent, onion-like odorOdor Threshold: ~1.1–3.6 ppm

2. Physical and Chemical Properties

Melting Point: −83 °C (−117 °F)Boiling Point: 77 °C (171 °F)Density: 0.81 g/cm³ (at 20 °C)Solubility:Water: 7.3 g/100 mL (20 °C)Organic solvents: Miscible with acetone, benzene, ethanolVapor Pressure: 100 mmHg at 22.8 °CFlash Point: −1 °C (30 °F) (closed cup) – Highly FlammableExplosive Limits: 3.0–17% (in air)Refractive Index: 1.388 (20 °C)

3. Chemical Structure

     H       |  H₂C=C-C≡N

4. Hazards (GHS Classification)

Flammability: Highly flammable liquid and vapor (H225)Health Hazards:Acute Toxicity: Fatal if inhaled/swallowed or in contact with skin (H300, H310, H330)Carcinogenicity: Suspected of causing cancer (H351)Skin/Eye: Causes severe burns (H314)Sensitization: May cause allergic skin reaction (H317)Environmental Hazards: Very toxic to aquatic life (H400)NFPA Rating: Health 4, Flammability 3, Reactivity 2

5. Storage and Handling

Storage: Store in airtight containers in cool, well-ventilated areas away from heat/ignition sources. Use explosion-proof equipment.Handling: Strictly use PPE (chemical-resistant gloves, face shield, respirator) and work under fume hood. Avoid static discharge.

6. Applications

Plastics: Key monomer for acrylic fibers (e.g., ABS, SAN plastics).Rubber: Nitrile rubber (NBR) production.Chemical Intermediates: Synthesis of adiponitrile (nylon precursor).

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