CAS No.: | 57-55-6 |
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Formula: | C3h8o2 |
EINECS: | 200-338-0 |
Classification: | Aromatic Alcohol |
Appearance: | Liquid |
Type: | 1°(Primary Alcohol) |
Samples: |
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Customization: |
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Propylene glycol,Other name1,2-propanediol, is an organic compound with the chemical formula of C3H8O2. It is miscible with water, ethanol and various organic solvents. Under normal conditions, it is colorless viscous liquid, almost tasteless and slightly sweet. Propylene glycol can be used as raw material of unsaturated polyester resin, and can be used as wetting agent with glycerol or sorbitol in cosmetics, toothpaste and soap. In hair dyes, it is used as moisture control, hair conditioner, antifreeze, cellophane, plasticizer and pharmaceutical industry.
Item | Unit | Specifications | |||
MPG content | Wt% | 99.80min | |||
Water | ppm | 1000max | |||
Color, Pt-Co | APHA | 10 | |||
Acidity | % | 0.01max | |||
IBP | DegC | 183min | |||
DP | DegC | 189max | |||
Iron | ppm | 0.5max | |||
Sulfate | ppm | 10max | |||
Chloride | ppm | 2max | |||
Heavy Metals ( Pb) | ppm | 5max | |||
Residue on Ignition | ppm | 20max | |||
Specific Gravity | 20/20degC | 1.035-1.040 | |||
Refractive Index | nD20 | 1.431-1.435 | |||
Appearance | Colorless,Viscous, Transparent liquid |
Propylene glycol is an important raw material for unsaturated polyester, epoxy resin, polyurethane resin, plasticizer and surfactant. Propylene glycol has good viscosity and hygroscopicity, and is widely used as hygroscopicity agent, antifreeze, lubricant and solvent in food, medicine and cosmetics industries. In the food industry, Propylene glycol is an excellent solvent for condiments and pigments, and is used as a solvent for spices and Food coloring. 1,2-propanediol is commonly used in the pharmaceutical industry as a solvent, softener, and excipient in the manufacturing of various ointments and ointments. It is also used as a humidifier and mold inhibitor for tobacco, as well as a solvent for lubricating oil in food processing equipment and food labeling inks. The aqueous solution of Propylene glycol is an effective antifreeze. It is also used as a tobacco wetting agent, mold inhibitor, fruit ripening preservative, antifreeze, and heat carrier.
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