A viscous hygroscopic liquid commonly used as a nontoxic antifreeze additive in food and drinks. Propylene glycol also acts as an inhibitor for mold and bacteria. Industrially, it is used as a solvent and emulsifier for synthetic resins, rosin, and essential oils. Propylene glycol oxidizes with mild heat to form acetic, pyruvic, and lactic acids.
Synonyms and Related Terms
1,2-propanediol; methyl glycol; 1,2-dyhydroxypropane; methylethylene glycol
Miscible with water, acetone, chloroform. Soluble in ether.
|Molecular Weight||mol. wt.=76.09|
Hazards and Safety
Ingestion and inhalation may cause minor problems. Skin contact may be irritating and defatting. Flammable. Flash point = 99C (210F)
Mallinckrodt Baker: MSDS
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983
- MSDS Sheet