Description
(±)-1,2-Propanediol is an aliphatic alcohol and frequently used as an excipient in many drug formulations to increase the solubility and stability of drugs.
Basic Attributes
Molecular Weight：76.09440
Exact Mass：76.09
EC Number：939-872-0
HScode：2905320000
CAS No:57-55-6
Characteristics
PSA：40.46000
XLogP3：-0.9
Appearance：Clear viscous liquid
Density：1.036 g/cm3 @ Temp: 25 °C
Melting Point：-59 °C
Boiling Point：188.2 °C
Flash Point：99ºC
Refractive Index：n20/D 1.432(lit.)
Water Solubility：Solubility in water: miscible
Storage Conditions：Store at RT.
Vapor Pressure：Vapour pressure, Pa at 20°C: 10.6
Vapor Density：2.62
Toxicity：LD50 orally in Rabbit: 19400 – 36000 mg/kg LD50 dermal Rabbit 20800 mg/kg
Flammability characteristics：Lower flammable limit: 2.6% by volume; Upper flammable limit: 12.5% by volume
Explosive limit：Explosive limits , vol% in air: 2.6-12.6
Odor：Practically odorless
Taste：Practically tasteless
PKA：14.9None
