Propylene Glycol supplier
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luna@speedgainpharma.com
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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