Propylene glycol is miscible with water, ethanol and many organic solvents. Normally it is colorless and viscous, the liquid is almost odorless and smells a little sweet.
Propylene glycol can be used as a raw material for non-absorbent polyester resins, and can also be used together with glycerin or sorbitol as a humectant in cosmetics, toothpastes and soaps.
It is used as conditioner and hair conditioner in hair dyes, antifreeze, cellophane, plasticizer and pharmaceutical industry.
| Item | Specification |
| Assay as PG on a dry basis (weight %) | Min 99.5 |
| Water (weight %) | Max 0.2 |
| Color, Pt-Co (APHA Color) | Max 10 |
| Specific Gravity @25/25C | 1.0350-1.0370 |
| Refractive Index @25C | 1.4310-1.4320 |
| Acidity (ml 0.1N NaOH/10ml) | Max 0.05 |
| Chloride as Cl (weight %) | Max 0.007 |
| Sulfate (weight %) | Max 0.006 |
| Heavy Metals as Pb (weight ppm) | Max 5 |
| Residue on Ignition (weight ppm) | Max 70 |
| Arsenic as As (weight ppm) | Max 1 |
| Iron (weight ppm) | Max 0.5 |
| Ethylene Glyco (weight %) | Max 0.008 |
| Diethylene Glyco (weight %) | Max 0.008 |
| Organic Volatile Impurities | pass |
| Distillation range (L)(degrees C) | 184-189 |
| Distillation range (U)(degrees C) | 184-189 |
| Distillation volume(Vol%) | Min 85 |
PACKING: 25KG NET IN PAPER BAG
STORAGE AND TRANSPORT: IN DRY AND COOL NORMAL TEMPERATURE
SHELF LIFE: 2 YEARS
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