What is Magnesium Hydroxide (Mg(OH)₂) Micron Powder?

Magnesium hydroxide (Mg(OH)₂) micron powder is a finely milled inorganic compound composed of magnesium and hydroxide ions. It appears as a white, odorless powder, widely recognized for its flame-retardant properties, chemical stability, and environmental friendliness.

Chemical Properties and CAS Number

• Chemical Formula: Mg(OH)₂
• CAS Number: 1309-42-8
• Appearance: White, odorless powder
• Solubility: Slightly soluble in water, soluble in acids
• Thermal Stability: Decomposes at approximately 350°C, releasing water vapor
• pH Value: Alkaline (approximately 10.5)

Applications of Magnesium Hydroxide Micron Powder

1. Flame Retardants

Commonly used as a flame retardant additive in plastics, rubber, and polymer composites, reducing flammability by releasing water vapor and diluting combustible gases.

2. Pharmaceuticals and Healthcare

Utilized in antacids, laxatives, and pharmaceutical formulations to neutralize stomach acid and relieve indigestion and constipation symptoms.

3. Environmental Applications

Applied in wastewater treatment, neutralizing acidic wastewater and aiding in heavy metal precipitation and removal.

4. Construction Industry

Employed in cement formulations, adhesives, and coatings for its fire-resistant and stability-enhancing properties.

5. Agriculture

Used in fertilizers and soil amendments, providing magnesium as an essential nutrient and regulating soil pH.

6. Industrial Coatings and Paints

Added to coatings and paints for corrosion resistance, fire retardancy, and improved mechanical strength.

Pricing of Magnesium Hydroxide Micron Powder

The price of magnesium hydroxide micron powder varies depending on purity, particle size, and order quantity:

• Industrial Grade: Approximately $300 – $800 per metric ton, widely used in bulk industrial applications.
• Pharmaceutical Grade: Typically ranges from $1,000 – $3,500 per metric ton, adhering to higher purity and regulatory standards.

Factors Influencing Magnesium Hydroxide Prices

• Particle size and micronization level
• Purity and impurity levels
• Intended application and regulatory requirements
• Bulk purchase quantities and custom specifications

Conclusion

Magnesium hydroxide micron powder (Mg(OH)₂) is valued for its multifunctionality, ranging from flame retardancy and environmental remediation to healthcare and construction industries. Due to its chemical stability, eco-friendly characteristics, and broad application spectrum, it is increasingly favored as a versatile additive. Pricing is influenced by purity, particle size, and intended use, making it adaptable for diverse industry needs.