1,2-Propanediol
Industrial grade 1,2-Propanediol Pharmaceutical Grade 1,2-Propanediol 1,2-Propanediol Shandong general agency Imported 1,2-Propanediol
Pharmaceutical/Industrial grade Japan 210kg/drum
1,4-Butanediol Japn 1,4-Butanediol Agent of 1,4-Butanediol Wholesale of 1,4-Butanediol
99.9% Japan/Domestic 200kg/drum
CAS No.: 57-55-6
Molecular formula: C3H8O2
Relative molecular weight: 76.09
Relative density :(20/20οC)1.0381
Appearance: Colorless hygroscopic viscous liquid, almost odorless.
Boiling point: 188.2 Melting point: -59οC
Ignition point: 421.1οC Viscosity (20 οC): 56.0mpa.s,
Surface tension: 72.0 (25οC)
Specific heat capacity (20 οC) 2.49kJ/(kg.οC),
Heat of vaporization (101.3kpa) 711kJ/kg.
Miscible with water, ethanol and a variety of organic solvents.
Use: 1,2-Propanediol can be used as the raw material of unsaturated polyester resin. In cosmetic, toothpaste and soap, it can be used with glycerin or sorbitol as wetting agent. In tint, it is used as humidifying and levelling agent. Also used as antifreeze. It can be used in cellophane, plasticizer and pharmaceutical industry.
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