Property:
Classification: Alcohol CAS No.: 57-55-6 Other Names: PG
MF: C3H8O2 EINECS No.: 200-338-0
Chemical name: Propylene Glycol; 1,2-propanediol
Molecular formula: C3H8O2
Relative molecular weight: 76.09
Relative density20/20g/cm3: 1.0351.039
Distillation range95%,vol: 184190
Appearance: Colorless transparent or primrose yellow liquid with special taste
Specification:
|
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
|
Application:
PG is the raw material for preparing unsaturated polyester resin, plasticizer,
surface active agent, emulsifying agent and demulsifying agent. It can also be
used as mould inhibitor, antiseptic for fruit, ice inhibitor and moisture preserving
agent for tobacco.
surface active agent, emulsifying agent and demulsifying agent. It can also be
used as mould inhibitor, antiseptic for fruit, ice inhibitor and moisture preserving
agent for tobacco.
Packaging Detail:
iron drums with zinc inside, 210+-/0.5kg/drun, Packed in TANK, ISO TANK or on the clients requirements .