Propylene Glycol (PG) – USP Grade
Propylene Glycol is an organic compound, it is a viscous, colourless, nearly odourless liquid with faintly sweet taste. It is miscible with a broad range of solvents like water, acetone and chloroform. Propylene Glycol (PG)- USP Grade meets the requirement of United State Pharmacopoeia.
- Other Names
- Methylethyl glycol, methylethylene glycol, isopropylene glycol, monopropylene glycol, 1,2-dihydroxypropane
- Chemical Formula
- C3H8O2
- CAS No
- 57-55-6
- Molar Mass
- 76.095 g/mol
| TEST | RESULT |
|---|---|
| Appearance | Clear, Colourless, Viscous Liquid |
| Assay | 99.5 % - min |
| Heavy Metals | 5 ppm - max |
| Boiling Point | 184 - 189°C |
| Specific Gravity At 25°C | 1.035 - 1.038 |
| Water | 0.2 % - max |
| Sulphate | 0.006 % - max |
| Chloride | 0.007 % - max |
| Residue On Ignition | 0.007 % - max |
Applications:
Used as a solvent for flavours, extracts, drug and food anti-oxidants, a heat transfer medium, an emollient and humectants and plasticizers for tobacco products, baked foods, coconut, adhesives and paper products.
Used as a solvent in the extraction of crude drugs.
As an inhibitor of fermentation and mold growth. Used as an intermediary raw material for resins.
Used in chemical, food, and pharmaceutical industries as an antifreeze when leakage might lead to contact with food. Propylene glycol is also used to make polyester compounds, and as a base for deciding solutions.
Propylene glycol is also used in various edible items such as coffee-based drinks, liquid sweeteners, ice cream, soda, etc. It is also widely used in cosmetic industries.
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