Synonym(s): 2-Methylpropionic acid
Formula: (CH3)2CHCO2H
Formula Weight: 88.11
CAS No.: 79-31-2
UN Number: UN2529
Purity: ≥99.5% (GC); ≥99.5%
Density: 0.95g/mLat 25°C(lit.)
Beilstein Registry Number: 635770
EC No.: 201-195-7
Boiling Point: 153-154°C(lit.)
Melting Point: −47°C(lit.)
Refractive Index: n20/D 1.393(lit.); n20/D 1.393
Empirical Formula (Hill Notation): C5H10O2