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.
1. Basic Product Profile
- Full IUPAC Name: Magnesium dichloride
- Aliases: Anhydrous Magnesium Chloride, MgCl?
- CAS Number: 7786-30-3
- EINECS: 232-094-6
- Molecular Formula: MgCl?
- Molecular Weight: 95.21
- Chemical Classification: Inorganic Magnesium Salt, Basic Inorganic Chemical Raw Material
- Core Advantages
High purity anhydrous ionic salt with strong water absorption capacity, fully soluble in water and short-chain alcohols. Multiple grades including industrial, food and pharmaceutical standards. Widely used in metal magnesium electrolysis, food coagulant, nutritional magnesium supplement, electrolyte raw material, road deicer and building material additives.
2. Physical & Chemical Properties
2.1 Physical Index
- Appearance: White crystalline powder / flakes / granules
- Odor: Odorless
- Solubility: Freely soluble in water, ethanol; slightly soluble in methanol; insoluble in non-polar hydrocarbons
- Melting Point: 714 °C
- Boiling Point: 1412 °C
- Hygroscopy: Extremely hygroscopic, readily absorbs atmospheric moisture to form hexahydrate MgCl?·6H?O
- Aqueous Solution Property: Weakly acidic solution
2.2 Chemical Properties
- Ionic Dissociation: Fully ionizes into Mg2? and Cl? ions after dissolution in water
- Hydration Behavior: Spontaneously combines with water molecules to form crystalline hydrates
- Thermal Stability: Stable at high temperature; only volatilizes at boiling point without decomposition
- Alkali Reaction: Reacts with strong alkali to generate magnesium hydroxide precipitate
- Compatibility: Compatible with most neutral inorganic salts; incompatible with strong alkalis, carbonates and phosphates
3. Main Application Fields
3.1 Metallurgical Raw Material (Core Application)
Key feedstock for electrolytic production of metallic magnesium; flux for aluminum alloy smelting to lower melting point and remove oxide impurities.
3.2 Food Industry Additive
Coagulant for tofu and soybean products; magnesium nutritional fortifier for drinks, snacks and dietary supplements, complies with FCC specifications.
3.3 Pharmaceutical Excipient
Magnesium source for oral electrolyte supplements; raw material for injection electrolyte formulations, meets USP/EP standards.
3.4 General Industrial Uses
Road snow melting & dust suppression agent, fire retardant, cement curing accelerator, water treatment flocculant.
4. Quality Specification Table
| Test Item | Standard Index |
| CAS No. | 7786-30-3 |
| Molecular Formula | MgCl? |
| Molecular Weight | 95.21 |
| Appearance | White crystalline flakes/powder/granules |
| Assay | Industrial ≥99.0%; Food ≥99.5%; Pharma ≥99.8% |
| Water Insoluble Substances | ≤0.10% |
| Heavy Metals (Pb) | ≤10 ppm (Food & Pharma Grade) |
| Moisture Content | ≤0.50% (Anhydrous Grade) |
| Bulk Package | 25kg woven bag with inner PE liner |
| Sample Package | 1kg / 5kg sealed moisture-proof plastic bag |
| Storage Requirements | Hermetic moisture-proof cool dry warehouse below 25℃; isolate humid air and alkaline chemicals |
| Transportation Rule | General inorganic chemical; moisture-proof and waterproof packaging required during transit |
| Shelf Life | 24 months under intact sealed packaging |
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