Specification :
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
CAS NO.: 57-55-6
Appearance: Colorless
Items
Units
Pharmaceutical Grade
Food Grade
First Grade
Qualified Grade
Purity
%
e99.8
e99.6
e99.5
e99.0
Water
%
d0.2
d0.2
Initial boiling point
182
180
Drying point
189
191
Distillation Range
184~ 189
183~ 190
183~ 190
182~ 190
Color( Pt-Co)
10
10
15
25
Ash
%
d0. 01
d0.01
d0.01
d0.02
Heavy MetalMeasured with Pb
ppm
6
6
Arsenic
ppm
5
5
sMeasured with Cl-
ppm
10
10
sMeasured with SO42-
ppm
10
10
Density
( 25) g/ cm3
1.037~ 1.039
Appearance
Colorless, transparent and sticky liquid
Uses: It is the main material for making unsaturated polyester resin, and also as the material for plasticizer, ter resin, and also as the material for plasticizer, surface, active agent, emulsifying agent and demulsifier.
Packing: In iron drums with zinc inside; 210± 0.5kg/ drun, Packed in TANK, ISO TANK or on the clients requirements.
Storage: store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture