Magnesium hydroxide

Magnesium hydroxide

Milk of magnesia (suspension form); Magnesium dihydroxide; Magnesia hydrate

CAS 1309-42-8

Chemical Formula Mg(OH)₂

Molecular Weight 58.32 g/mol

Magnesium hydroxide is a white, odorless, fine powder commonly used as an antacid and laxative in pharmaceuticals. It is also widely used in industrial applications such as flame retardants, wastewater treatment, and as a filler material in plastics and rubber due to its non-toxic and environmentally friendly nature.

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Industrial Uses

1. Pharmaceuticals

  • Antacid: Widely used to neutralize stomach acid and relieve indigestion, heartburn, and upset stomach.
  • Laxative: Acts as an osmotic laxative (commonly known as ""milk of magnesia"") to treat constipation.
  • Tablet Excipient: Used as a filler or diluent in tablet formulations.

2. Performance Chemicals

  • Precursor for Magnesium Compounds: Used to produce magnesium salts and other magnesium-based compounds.
  • Neutralizing Agent: Acts as a mild alkali for pH control in chemical reactions.

3. Construction

  • Fire Retardant in Building Materials: Used in plastic composites and insulation panels to reduce flammability.
  • Cement Additive: Improves durability and resistance to sulfate attack when used in cement blends.

4. Agrochemicals

  • Soil Conditioner: Helps neutralize acidic soils by increasing soil pH.
  • Magnesium Supplement in Fertilizers: Provides essential magnesium nutrient for plant growth.

5. Paints, Coatings & Adhesives

  • Flame Retardant Filler: Used in formulations of adhesives and sealants to improve fire resistance.
  • Smoke Suppressant: Minimizes smoke generation in polymer-based adhesives when exposed to heat.

6. Water Treatment

  • Flue Gas Desulfurization: Used to remove sulfur dioxide (SO₂) from industrial emissions.
  • Wastewater Neutralization: Adjusts pH and removes heavy metals from industrial effluents.

Specifications

Assay Typically ≥ 95% (depends on grade)
Appearance White, odorless powder
Odor Odorless
Boiling Point Decomposes before boiling
Melting Point ~350 °C (decomposes)
Density ~2.36 g/cm³
Solubility Slightly soluble in water (0.009 g/100 mL at 25 °C); insoluble in ethanol
Viscosity Not applicable (solid); suspension varies
Flash Point Not applicable (non-flammable solid)

FAQs

1. What is the current price of Magnesium hydroxide in India?
The price of Magnesium hydroxide can vary based on factors such as purity, quantity, etc. For the most accurate and competitive pricing, please contact us at +91.6301 00 6301 directly for a customized quote tailored to your needs.

2. Where can I buy Magnesium hydroxide in India?
You can purchase Magnesium hydroxide from MULTICHEM, a leading exporter with a reputation for quality and reliability. We provide convenient options for bulk orders and direct shipments across global markets. For more details on how to place an order, please visit our website or contact our sales team.

3. What is the minimum order quantity (MOQ) for Magnesium hydroxide?
Our minimum order quantity (MOQ) for Magnesium hydroxide is designed to cater to both small-scale and large-scale needs. The MOQ depends on the packing size of the product which could range from 25 kg to 250kg.

4. How can I ensure the quality of Magnesium hydroxide supplied by Multichem?
We adhere to stringent quality control processes to ensure that our products meet the highest standards of purity and effectiveness. They undergo rigorous testing and quality checks to guarantee that they comply with industry specifications. We provide a Certificate of Analysis (CoA) with every shipment to ensure transparency and quality assurance.