acetic anhydride
chemical compound
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Summary
acetic anhydride is a type of chemical entity[1]. It ranks in the top 5% of type of chemical entity entities by monthly Wikipedia readership (6,101 views/month).[2]
Key Facts
- Canonical SMILES: CC(=O)OC(=O)C[3]
- Chemical formula: C₄H₆O₃[4]
- Subclass of: carboxylic anhydride[5]
- Has use: reactant[6]
- Commons category: Acetic anhydride[7]
- Has part(s): oxygen[8], carbon[9]
- Refractive index: 1.3906[10]
- Described by source: Brockhaus and Efron Encyclopedic Dictionary[11]
- Has characteristic: Class II combustible liquid[12]
- Different from: butane-2,3-dione[13]
- NIOSH Pocket Guide ID: 0003[14]
- MCN code: 2915.24.00[15]
- Density: 1.08 gram per cubic centimetre[16]
- Electrical conductivity: 0.00000048 ampere per volt metre[17]
- Molar fusion enthalpy: 10.5 kilojoule per mole[18]
- Mass: 102.032 dalton[19]
- Thermal conductivity: 0.0002209 watt per metre kelvin[20]
- Melting point: -99 degree Fahrenheit[21], -73 °C[22]
- Boiling point: 282 degree Fahrenheit[23], 139.55 °C[24]
- Molar enthalpy of vaporization: 276.7 kilojoule per mole[25]
- Vapor pressure: 4 millimetre of mercury[26]
- Flash point: 120 degree Fahrenheit[27]
- Immediately dangerous to life or health: 200 parts per million[28], 836 milligram per cubic metre[29]
- Solubility: 12 gram per 100 gram of solvent[30]
- Autoignition temperature: 316 °C[31]
Why It Matters
acetic anhydride has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[32] It is known by 72 alternative names across languages and contexts.[33]