CAS No.: | 57-55-6 |
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Formula: | C3h8o2 |
EINECS: | 200-338-0 |
Classification: | 1, 2-Propylene Glycol |
Appearance: | Liquid |
Standard: | Food Grade, Industrial Grade, Reagent Grade |
Samples: |
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Customization: |
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Propylene glycol is also known as "1,2-propanediol", the chemical formula is CH3CHOHCH2OH, and the molecular weight is 76.10. There is a chiral carbon atom in the molecule. It is a kind of hygroscopic viscous liquid, slightly spicy. Its specific gravity is 1.036 (25/4 ° C), freezing point is - 59 ° C, boiling point is 188.2 ° C, respectively 83.2 ° C (1333 Pa).
Items | Standards |
Color(APHA) | 10 Max |
Moisture% | 0.2 Max |
Specific Gravity | 1.035-1.037 |
Refractive index | 1.4307-1.4317 |
Distillation range (L),ºC | 184-189 |
Distillation range (U),ºC | 184-189 |
Distillation volume | 95 |
Acidity | 0.20 Max |
Chloride % | 0.007 Max |
Sulfate % | 0.006 Max |
Heavy metals PPM | 5 Max |
Residue on ignition | 0.007 Max |
Assay % | 99.5 |
In cosmetics, toothpaste and soap, it can be used as a wetting agent in combination with glycerin or sorbitol. It is used in hair dyes as a moisture adjusting and hair homogenizing agent, as well as antifreeze, cellophane, plasticizer and pharmaceutical industry.
200kg/drum, also be packed according to customer's needs.
Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight.
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