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Propylene glycol CAS 57-55-6

Propylene glycol CAS 57-55-6(3)
Propylene glycol CAS 57-55-6(1)
Propylene glycol CAS 57-55-6(2)
Propylene glycol CAS 57-55-6(3)
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Propylene glycol Quick Detail:
  • English name: Propylene glycol / propane-1,2-diol
  • CAS Number: 57-55-6
  • Molecular Formula:C3H8O2
  • Molecular Weight: 76.09
  • EINECS Number: 200-338-0
  • Appearance:  Transparent Liquid
  • Assay: 99% & 99.8%
  • Grade: industrial grade / pharmaceutical grade
Propylene glycol  Specification:
Industrial grade
Item Index
Color, APHA Max. 10
Content% Min. 99.0
Moisture% Max. 0.2
Specific Gravity (20/20) 1.035-1.039
Free acid,(CH3OOH),ppm Max. 75
Residue, ppm Max. 80
Distillation range>95% 184-190
Index of refraction 1.433-1.435
 pharmaceutical grade
Item Index
Color Tone (APHA) 10 max
Water,% 0.2 max
Specific gravity (20/25℃) 1.0350~1.0410
Refractive index(25℃) 1.4307~1.4317
Distillation range (L), ℃ 184.0~189.0
Distillation range (U),℃ 184.0~189.0
Distillation volume, Vol% 95 min
Identification passed
Acidity, ml 0.20 max
Chloride, % 0.007 max
Sulfate, % 0.006 max
Heavy metals, ppm 5 max
Residue on ignition, % 0.07 max
Organic Volatile impurity Chloroform, μg/g 60 max
Organic Volatile impurity 1.4 dioxane, μg/g 380 max
Organic Voltile impurity methylene chloride,μg/g 600 max
Organic Voltile impurity trichloroethylene, μg/g 80max
Assay, GLC% 99.5 min
Propylene Glycol Application:

Industrial Grade:

  • Most important raw material of antifreeze.
  • Used as solvent in resin, detergent, painting, pesticide and dope industry, etc

pharma grade:

  • Used as humidor, emollient and solvent in cosmetic and industry.
  • Used as the carrier of medicine and agent for particle medicine.
  • Used as solvent of perfume and edible pigment, emollient in food packing, and anti-adhesive.
  • Used as tobacco flavor, lubricated solvent, and preservative.
Propylene glycol Package:
  •  215kgs galvanized iron drums  or according to your requirement

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