Magnesium Valproate

Magnesium salt of Valproic Acid

Parameters Results
Name Magnesium Valproate
Quality Inhouse grade
IUPAC Name Magnesium bis(2-propylpentonate)
Molecular Formula C16H30MgO4
Molecular Weight 310.71 gm/mol
CAS Number 62959-43-7
Physical Appearance A White or almost white crystalline, hygroscopic powder
Solubility Very soluble in water, Slightly or freely soluble in alcohol
Identification by IR Complies Inhouse test
Identification by GC Complies Inhouse test
Reaction of Magnesium Solution gives reaction characteristics of Megnesium
Appearance of solution 20.0% solution is not more opalescent than reference suspension II and not more intensely coloured than reference solution Y6
pH 6.80 to 8.50
Free Acid NMT 1.0% w/w
Related substances by GC
Any individual impurity
Total impurities

Not more than 0.1%
Not more than 0.3%
Chlorides Not more than 200 ppm
Sulphates Not more than 200 ppm
Heavy Metals Not more than 20 ppm
Loss on Drying at 105℃ Not more than 4% w/w
Magnesium Content 7.20% to 8.20%
Assay (on dry basis) Between 97.5% to 101% w/w