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Magnesium sulfate is a magnesium-containing compound with a molecular formula of MgSO4. It is a commonly used chemical reagent and drying reagent. It is a colorless or white crystal or powder, odorless, bitter, and deliquescent. Clinically used for catharsis, choleretic, anticonvulsant, eclampsia, tetanus, hypertension and other diseases. It can also be used for leather making, explosives, paper making, porcelain, fertilizer, etc.

Chinese name: 硫酸鎂, foreign name: magnesium sulphate, alias: 瀉鹽，硫苦、苦鹽、瀉利鹽 

Chemical formula: MgSO4, molecular weight: 120.37, CAS accession number: 7487-88-9, EINECS accession number: 231-298-2

 Melting point: 1124 ℃, water solubility: 25.5 g/100 mL (20 °C), density: 2.66 g/cm3, appearance: white crystalline powder

Physical properties

Solubility: easily soluble in water, slightly soluble in ethanol, glycerin, ether, and insoluble in acetone.  

Chemical nature

Stability: Anhydrous magnesium sulfate is easy to absorb water, and magnesium sulfate heptahydrate is easy to dehydration

Toxicity: low toxicity

Irritation: This product may cause stomach pain, vomiting, watery diarrhea, collapse, dyspnea, cyanosis, etc.