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Molekula

Magnesium hydroxide

CAS 1309-42-8 Mg(OH)2 MW 58.32 Made to order

Magnesium hydroxide is a white, crystalline powder used as an antacid, laxative, and flame retardant. It is also employed in water treatment and as a neutralizing agent. Available in powder form with a molecular weight of 58.32 g/mol, it has a CAS number of 1309-42-8 and is stable at ambient storage conditions. Molekula supplies Magnesium hydroxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Magnesium hydroxide is a white, crystalline powder used as an antacid, laxative, and flame retardant. It is also employed in water treatment and as a neutralizing agent. Available in powder form with a molecular weight of 58.32 g/mol, it has a CAS number of 1309-42-8 and is stable at ambient storage conditions. Molekula supplies Magnesium hydroxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance White to off-white powder
Water ≤0.3%
Loss on Drying ≤31%
Chloride (Cl) ≤0.08%
Assay ≥99.0%
Iron (Fe) ≤0.006%
Calcium (Ca) ≤0.03%
Manganese (Mn) ≤0.005%
aluminium (Al) ≤0.005%
Silicon (Si) ≤0.032%

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 60 months
Acidity Base

Identification

Property Value
CAS Number 1309-42-8
Molecular Formula Mg(OH)2
Molecular Weight 58.32
SMILES [OH-].[OH-].[Mg+2]
REACH Code Y113
TSCA Listed Yes
HTS Code 2816.10.00.00
Tariff Code 2816100000

Safety & GHS

None

Precautionary statements

  • P280 Wear protective gloves/protective clothing/eye protection/face protection

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

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.

Pricing & pack sizes

Pack sizes & pricing

  • 100 g

    €46.34 · per pack

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

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is magnesium hydroxide used for?

Magnesium hydroxide is commonly used as an antacid, laxative, and in water treatment for pH adjustment and heavy metal precipitation.

What is the chemical formula and molecular weight of magnesium hydroxide?

The formula is Mg(OH)2 and the molecular weight is 58.32 g/mol.

How should magnesium hydroxide be stored?

It should be stored at ambient temperature, protected from moisture and contamination.

What grade of magnesium hydroxide does Molekula supply?

Molekula supplies reagent grade magnesium hydroxide suitable for laboratory and industrial applications.

Can Molekula supply magnesium hydroxide in bulk?

Yes, Molekula can supply magnesium hydroxide in bulk quantities—please contact us for pricing and availability.

What documentation comes with a magnesium hydroxide order?

Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) upon request.

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