acetic anhydride


acetic acid anhydride; acetic anhydride; acetic oxide; acetyl acetate; acetyl oxide; ethanoic anhydride
In russian:уксусный ангидрид
Links:🌍 Wikipedia, 📏 NIST, ⚗️ ChemSynthesis, 📖 PubMed,
📖Houben-Weyl, 2. Band (Essigsäureanhydrid); p. 443,
📖Houben-Weyl, 2. Band (Acet-anhydrid); p. 245,
📖Org. Chem., v. Richter, 1. Vol (Acetic Anhydride); p. 273, 475,
CAS RN:[108-24-7]
Formula:C4H6O3; 102.09 g/mol
InChiKey:WFDIJRYMOXRFFG-UHFFFAOYSA-N
SMILES:O=C(OC(=O)C)C
Molecular structure of acetic anhydride
Use:acetate rayon; airplane dopes; aspirin; cellulose acetate; chemicals; drugs; films; rayon; solvent in preparation of organic compounds
Toxicology (LD50):4 000 mg/Kg (rabbit, ct); 1 780 mg/Kg(rat, or); 1 780 mg/Kg(rat, or)
Density:1.081 g/mL
Molar volume:94.4 mL/mol
Refractive index:1.390
Molecular refractive power:22.39 mL/mol
Dielectric constant:20.00
Dipole moment:2.80 D
Melting point:-73 °C
Boiling point:139 °C
Antoine equation
P(Torr) vs T(°C)
Vapour pressure vs temperature
Critical temperature:296 °C
Critical pressure:46.0 atm
Log10 partition octanol / water:-0.58
Dimroth ET:43.9
Hansen solubility parameter:δd: 7.5 (cal/mL)^0.5   δp: 5.4 (cal/mL)^0.5   δh: 4.7 (cal/mL)^0.5
100g dissolves:
10.61g sulfur dioxide

Isomers

acetic anhydride
Molecular structure of acetic anhydride
1-hydroxy-1-cyclopropanecarboxylic acid
Molecular structure of 1-hydroxy-1-cyclopropanecarboxylic acid
3-hydroxyoxolan-2-one
Molecular structure of 3-hydroxyoxolan-2-one
(4R)-4-hydroxyoxolan-2-one
Molecular structure of (4R)-4-hydroxyoxolan-2-one
(4S)-4-hydroxyoxolan-2-one
Molecular structure of (4S)-4-hydroxyoxolan-2-one
4-hydroxyoxolan-2-one
Molecular structure of 4-hydroxyoxolan-2-one
(4R)-4-methyl-1,3-dioxolan-2-one
Molecular structure of (4R)-4-methyl-1,3-dioxolan-2-one
(4S)-4-methyl-1,3-dioxolan-2-one
Molecular structure of (4S)-4-methyl-1,3-dioxolan-2-one
4-methyl-2-oxo-1,3-dioxolane
Molecular structure of 4-methyl-2-oxo-1,3-dioxolane
methyl 2-oxopropanoate
Molecular structure of methyl 2-oxopropanoate
oxetane-3-carboxylic acid
Molecular structure of oxetane-3-carboxylic acid
2-oxobutanoic acid
Molecular structure of 2-oxobutanoic acid
3-oxobutanoic acid
Molecular structure of 3-oxobutanoic acid
4-oxobutanoic acid
Molecular structure of 4-oxobutanoic acid
2-oxopropyl formate
Molecular structure of 2-oxopropyl formate