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Propylene glycol
- Benchmark: Benchmark 2
- Assessed: 2014-11-30
Key Functions: Cosmetics & Personal Care, Plasticizers & Polymer, Solvents & Cleaning
Propylene glycol has numerous functions in industrial processes and consumer products. It is manufactured from hydroxyacetone by yeast reduction, by non-catalytic liquid-phase hydration of propylene oxide at 100 – 200ºC (major industrial method), by chlorination and treatment with sodium carbonate from propylene, and by heating glycerol with sodium hydroxide (HSDB 2010).
Chemical Synonyms 1,2-Propanediol, 2,3-Propanediol, 2-Hydroxypropanol, Methylethylene glycol