| Product Name | Propylene Glycol (1,2-Propanediol, Methyl Glycol) |
| CAS No. | 57-55-6 |
| Molecular Formula | C₃H₈O₂ |
| Molecular Weight | 76.09 |
| Appearance | Clear, colorless viscous liquid |
| Main Grades | Pharmaceutical Grade (Purity ≥99.8%, USP/EP standard, for pharmaceutical excipients, injections); Food Grade (Purity ≥99.5%, FCC standard, for humectant and solvent in food); Industrial Grade (Purity ≥99.0%, for antifreeze, coatings, resins) |
| Key Specifications | Purity ≥99.8% (Pharma); Moisture ≤0.2%; Color (APHA) ≤10; Density 1.036-1.040 g/cm³ (20℃); Refractive index 1.431-1.433; Heavy metals ≤5 ppm; pH (5% solution) 6.0-8.0 |
| Physical Properties | Boiling point 188.2℃, melting point -59℃, flash point 99℃ (closed cup), hygroscopic, miscible with water, ethanol, acetone, and many other solvents |
| Features | Non-toxic, low irritation, excellent humectant, good solvent power, low volatility, low-temperature resistance, good chemical stability |
| Main Applications | Pharmaceutical/Cosmetics: Pharmaceutical excipients, injection solvent, topical ointments, skin care products, shampoos, toothpaste; Food: Humectant, carrier, emulsifier (bakery, beverages, condiments); Industrial: Antifreeze, de-icing fluid, coolant, unsaturated polyester resin raw material, coating additives, hydraulic fluid, e-liquid |
| Packaging | 200kg/drum, 1000kg/IBC tote, tank truck, flexitank |
| Storage Conditions | Cool, dry, keep sealed, away from fire, shelf life 24 months |
| Shipping Requirements | Non-hazardous cargo; protect from sun and rain; handle with care |
| Quality Standards | USP, EP, FCC, GB/T 2914; ISO, Kosher, Halal certifications available |
| Minimum Order Quantity | Standard 20-25 tons (1×20'FCL or tank truck); trial order 1-5 tons (drums) |
| Delivery Time | Standard 7-15 working days |
| Payment Terms | T/T (30% deposit, 70% against B/L copy), L/C at sight |
| HS Code | 29053200 (Propylene glycol) |
