Propylene glycol, also known as 1,2-propanediol, is a odorless, tasteless, colorless, viscous liquid at room temperature. It is often added to water for lowering its freezing point.
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Polymer production
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Antifreeze
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Cosmetics
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Emulsifier
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Emollient
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Artificial smoke/fog
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- Laboratory & Research
- Cosmetics
- Chemical Manufacturing
Product Information
| CAS | 57-55-6 |
|---|---|
| Synonyms | 1,2-Propanediol; 1,2-Dihydroxypropane |
| Color | Clear |
| Physical form | Viscous liquid |
| Appearance | Clear |
| Odor | Odorless |
| pH | 6-8 100g/l aq. sol |
| Melting point | -60 °C / -76 °F |
| Boiling Point | 187 °C / 368.6 °F |
| Vapor pressure | 0.13 mbar @ 20 °C |
| Density | 1.03 - 1.04 |
| Solubility | Soluble in water |
| Auto-ignition temperature | 400 °C / 752 °F |
| Autoship Available | Yes |
| Flash Point | 99 °C / 210.2 °F |
| Vapor density | 2.62 (Air = 1.0) |
| Viscosity | 45 mPa.s at 20 °C |
| Water | 50 v/v% |













