Propylene Glycol

Propylene Glycol tech grade

Structural formula:C3H8O2
Specification:
Relative Molecular weight : 76.09
CAS No.: 57-55-6
Quality indexes:

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

Packing:In 215kgs galvanized iron drums,17.2tons/20’fcl.

       In flexitank, 22tons/20’fcl.

       In IBC drums, 20tons/20’fcl.

       In ISO tank, 23.6tons/20’fcl.

Other packing: According to the client’s requirement.

Application of propylene glycol tech grade:

Anti-freezen: PG is one of the most important raw material of antifreeze.

Solvent: PG is used as solvent in resin, detergent, painting, pesticide and dope industry, etc

Propylene Glycol pharma grade

Specification:
Relative Molecular weight: 76.09
CAS No.: 57-55-6
Quality indexes:

Item
Index
Color Tone (APHA)
10 max
Water,%
0.2 max
Specific gravity (20/25 °C)
1.0350~1.0410
Refractive index(25°C)
1.4307~1.4317
Distillation range (L), °C
184.0~189.0
Distillation range (U),°C
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

Packing:In 215kgs galvanized iron drums,17.2tons/20’fcl.

       In flexitank, 22tons/20’fcl.

       In IBC drums, 20tons/20’fcl.

       In ISO tank, 23.6tons/20’fcl.

Other packing: According to the client’s requirement.

Application of propylene glycol pharma grade:

Cosmetic: PG could be used as humidor, emollient and solvent in cosmetic and industry.

Pharmacy: PG is used as the carrier of medicine and agent for particle medicine.

Food: PG is used as solvent of perfume and edible pigment,emollient in food packing,and anti-adhesive.

Tobacco: Propylene glycol is used as tobacco flavor, lubricated solvent,and preservative.




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