MAGNESIUM HYDROXIDE
CAS: 1309-42-8
Category: Inorganic Chemicals
| Purity | Industrial Grade ≥95%, Flame Retardant Grade ≥98%, Pharmaceutical Grade ≥99.0%, High-Purity Grade ≥9 |
| Molecular Formula | Mg(OH)2 |
| Molecular Weight | 58.32 |
| Appearance | White amorphous powder or fine crystalline powder, odorless and tasteless, insoluble in water |
| Packaging | 25 kg paper-plastic composite bag, 25 kg HDPE bag, 500 kg jumbo bag or 1000 kg bulk bag |
| Testing Indicators | Appearance — Visual inspection; Identification — X-ray diffraction (XRD) and FTIR spectroscopy; Assay — Acid-base titration (magnesium hydroxide content); Magnesium content — EDTA complexometric titration or ICP-OES; Calcium, iron and heavy metals — ICP-MS/ICP-OES; Loss on drying — Gravimetric method; Particle size distribution — Laser diffraction analysis; Specific surface area — BET method; Chloride content — Ion chromatography or titration; Purity analysis — Chemical assay according to USP/EP or industrial standards. |
| Storage Notes | Store in a cool, dry, and well-ventilated area. Keep containers tightly sealed to prevent moisture absorption and contamination. Avoid contact with strong acids and strong oxidizing agents. Protect from excessive humidity and direct sunlight. Store under normal ambient temperature conditions. |
| Lead Time | 10 days |
Magnesium hydroxide is an inorganic alkaline compound widely used as a flame retardant, smoke suppressant, acid neutralizer, wastewater treatment agent, pharmaceutical antacid ingredient, and magnesium source. It is commonly applied in polymer flame-retardant formulations, environmental protection processes, pharmaceutical preparations, food additives, and industrial chemical manufacturing.