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