1,2-Propanediol (PG)
Propylene Glycol Manufacturer & Bulk Supplier from China
Product Overview
1,2-Propanediol (PG), commonly known as Propylene Glycol, is a colorless, odorless, hygroscopic liquid widely used as a solvent, humectant, carrier, and antifreeze component across pharmaceutical, food, cosmetic, and industrial applications.
As a professional propylene glycol manufacturer and exporter in China, we supply USP/EP, Food Grade, and Industrial Grade PG with high purity, consistent quality, and reliable bulk supply, supported by complete export documentation for global buyers.

Key Applications
- Pharmaceuticals & Healthcare
Solvent and carrier for oral, topical, and injectable formulations - Food & Beverage
Approved food additive used as humectant, solvent, and stabilizer - Cosmetics & Personal Care
Moisturizer, solvent, and texture enhancer - Industrial Applications
Antifreeze, heat transfer fluids, resins, coatings, and inks
Technical Specifications
Basic Information
| Item | Specification |
|---|---|
| Product Name | 1,2-Propanediol |
| Synonym | Propylene Glycol (PG) |
| CAS No. | 57-55-6 |
| Molecular Formula | C₃H₈O₂ |
| Molecular Weight | 76.09 |
Typical Physical Properties
| Parameter | Specification |
|---|---|
| Purity | ≥ 99.5% |
| Appearance | Colorless, clear liquid |
| Odor | Practically odorless |
| Water Content | ≤ 0.2% |
| Density (20 °C) | 1.035–1.038 g/cm³ |
| Boiling Point | 188–189 °C |
| Flash Point | 99 °C (closed cup) |
Available Grades
- USP / EP Grade Propylene Glycol – pharmaceutical & healthcare use
- Food Grade Propylene Glycol – compliant with food regulations
- Industrial Grade Propylene Glycol – antifreeze & industrial formulations
Grade selection support is available based on application and destination market requirements.
Packaging & Logistics
- 215 kg steel drum
- 225 kg plastic drum
- IBC tank
- ISO tank (bulk shipment)
Customized packaging available upon request.
Compliance & Documentation
- Certificate of Analysis (COA)
- Safety Data Sheet (SDS, GHS compliant)
- USP / EP compliance documents
- REACH & RoHS support (upon request)
- Export HS code & shipping documents
Your Reliable Propylene Glycol Supply Partner
We serve pharmaceutical companies, food manufacturers, cosmetic brands, chemical distributors, and industrial users worldwide with consistent quality and dependable delivery.
Contact Us
Looking for a reliable Propylene Glycol (1,2-Propanediol) supplier in China?
👉 Request latest pricing, specifications, and COA/SDS
👉 Discuss bulk supply or long-term cooperation
