Molekula
Magnesium chloride anhydrous
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 white, hygroscopic solid used in chemical synthesis, catalysis, and as a source of magnesium ions in industrial and laboratory applications. Other key applications include producing magnesium metal, making magnesium oxychloride cement, formulating fire extinguishers and fireproofing products, and processing textiles and paper. It has a molecular formula of MgCl2, a molecular weight of 95.21 g/mol, and is stored at ambient temperatures. Its CAS number is 7786-30-3, and it carries a Warning signal word with hazard statement H303 (may be harmful if swallowed). 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.
Often bought together
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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500 g — £20.00 per pack ex VAT · £24.00 inc. VAT
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1 kg — £29.70 per pack ex VAT · £35.64 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline/ flaky powder |
| Identification | Conforms to reference |
| NaCl | ≤ 100ppm |
| Water insoluble matter | ≤ 0.1% |
| CaCl2 | ≤ 200ppm |
| Iron (Fe) | ≤ 10ppm |
| Water (KF) | ≤ 2.0% |
| Assay (dried basis) | ≥ 99% |
| Aluminium (Al) | ≤ 10ppm |
| Particle size 10 - 100 mesh | ≥ 90% |
| 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 | 41470438 |
| 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
- Aerotex Accelerator MX
- Anhydrous magnesium chloride
- Bestmade Natural Products Mag Mur
- Chloride, Magnesium
- Cramp-Z
- Fibro Flex
- GZE Magnesium Oil
- MAGNESIUM CHLORIDE
- Magnesium dichloride
- MgCl2
Frequently asked questions
What is magnesium chloride anhydrous used for?
It is used in pharmaceuticals, food additives, and as a coagulant in tofu production.
What is the chemical formula and molecular weight of magnesium chloride anhydrous?
The formula is MgCl2 and the molecular weight is 95.21 g/mol.
How should magnesium chloride anhydrous be stored?
It should be stored at ambient temperature in a dry, well-ventilated area.
What grade is available for magnesium chloride anhydrous?
Available in reagent grade and technical grade; specific grades depend on application needs.
Can Molekula supply magnesium chloride anhydrous in bulk?
Yes, Molekula offers bulk quantities; please contact sales for pricing and availability.
What documentation comes with an order of magnesium chloride anhydrous?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.