Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Product Overview
Magnesium hydroxide (CAS 1309-42-8) is an inorganic alkaline compound. It appears as white amorphous powder with no odor. Featuring weak alkalinity, good flame retardancy, high thermal stability and excellent adsorption capacity, it is widely used as flame retardant, acid neutralizer, pharmaceutical raw material and environmental protection reagent. Our product is produced by advanced synthesis and purification technology, with high purity, uniform particle size and stable batch consistency. For legitimate industrial production, formulation and scientific research only.
Product Features
- High Purity: Available in multiple grades, purity ≥98.0%, impurities strictly controlled.
- Effective Flame Retardant: Releases water upon heating to dilute flammable gas and suppress combustion smoke.
- Weak Alkalinity: Mild neutralizing performance, low corrosion and high safety.
- Good Adsorption: Capable of adsorbing harmful substances and heavy metal ions in water and waste gas.
- Thermal Stability: Decomposes at high temperature with stable physical and chemical properties under normal conditions.
- Strict Quality Control: Each batch is fully tested; standard COA and relevant documents can be provided.
Physical & Chemical Properties
Physical Properties
- Appearance: White amorphous fine powder
- Odor: Odorless
- Melting Point: 350 °C (decomposition)
- Density: 2.36 g/cm3 (25 °C)
- Bulk Density: 0.35 – 0.60 g/cm3
- pH Value (Suspension): 9.0 – 10.5
- Solubility: Practically insoluble in water and ethanol; soluble in dilute acids
- Hygroscopicity: Slightly hygroscopic
Chemical Properties
- Chemical Stability: Stable in sealed, cool and dry environment at room temperature.
- Acid-Base Character: Weak inorganic base, neutralizes acids to form magnesium salts.
- Reactivity: Reacts readily with strong acids; decomposes into magnesium oxide and water above 350 °C.
- Thermal Stability: Maintains stable structure below 300 °C.
- Incompatibility: Avoid long-term contact with strong acids and ammonium salts.
Applications
- Flame Retardant Industry: Environment-friendly inorganic flame retardant for plastics, rubber, coatings and cables.
- Environmental Protection: Acid neutralizer for industrial wastewater and flue gas desulfurization agent.
- Pharmaceutical Industry: Antacid raw material for relieving hyperacidity and gastric discomfort.
- Building Materials: Additive for fireproof materials and thermal insulation products.
- Chemical Industry: Raw material for manufacturing magnesium salts and other magnesium compounds.
- Laboratory Research: Common inorganic reagent for chemical experiments and analytical work.
Usage Restriction: For industrial manufacturing, pharmaceutical production and scientific research use only. Strictly forbidden for illegal processing and improper application.
Storage & Transportation Instructions
Storage Conditions: Store in a cool, dry and well-ventilated warehouse. Keep container tightly sealed to prevent moisture absorption and caking. Keep away from direct sunlight, heat sources and strong acids. Recommended storage temperature: 10 – 25 °C.
Transportation Requirements: Transport as general inorganic chemical goods. Avoid violent collision, extrusion and rain soaking. Do not transport together with strong acids, corrosive substances and toxic goods.
Operation Notes: Wear dust-proof gloves and protective masks during operation. Avoid long-term inhalation of powder and direct skin contact. Keep the working environment well ventilated.
Regulatory Information
This product complies with industrial and pharmaceutical grade standards. Domestic sales and cross-border export shall comply with local chemical supervision regulations. All transactions are limited to legitimate industrial enterprises, pharmaceutical manufacturers and research institutions.
Full Product Parameter Table
| Item | Specification & Details |
| Product Name | Magnesium hydroxide |
| CAS NO. | 1309-42-8 |
| IUPAC Name | Magnesium dihydroxide |
| Synonyms | Magnesium hydrate; Milk of magnesia |
| Molecular Formula | Mg(OH)2 |
| Molecular Weight | 58.32 |
| EINECS Number | 215-170-3 |
| UN Number | Non-dangerous goods |
| Appearance | White amorphous fine powder |
| Purity | ≥98.0% (customizable) |
| Melting Point | 350 °C (Decomposition) |
| Density | 2.36 g/cm3 (25 °C) |
| Bulk Density | 0.35 – 0.60 g/cm3 |
| pH Value | 9.0 – 10.5 (aqueous suspension) |
| Solubility | Insoluble in water and ethanol; soluble in dilute acids |
| HS Code | 2816100000 |
| Storage Temperature | 10 – 25 °C, sealed, dry & dark environment |
| Packing Specification | 1kg/aluminum foil bag, 25kg/fiber drum (Inner PE bag) |
| Grade Standard | Industrial Grade / Flame Retardant Grade / Pharma Grade / Research Grade |
| Application Scope | Inorganic flame retardant, acid neutralizer, pharmaceutical antacid, magnesium salt raw material |
| Validity Period | 24 Months under specified storage conditions |
