Customization: | Available |
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CAS No.: | 57-55-6 |
Formula: | C3h8o2 |
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Mono Propylene Glycol / 1,2 propanediol
Structural formula:C3H8O2
Relative Molecular weight : 76.09
CAS No.: 57-55-6
Test | Unit of | Specifications | Test | |||
Description | Measure | Minimum | Maximum | Result | ||
Assay as PG on a dry basis | weight % | 99.5 | 99.75 | |||
Water | weight % | 0.2 | 0.09 | |||
Color, Pt-Co | APHA Color | 5 | 5 | |||
Specific Gravity @20/20ºC | - | 1.0340 | 1.0360 | 1.0350 | ||
Refractive Index @25C | - | 1.4310 | 1.4350 | 1.4330 | ||
Free acid, (CH3COOH) | weight ppm | 75 | 26 | |||
Residue on Ignition | weight ppm | 80 | 20 | |||
Distillation range (L), | degrees C | 184 | 189 | pass | ||
Distillation range (U), | degrees C | 184 | 189 | pass | ||
Distillation volume, Vol% | vol% | 95 | pass | |||
Iron,ppm | 0.5 | < 0.5 | ||||
***End of Test Data*** |
1) PG can be used in the production of anti-freezing agent.
2) The raw material of UPR (unpolyester polyester resin)
3) Cosmetic - PG could be used as humidor, emollient and solvent.
4) Pharmacy: PG can be used as the carrier of medicine and agent for particle medicine.
5) Food: PG is used as solvent of perfume and edible pigment,emollient in food packing,and anti-adhesive.
6) Solvent: PG is used as solvent in resin, detergent, painting, pesticide and dope industry, etc