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Product Name: Propylene Glycol
Chemical Formula: C₃H₈O₂
CAS Number: 57-55-6
Molecular Weight: 76.09 g/mol
Synonyms: 1,2-Propanediol, PG
| Property | Specification | Test Method |
|---|---|---|
| Appearance | Clear, colorless, hygroscopic liquid | Visual |
| Odor | Odorless or very slight characteristic | Organoleptic |
| Assay (Purity), % | ≥ 99.5% | GC / HPLC |
| Specific Gravity (25°C) | 1.035 – 1.040 | ASTM D891 |
| Refractive Index (20°C) | 1.431 – 1.435 | ASTM D1218 |
| Moisture Content (Water), % | ≤ 0.2% | Karl Fischer |
| Acidity (as acetic acid), % | ≤ 0.005% | USP Method |
| Chloride (Cl), ppm | ≤ 1.0 ppm | USP |
| Sulfate (SO₄), ppm | ≤ 5.0 ppm | USP |
| Iron (Fe), ppm | ≤ 0.5 ppm | USP |
| Heavy Metals (as Pb), ppm | ≤ 5 ppm | USP |
| Residue on Ignition | ≤ 0.01% | USP |
Pharmaceuticals and personal care products (USP grade)
Food and beverage additive (food grade)
Antifreeze, de-icing solutions (industrial grade)
Solvent in paints and coatings
Humectant and stabilizer
200 L Drum
1000 L IBC Tank
Bulk Tanker
Store in a cool, dry, and well-ventilated area.
Keep container tightly closed when not in use.
Hygroscopic – protect from moisture.
24 months from the date of manufacture under recommended storage conditions.
REACH Registered
GHS Classification: Not hazardous under normal conditions
Refer to the SDS for detailed safety and handling instructions.