Molekula
Magnesium chloride anhydrous- Chemically Pure
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Magnesium chloride anhydrous is a highly soluble inorganic salt composed of magnesium and chloride ions, widely used in industrial processes, desiccants, dust control, and as a raw material in chemical synthesis. This chemically pure grade meets stringent quality standards for laboratory and manufacturing applications. Magnesium chloride anhydrous has a CAS number of 7786-30-3, a molecular formula of MgCl₂, and a molecular weight of 95.21 g/mol. It is stored at ambient conditions and carries a signal word of "Warning" for safety classification. Molekula supplies Magnesium chloride anhydrous from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | Crystalline, white, flaky powder |
| Water | ≤ 2.0% |
| Odour | Odourless |
| NaCl | ≤ 100ppm |
| Solubility in water | ~ 500g/l |
| CaCl2 | ≤ 200ppm |
| Iron (Fe) | ≤ 10ppm |
| Substance insoluble in water | ≤ 0.1% |
| Aluminium (Al) | ≤ 10ppm |
| Clarity of solution (in water) | Absolutely clear |
| MgCl2 (on dried basis) | ≥ 99.0% |
| Particle size >10 mesh | ≤ 5% |
| Particle size 10 - 100 mesh | ≥ 90% |
| Particle size <100 mesh | ≤ 5% |
| Silicon (Si) | ≤ 50ppm |
| Zirconium (Zr) | ≤ 10ppm |
| Titanium (Ti) | ≤ 10ppm |
| Magnesium Oxide (MgO) | ≤ 300ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Thin white to gray granules and/or flakes |
| Melting Point | 712 °C (rapid heating) |
| Boiling Point | 1412 °C |
| Solubility (other solvents) | Very soluble in water, freely soluble in ethanol |
| Refractive Index | 1.675 |
Source: PubChem CID 5360315 (HSDB, ICSC, EU Food Improvement Agents)
Identification
| Property | Value |
|---|---|
| SKU | 90031264 |
| CAS Number | 7786-30-3 |
| IUPAC Name | magnesium dichloride |
| Molecular Formula | MgCl2 |
| Molecular Weight | 95.21 |
| Exact Mass | 93.9227 |
| SMILES | [Mg+2].[Cl-].[Cl-] |
| InChIKey | TWRXJAOTZQYOKJ-UHFFFAOYSA-L |
| InChI | InChI=1S/2ClH.Mg/h2*1H;/q;;+2/p-2 |
| PubChem CID | 5360315 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2827310000 |
| Tariff Code | 2827310000 |
Safety & GHS
Hazard statements
- H303 May be harmful if swallowed
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is magnesium chloride anhydrous (Chemically Pure) commonly used for?
It is primarily used in desiccants, dust control, and as a raw material in the production of magnesium metal, fire retardants, and medical applications like magnesium supplements.
What is the chemical formula and molecular weight of magnesium chloride anhydrous?
The chemical formula is **MgCl₂**, and the molecular weight is **95.21 g/mol**.
What is the storage recommendation for magnesium chloride anhydrous?
Store in a cool, dry place at **ambient temperature**, away from moisture and incompatible substances.
What grade of magnesium chloride anhydrous does Molekula supply?
Molekula supplies this product in **Chemically Pure (CP) grade**, suitable for laboratory and industrial applications requiring high purity.
Can Molekula supply magnesium chloride anhydrous in bulk quantities?
Yes, Molekula can provide magnesium chloride anhydrous in bulk, with packaging options tailored to your requirements (e.g., drums, bags, or custom solutions).
What documentation comes with an order of magnesium chloride anhydrous?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet detailing purity, heavy metals content, and other relevant parameters.
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