We are offering magnesium sulfate heptahydrate (pharma grade). magnesium sulfate, heptahydratemagnesium sulfate, also known as epsom salt, formula: mgso47h2o, molecular weight: 246.47cas no.:10034-99-8;hs code: 28332100. magnesium sulfate is made of natural magnetite and sulfuric acid. It is white or transparent odorless crystal, bitter. It is easy to dissolve in water but a. Little in alcohol. In dry air, it is easy to turn to powder. It loses crystal water and turns to magnesium sulfate anhydrous while heating. It can be used for agriculture, industry, food, feed, medicine etc. application of magnesium sulfate heptahydrate mainly used in fertilizer, feed, food, medicine, industry etc. In fertilizer industry, it can be used tomake magnesium fertilizer and other compound fertilizers. In food industry, it can be used for lactic, monosodium glutamate, beverage, fresh yeast, magnesium salts etc. In pharmaceutical industry, it can be used to make cathartic, antiepileptic, magnesium trisilicate, meleumycin, acetyli-spiramycin and inosine etc. In industry, it can be used for leather-making, printing and dyeing, papermaking, porcelain, glass, abs resin, fire-proof materials; in chemical industry, it. Can be used to produce magnesium stearate, phosphoric acid magnesium salt, magnesium oxide etc. pharma standard (cameroon pharmacopoeia 2010).