|
|
| Product name | propylene glycol |  |
| Chemical name | |
| Origin | SKC |
| Specs | 215KG |
| Propylene glycol has good viscosity and hygroscopicity and is non-toxic, thus it is widely used as a hygroscopic agent, antifreeze, lubricant and solvent in the food, pharmaceutical and cosmetic industries. |
|
|
|
Appearance: Colorless hygroscopic viscous liquid, almost tasteless and odorless.
Boiling point: 188.2
Melting point: -59 ℃
Viscosity(20 ℃)60.5mpa.s.
Specific heat capacity(20 ℃)2.49kJ/(kg.℃).
Heat of vaporization (101.3kpa) 711kJ/kg.
Solubility: miscible with water, ethanol and many organic solvents.
Uses: Propylene glycol is an important raw material for unsaturated polyester, epoxy resin, polyurethane resin, the dosage in this area accounts for about 45% of the total consumption of propylene glycol, and this unsaturated polyester is used in large quantities in surface coatings and reinforced plastics. Propylene glycol has good viscosity and hygroscopicity and is non-toxic, so it is widely used as a hygroscopic agent, antifreeze, lubricant and solvent in the food, pharmaceutical and cosmetic industries. In the food industry, propylene glycol reacts with fatty acids to form propylene glycol fatty acid esters, which are mainly used as food emulsifiers; propylene glycol is an excellent solvent for flavoring and coloring. Propylene glycol is often used as a solvent, softener and excipient in the manufacture of various ointments and creams in the pharmaceutical industry, and is also used as a solvent and softener in cosmetics due to its good intermiscibility with various fragrances. Propylene Glycol is also used as a humidifying agent for tobacco, as an anti-mold agent, and as a solvent for lubricants for food processing equipment and food labeling inks. The aqueous solution of propylene glycol is an effective antifreeze.
|
|
|
