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Propylene Glycol
Propylene Glycol PG CAS 57-55-6
  • CAS:

  • Molecular Formula:

  • Quality Standard:

    Pharma (USP); Technical
  • Packing:

    215kg/drum 80 drums/20
  • Mininmum Order:

  • Price inquiry:

  • Manufacturer:

    TNJ Chemical

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  • Product Details

Propylene glycol PG USP grade CAS 57-55-6 , also called propane-1,2-diol, is an organic compound with the chemical formula C3H8O2. It is a viscous colorless liquid which is nearly odorless but possesses a faintly sweet taste. Chemically it is classed as a diol and is miscible with a broad range of solvents, including water, acetone, and chloroform.

Propylene glycol is colorless liquid with steady viscosity and good water absorption.It is nearly odorless,uninflammable and almost nontoxic. It can be mixed and solved with alcohol,water and various organic agents.



 Item                                 USP grade                Tech grade    
 Content, %min.  99.50%min.  99.0%min.
 Moisture  0.20%max.  0.20%max.
 Density  1.035-1.041  1.035-1.041
 Refractive index (25°C)  1.431-1.435  1.426-1.435
 Distillation range IBP   184.0°C min.  183.0 °C 
 Alkalinity  0.0020%max.  0.01%max.
 Chloride  0.007%max.  --
 Sulphate  0.006%max.  --
 Heavy metal   5ppm max.  --
 Residue on ignition  0.007%max  --
 Oxidizing substance  Not detected  --
 Reducing matter  Not detected  --
 Organic volatile matter-chloroform  60 ppm max  --
 Organic volatile matter-dioxane  380 ppm max  --
 Organic volatile matter-methylene chloride  600 ppm max  --
 Organic volatile matter-trichloroethylene  80 ppm max  --
 Color (Pt-Co)  10 max  16 max
 IR Test  Complies with USP  --



Industrial grade
1) Unsaturated Polyester Resins
2) Engine Coolants and Antifreeze
3) Hydraulic and Brake Fluid
4) Aircraft Deicing Fluid
5) Heat Transfer Fluids
6) Paint and Coatings

7) Liquid Detergents

Pharmaceutical grade (USP)
1) Flavors and Fragrance
2) Comestics and Personal Care
3) Food and Flavorings
4) Pet Food and Animal Feed
5) Pharmaceutical Excipient
6) Tobacoo Moisturizing Agent



215kg/steel drum or plastic drum, 80 drums=17.2mt/20GP


Tightly closed to prevent from leaking, avoid rain and sunlight, far from fire and heat source.  Stored in cool and ventilating places.

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