Magnesium stearate is an organic compound with a chemical formula of C36H70MgO4 and a molecular weight of 591.24. The following is a detailed description of magnesium stearate:

basic nature of 1.

Appearance and properties: magnesium stearate is a white sand-free fine powder, slightly smelly, and skin contact with a smooth feeling.

Solubility: Insoluble in water, ethanol or ether, but soluble in hot alcohol.

Physical parameters: melting point is 200 ℃, boiling point is 359.4 ℃, density is 1.028g/cm³.

Main purpose of 2.

Magnesium stearate is widely used in many fields, including:

Medical field:

Lubricant: Used as a lubricant in tablets, capsules and powders to increase the lubricity of the tablets and make it easier for the tablets to pass through the esophagus into the stomach.

Glidant: Used as a glidant in direct compression to help the drug particles flow smoothly and improve the efficiency of compression.

Anti-adhesive: to prevent drug particles in the tableting process adhesion, improve the yield of tablets.

Other: can also be used as a filter aid, clarifier and drop foam, as well as liquid formulations of suspending agent, thickening agent.

Food field: as a food additive, used to improve the taste and texture of food.

Cosmetics field: used in powder cosmetics to increase the viscosity and lubricity of the product.

Industrial field: As a stabilizer for plastic products, a catalyst for paint and a light agent.

3. Safety and Precautions

Safety: Magnesium stearate is considered to be relatively safe in medicine, but it is still necessary to pay attention to its potential risks when used.

Note:

Overdose: Excessive use of magnesium stearate may cause nausea, vomiting, diarrhea and other symptoms, and may even damage the immune system.

Reaction with strong acid: magnesium stearate in the case of strong acid will be decomposed into magnesium salt and stearic acid, may affect human health, and even cause poisoning.

Skin contact: Magnesium stearate easily adheres to the skin, so you should protect the skin and avoid prolonged contact when using it.

Drug interactions: There may be interactions between magnesium stearate and certain drugs, so when using drugs containing magnesium stearate, you should consult your doctor or pharmacist for advice.

4. preparation method

The preparation method of magnesium stearate mainly includes double decomposition method and neutralization method. Among them, the double decomposition method is to react sodium stearate with magnesium sulfate to produce magnesium stearate; the neutralization law is to react stearic acid with sodium hydroxide to produce sodium stearate, and then react with magnesium chloride to produce magnesium stearate.

In summary, magnesium stearate is a multifunctional organic compound, which is widely used in many fields such as medicine, food, cosmetics and industry. However, it is necessary to pay attention to its potential risks and precautions when using it to ensure its safe and effective performance.