Product Details
| Product Name: Propylene glycol | CAS No.: 57-55-6 |
| EC-No.: 200-338-0 | Min. Order: 1KG |
| Purity: 99% | Supply Ability: 10 ton |
| Release date: 2026/05/28 | |
| keyword 1: Propylene Glycol supplier | key word2: Propylene Glycol seller |
Product Name: Propylene glycol
Synonyms: 1,2-Propanediol; Propane-1,2-diol
CAS No: 57-55-6
EINECS/ELINCS: 200-338-0
Molecular Formula: C3H8O2
Molecular Weight: 76.09
Specification:
| Test Items | Specification |
| Content | 99.5 % min |
| Color (Pt-Co) | 10 max |
| Density (20°C) | 1.035~1.037g/ml |
| Refractive Index (20°C) | 1.431~1.432 |
| Distillation range (L) | 184.0-189.0 °C |
| Distillation range (U) | 184.0-189.0 °C |
| Distillation volume | 95% min |
| Organic volatile impurities | pass |
| Moisture | 0.2 % max |
| Chloride (as Cl) | 0.007% max |
| Sulfate | 0.006% max |
| Heavy metals (as Pb) | 5ppm max |
| Residue on ignition | 0.007% max |
| Arsenic (as As) | 1ppm max |
| Iron | 0.5% max |
| Acidity (as CHCOOH) | 0.05% max |
| Ethylene glycol | 0.008% max |
| Diethylene glycol | 0.008% max |
Application
Propylene glycol is used in the plastics industry for the manufacture of polyester fibers and alkyd resins. It is used as a main ingredient in automobile antifreeze and engine-cooling liquids and in brake and hydraulic fluids. It is used in the preparation of body-care surfactants. Propylene glycol pharm. grade is used as a non-toxic antifreeze in breweries and dairies. It is used as a humectant in foods and cosmetics. It is used as a solvent for coloring or flavoring agents as well as in many oral, injectable or topical pharmaceuticals. Its antibacterial property is applied in the preparation of sanitizing lotions.
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