Glycerine USP Grade

Glycerine

Glycerine Uses

Refined USP Grade Glycerine has a minimum purity 99 %. It is mostly used in animal feed and various industrial applications such as Dust Control, Antifreeze, ECH Production, Alkyd Resins, etc.

Glycerine Properties

Glycerin is colorless or pale yellow liquid; odorless and syrupy; sweet and warm taste. It is hygroscopic and its solutions are neutral. Miscible with water and alcohol. Insoluble in chloroform, ether and in volatile oils.

Glycerin USP Grade
Test Parameters Obtained Limit
Assay (by Titration) 99.70% (by Weight) 99.7% (minimum)
Ash 0.0079 % NMT 0.01 %
Moisture content 2.62 % NMT 5.0 %
Chlorides Less than 10 ppm NMT 10 ppm
Glycerol content 98.0 min
Water 2.0 Max
Spgr 1.26@ 25 c
Color The Color is not darker than
the color of standard made
by diluting 0.40 ml of ferric
chlorides with water to 50 ml
The Color is not darker than
the color of standard made
by diluting 0.40 ml of ferric
chlorides with water to 50 ml
Specific gravity 1.265 g/ml NLT 1.249 g/ml
Sulphate Less than 20 ppm NMT 20 ppm
Heavy metals Less than 5 ppm NMT 5 ppm
Chlorinated comp. Less than 30 ppm NMT 30 ppm
Fatty acid & ester 0.6 ml of 0.5N NaOH is used NMT 1 ml of 0.5 N NaOH is consumed
pH 5.06
Limit of ethylene glycol and diethylene (by GC)
Ethylene glycol Not Detected NMT 0.1 %
Diethylene glycol Not Detected NMT 0.1 %
Organic impurities (by GC)
Individual impurity 0.07 % NMT 0.1 %
Total impurities 0.08 % NMT 1.0 %