Magnesium Sulfate, 7H2O
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 to
make 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 (Chinese Pharmacopoeia 2010)
Item | Index |
MgSO4·7H2O% | ≥99. 50 |
Cl % | ≤0. 01 |
Pb % | ≤0. 001 |
Fe % | ≤0. 0015 |
As % | ≤0. 0002 |
Ca % | ≤0. 02 |
Zn % | Qualified |
Loss on ignition % | 48. 0-52.0 |
Ph | 5-8 |
Clarity | Clarify |
