| CAS No.: | 57-55-6 |
|---|---|
| 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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