Acetyl chloride CAS No.75-36-5

---

Acetyl Chloride (CAS No. 75-36-5)

1. Basic Information

Chemical Name: Acetyl chlorideSynonyms: Ethanoyl chloride; Acetic acid chlorideCAS Number: 75-36-5Molecular Formula: C₂H₃ClOMolecular Weight: 78.50 g/molAppearance: Colorless, fuming liquidOdor: Pungent, irritating odorOdor Threshold: <1 ppm (strongly detectable)

2. Physical and Chemical Properties

Melting Point: -112°C (-170°F)Boiling Point: 51-52°C (124-126°F)Density: 1.10 g/cm³ at 20°CSolubility:Reacts violently with waterSoluble in ether, acetone, benzeneVapor Pressure: 286 mmHg at 20°CFlash Point: 4°C (39°F) – Highly FlammableRefractive Index: 1.3890 at 20°C

3. Chemical Structure

     O    ║CH₃-C-Cl

4. Hazards (GHS Classification)

Flammability: Highly flammable liquid and vapor (H225)Health Hazards:Causes severe skin burns and eye damage (H314)Fatal if inhaled (H330)Causes serious eye damage (H318)Environmental Hazards: Toxic to aquatic life (H402)NFPA Rating: Health 3, Flammability 3, Reactivity 2 (Water Reactivity)

5. Storage and Handling

Storage: Store in tightly sealed containers under inert gas (argon/nitrogen) at <25°CHandling: Must use:Chemical-resistant gloves (neoprene/viton)Face shield + gogglesAcid-resistant apronFume hood with >100 fpm face velocity

6. Applications

Chemical Synthesis: Acetylation agent for pharmaceuticals (aspirin production)Dye Manufacturing: Intermediate for azo dyesPolymer Industry: Modifier for cellulose acetate

Disclaimer: The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.

Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.