Product Name: Magnesium Aspartate (Dihydrate) EP/BP
Product Formula: C8H12MgN2O8.2H2O
Molecular Weight: 324.5
CAS Number: 72231-13-1
1 Description White or almost white, crystalline powder or colourless crystals.
2 Solubility Freely soluble in water.
3 Identification :
A. Specific optical rotation (anhydrous substance) +20.5° to +23.0°
B. Thin-layer chromatography Shall pass the test
C. Reaction of magnesium Shall pass the test
4 Appearance of solution Clear and colorless5 pH 6.0 to 8.0
6 Specific optical rotation (anhydrous substance) +20.5° to +23.0°
7 Ninhydrin - positive substances Shall pass the test
8 Chloride Not more than 200 ppm
9 Sulfate Not more than 500 ppm
10 Ammonium Not more than 200 ppm
11 Iron Not more than 50 ppm
12 Heavy metals Not more than 10 ppm
13 Water 10.0% - 14.0%
14 Assay as C8H12MgN2O8 (On anhydrous substance) 98.0% - 102.0%
Storage: Store in a well-closed container at a temperature not exceeding 25℃, protected from direct sunlight and Moisture, unless otherwise specified.
Retest Period: 3 years from the date of manufacture.