| Color and smell state: colorless, odorless, viscous transparent liquid | ||
| Toxicity: non-toxic | Flammability: combustible | |
| Density: 1.0381 | Volatility: hard to volatilize | |
| Corrosivity: No corrosion | Boiling point: 188℃ | |
| Decomposability: high temperature decomposition | Stability: good | |
| Melting point: -59℃ | Acidity and alkalinity: Neutral | |
| Hygroscopicity: good | Spontaneous ignition point: 421.1℃ | |
| Stickiness: good | Deliquescence: not deliquescence | |
| Flash point: 99℃ | Molecular formula: C 3 H 8 O 2 | |
| Solubility: miscible with water, ethanol and most organic solvents | ||
| CAS: 57-55-6 | HS: 29053200 | EINECS: 200-338-0 |
| It is the main raw material of unsaturated polyester, epoxy resin and polyurethane resin; Propylene glycol has good viscosity and hygroscopicity, and is non-toxic. It is widely used as a moisture absorbent, antifreeze, lubricant and solvent in the food, medicine and cosmetic industries; In the food industry, it is an excellent solvent for seasonings and pigments. In medicine, it is a solvent, softener and excipient for making various humidizer and humectant; propylene glycol has good mutual solubility with various spices, so it can also be used as a solvent and softener for cosmetics; it can also be used as a tobacco moisturizer, moisturizer, antimildew agent, food processing equipment lubricating oil and food marking ink solvent, propylene glycol aqueous solution is an effective antifreeze. It is also a raw material for plasticizers, surface active agents, food emulsifiers, demulsifiers, fruit ripening agents, preservatives, hygroscopic agents, lubricants, and antifreeze agents. | ||
