MAGNESIUM HYDROXIDE BP
CAS 1309-42-8
Chemical Formula Mg(OH)₂
Molecular Weight 58.31 g/mol
Magnesium Hydroxide BP is a white, odorless powder or paste, commonly used in pharmaceutical and industrial applications.
It is an alkaline compound that is primarily used as an antacid and laxative in medicine. Magnesium Hydroxide is also used in water treatment, as a fire retardant, and in the production of other chemicals.
Industrial Uses
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Pharmaceutical Industry :
- Antacid: Used to relieve heartburn, indigestion, and upset stomach by neutralizing excess stomach acid.
- Laxative: Used as a gentle laxative to treat constipation by drawing water into the intestines to ease bowel movements.
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Water Treatment :
- Neutralizing Agent: Used in water treatment to neutralize acidic water and adjust pH levels.
- Wastewater Treatment: Applied in treating wastewater and removing heavy metals from industrial effluents.
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Industrial Applications :
- Flame Retardant: Used in the production of fire-resistant materials, particularly in plastics and rubber.
- Manufacturing of Chemicals: Used in the production of other chemicals such as magnesium salts.
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Cosmetic Industry :
- Skin Care Products: Added to some skin care formulations for its soothing and anti-inflammatory properties.
Specifications
| CAS No | 1309-42-8 |
|---|---|
| EC Number | 2215-170-3 |
| Appearance | White, odorless, fine powder or paste |
| Molecular Weight | 58.31 g/mol |
| Molecular Formula | Mg(OH)₂ |
| Solubility | Insoluble in water (slightly soluble in water to form a suspension) |
| Purity | ≥99.0% (BP Standard) |
| Odor | Odorless |
| Melting point | Decomposes above 350°C |
| Loss on Drying | ≤1.0% |
| Residue on Ignition | ≤0.5% |
| Heavy Metals | ≤10 ppm |
| pH (Solution) | 9.5–10.5 |