Propylene glycol is a binary alcohol with the properties of ordinary alcohol. It reacts with hydrogen halide to produce halogenated alcohol. It reacts with propylene oxide to form ether. React with organic and inorganic acids to produce monoesters or diesters. It reacts with acetaldehyde to form methyldioxolane.
Product Name
Propylene Glycol
Multiple Names
1,2-Propanediol;
Propane-1,2-Diol;
Glycol-Propylene;
Dowfrost(Tm).
CAS No. 57-55-6;123120-98-9
EC No. 200-338-0
MF No. C3H8O2
MW No. 76.09
Assay Item | Standard |
Form | 14.49±0.20 |
Color | Clear |
Acidity Coefficient (pKa) | 14.49±0.20 |
Melting Point | -60 °C |
Refractive Index | n20/D 1.432 |
PH | 6-8 |
1. Strong hygroscopicity.
2. Can be used as moisturizing agent in cosmetics.
3. The aqueous solution of propylene glycol is an effective antifreeze.
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