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1. Magnesium sulfate，is a compound containing magnesium, molecular formula is MgSO4, is a common chemical reagent and drying reagent, colorless or white crystal or powder, odorless, bitter taste, deliquescent.It is clinically used for diarrhea, gallbladder, anti-convulsion, eclampsia, tetanus, hypertension and other diseases.It can also be used for tanning, explosives, paper making, porcelain, fertilizer and so on.
2. Physical properties：Solubility: Easily soluble in water, slightly soluble in ethanol, glycerol, ether, insoluble in acetone.
3. Chemical properties：Stability: Anhydrous magnesium sulfate is easy to absorb water, magnesium sulfate heptahydrate is easy to dehydrate;
Toxicity: Low toxicity;
Toxicological data: mice subcutaneous: LD50 645 mg/kg (mouse subcutaneous);Mouse abdominal cavity: 670-733mg/kg;
Irrigation: may cause stomachache, vomiting, watery diarrhea, collapse, dyspnea, cyanosis, etc.