Magnesium Sulphate丨CAS 7487-88-9

Magnesium sulphate丨CAS 7487-88-9, is an inorganic salt composed of magnesium (Mg²⁺), sulfur (S), and oxygen (O), typically encountered in its heptahydrate form (MgSO₄·7H₂O), commonly known as Epsom salt. It is a white crystalline solid highly soluble in water and widely utilized in agriculture, medicine, industry, and laboratory applications due to its hydration properties, nutritional value, and chemical versatility.

1. Medical and Pharmaceutical Uses
● Laxative: Oral Magnesium sulphate丨CAS 7487-88-9 is used as a saline laxative to relieve occasional constipation.
● Electrolyte Supplement: Administered intravenously or orally to treat magnesium deficiency.
● Anticonvulsant: Used in the treatment of eclampsia and preeclampsia in pregnant women to prevent seizures.
● Cardiovascular Uses: Helps control certain types of arrhythmias, especially torsades de pointes.
● Bronchodilator: In emergency care, magnesium sulfate may be used in severe asthma attacks when standard treatments are ineffective.
● Topical Use: As a component in Epsom salt baths, it relieves muscle soreness, inflammation, and joint pain.
2. Agriculture and Horticulture
● An essential source of magnesium and sulfur, both vital plant nutrients.
● Used as a fertilizer additive to correct magnesium deficiency in crops like potatoes, tomatoes, citrus fruits, and roses.
● Promotes chlorophyll production, photosynthesis, and improves crop yield.
● Compatible with most soil types and commonly applied via foliar spray or soil incorporation.
3. Industrial Applications
● Used in the textile industry as a dye fixative.
● In paper manufacturing, acts as a binding agent and pH control agent.
● A component in fireproofing agents and ceramics.
● In construction, used to produce magnesium oxychloride cement and plaster.
4. Food Additive
● Registered under E number E518 as a firming agent, nutrient supplement, and processing aid.
● Added to brewing water to adjust hardness and flavor profile.
● Used in tofu production as a coagulant in some recipes.
5. Laboratory and Chemical Synthesis
● Acts as a drying agent for organic solvents in its anhydrous form.
● Used in buffer solutions, chemical analysis, and salt-out techniques in extraction procedures.
● Involved in biochemical studies requiring magnesium ions for enzyme activation.
6. Cosmetics and Personal Care
● Found in bath salts, exfoliating scrubs, and skin-soothing products due to its anti-inflammatory and hydrating effects.
● May help reduce acne, eczema, and muscle tightness when used topically.

1. Nutritional and Physiological Importance
● Magnesium plays a crucial role in over 300 enzymatic reactions, particularly in muscle and nerve function, energy production, and bone health.
● Sulfate supports detoxification and protein synthesis.
2. Wide Safety Margin
● Magnesium sulfate is generally non-toxic when used as directed and is widely approved for medical, food, and agricultural use.
● Its topical applications are safe and well-tolerated.
3. Multi-Functional Utility
● Functions as a fertilizer, medicine, chemical reagent, and industrial material - making it highly versatile.
● Readily available and cost-effective for large-scale use.
4. Eco-Friendly and Water-Soluble
● Highly soluble in water, making it environmentally friendly and easy to apply in agriculture and industry.
● Leaves minimal residue and does not accumulate in soil when properly used.

Magnesium sulphate丨CAS 7487-88-9 is a widely used, multifunctional compound with significant roles in medicine, agriculture, industry, and research. Its nutritional value, non-toxic profile, and broad compatibility make it an indispensable material in numerous sectors. Whether correcting magnesium deficiency in humans or soil, or aiding chemical synthesis, magnesium sulfate remains a reliable and valuable resource.