Magnesium lactate is the magnesium salt of lactic acid, is a mineral supplement used as antioxidant and acidity regulator. Cas no. : 18917-93-6 E number : e329 Molar mass : 202.45 g/mol Formula : c6h10mgo6 Tests Specifications Reference Description White or almost white, crystalline or granular powder Ep/bp Solubility Slightly soluble in water, soluble in boiling water, practically insoluble in ethanol (96 %) Ep/bp Identification : Ep/bp A. Reaction of lactates Shall pass the test Ep/bp B. Reaction of magnesium Shall pass the test Ep/bp Appearance of solution Not more opalescent then reference suspension ii and not more intensely coloured than reference solution by6 Ep/bp Ph 6.5-8.5 Ep/bp Chlorides Max. 200 ppm Ep/bp Sulphates Max. 400 ppm Ep/bp Iron Max. 50 ppm Ep/bp Heavy metals Max. 20 ppm Ep/bp Loss on drying 14.0% - 17.0% Ep/bp Assay as c6h10mgo6 (on dried substance) 98.0% - 102.0%