Synonyms: 1,2-Propanediol; Propylene glycol
Formula: CH3CH(OH)CH2OH
Formula Weight: 76.09
CAS No.: 57-55-6
Density: 1.036 g/mL at 25 °C(lit.)
Autoignition Temp.: 779°F
BP: 187°C(lit.)
Density: 1.036 g/mL at 25°C(lit.)
Expl. Lim.: 12.5 %
Grade: certified reference material
MP: −60°C(lit.)
Packaging: pkg of 1.5 g
Pharmacopeia Traceability: traceable to USP 1576708
Refractive Index: n20/D 1.432(lit.)
Vapor Density: 2.62 (vs air)
Vapor Pressure: 0.08 mmHg ( 20°C)