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Molekula

Molekula

Magnesium chloride hexahydrate

SKU 29218779 CAS 7791-18-6 MgCl2 · 6H2O MW 203.30 In stock (5+ packs) — same-day dispatch

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch

Magnesium chloride hexahydrate is a versatile inorganic compound, primarily used as a de-icer, dust suppressant, and in medical applications like magnesium supplementation. It also serves in industrial processes such as water treatment and as a raw material in the production of other magnesium compounds. Magnesium chloride hexahydrate has the CAS number 7791-18-6, with the molecular formula MgCl₂·6H₂O and a molecular weight of 203.30 g/mol. It is stored at ambient temperatures and carries no signal word for hazard classification. Molekula supplies magnesium chloride hexahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Overview

Magnesium chloride hexahydrate is a versatile inorganic compound, primarily used as a de-icer, dust suppressant, and in medical applications like magnesium supplementation. It also serves in industrial processes such as water treatment and as a raw material in the production of other magnesium compounds. Magnesium chloride hexahydrate has the CAS number 7791-18-6, with the molecular formula MgCl₂·6H₂O and a molecular weight of 203.30 g/mol. It is stored at ambient temperatures and carries no signal word for hazard classification. Molekula supplies magnesium chloride hexahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Pricing & pack sizes

Pack sizes & pricing

  • 100 g £20.20 per pack
  • 500 g £29.50 per pack
  • 1 kg £50.90 per pack
  • 5 kg £191.10 per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Specifications

Property Value
Appearance White crystal
Heavy metals ≤ 0.001%
Identification Conforms to reference
pH 4.5 - 7.0
Solubility Totally dissolves
Assay ≥ 99.0%
Appearance of Solution Clear and colourless
Acidity / Alkalinity Neutral
Water insoluble matter ≤ 1.0%
Aluminium (Al) ≤ 1mg/kg
Sulphates (SO4)(2-) ≤ 0.5%

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Neutral

Identification

Property Value
SKU 29218779
CAS Number 7791-18-6
Molecular Formula MgCl2 · 6H2O
Molecular Weight 203.30
SMILES Cl[Mg]Cl.O
REACH Code Y113
HTS Code 28273100
Tariff Code 2827310000

Safety & GHS

Precautionary statements

  • P231+232 Handle under inert gas. Protect from moisture
  • P264 Wash thoroughly after handling
  • 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 hexahydrate commonly used for?

Magnesium chloride hexahydrate is widely used in industrial applications like dust control on roads, as a desiccant, in water treatment, and as a raw material for producing other magnesium compounds.

What is the chemical formula and molecular weight of magnesium chloride hexahydrate?

The chemical formula is **MgCl₂·6H₂O**, and the molecular weight is **203.30 g/mol**.

How should magnesium chloride hexahydrate be stored?

Store at **ambient temperature** in a cool, dry place, away from incompatible substances. Ensure containers are tightly sealed to prevent moisture absorption.

What grades or purity levels of magnesium chloride hexahydrate does Molekula supply?

Molekula supplies **technical-grade** magnesium chloride hexahydrate, suitable for industrial applications. Higher purity grades may be available upon request.

Can Molekula supply magnesium chloride hexahydrate in bulk quantities?

Yes, Molekula can supply magnesium chloride hexahydrate in **bulk quantities**, with packaging options tailored to your needs (e.g., drums, bags, or custom solutions).

What documentation comes with an order of magnesium chloride hexahydrate?

Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a packing list. Additional documentation, such as a Certificate of Conformity, may be provided upon request.

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