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  • Propylene Glycol

Propylene Glycol

  • Molecular Formula:C3H8O2
  • CAS NO.: 57-55-6
  • INQUIRY

Propylene glycol,Other name1,2-propanediol, is an organic compound with the chemical formula of C3H8O2. It is miscible with water, ethanol and various organic solvents. Under normal conditions, it is colorless viscous liquid, almost tasteless and slightly sweet. Propylene glycol can be used as raw material of unsaturated polyester resin, and can be used as wetting agent with glycerol or sorbitol in cosmetics, toothpaste and soap. In hair dyes, it is used as moisture control, hair conditioner, antifreeze, cellophane, plasticizer and pharmaceutical industry.

Items

Standard

Result

Appearance

Colorless clear viscous liquid

Conformed

Assay as PG on a dry basis,%

99.8min

99.91

EG, ppm

50max

0

DEG,ppm

50max

0

Residue on ignition,mg

2.5max

0.8

Chloride,%

0.007max

<0.007

Sulfate,%

0.006max

<0.006

Heavy metals, ppm

5max

<5

Specific Gravity, 25

1.035-1.037

1.036

Acidity (0.1N NaOH),ml 

5 max

<1

Residue on Ignition, %

0.05max

0.03

Moisture,%

0.1max

0.056

Fe, ppm

0.1max

0

Color,Pt-Po

10max

<10

IBP,

184

184

DP,

189

189


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