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.
Prve: HEMC
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