Synonym(s): Butanoic anhydride
Formula: (CH3CH2CH2CO)2O
Formula Weight: 158.19
CAS No.: 106-31-0
UN Number: UN2739
Purity: ≥97.0% (NT)
Density: 0.967g/mLat 25°C(lit.)
Supplemental Hazards: Reacts violently with water.
Beilstein Registry Number: 1099474
EC No.: 203-383-4
Boiling Point: 198-199°C(lit.)
Melting Point: −75-−66°C(lit.)
Refractive Index: n20/D 1.413(lit.); n20/D 1.413
Empirical Formula (Hill Notation): C9H11F4NO3S