Tests

Standards

Description

White waxy solids, plates or granular powder; Odour,
slightly characteristic
Freely soluble in water or ethanol, insoluble in ether

Congealing point℃

41-46

Viscosity (40℃,mm²/s)

3.0-4.0

Identification

Should comply with the standards

Average molecular weight

1350-1650

pH

4.0-7.0

Clarity and color of solution

Should comply with the standards

Ethylene Glycol, Diglycol and
Triethylene glycol

Each not more than 0.1%

Ethylene oxide and Dioxane

Ethylene oxide not more than 0.0001%

Dioxane not more than 0.001%

Formaldehyde

Not more than 0.003%

Water

Not more than 1.0%

Residue on ignition

Not more than 0.1%

Heavy metals

Not more than 0.0005%

Microbial limit

Total Aerobic Microbial Count

Total Yeasts and Molds Count

Escherichia coli should be absent

The sample is qualified with the requirements of C.P. 2015