Applications

• Flame retardant in the manufacturing of plastics and rubber products
• Flocculant in wastewater treatment processes
• Key ingredient in the production of other magnesium compounds
• Industrial applications in agriculture, ceramics, and construction

General

What is Magnesium Hydroxide? Our Magnesium Hydroxide 99%, with the chemical formula Mg(OH)₂, is a high-purity inorganic compound commonly used in pharmaceutical, industrial, and environmental applications. It is also known by alternate names such as Milk of Magnesia, Magnesia Hydroxide, and Magnesium (II) Hydroxide. This white, odourless powder is valued for its versatility, including its use as an antacid, laxative, and in water treatment processes.

Consistent Quality: We use only carefully sourced Magnesium Hydroxide 99%, ensuring reliable and consistent performance for a wide range of applications in the pharmaceutical, industrial, and environmental sectors.

Shipped from UK Facility: Sourced and packaged in non-toxic, chemical-resistant containers, ensuring safe handling and consistent quality for our customers.

Frequent Uses

Water Treatment
Used in water treatment processes to neutralise acidic waters and to soften hard water. It is particularly effective in controlling pH levels in wastewater and in removing impurities such as heavy metals.

Industrial Manufacturing
Utilised in the manufacture of flame retardants, particularly for polymers and plastics. Its high thermal stability makes it an effective additive in materials that require resistance to fire.

Specification

Technical grade

• Minimum Assay: 99%
• Molecular Formula: Mg(OH)2
• Molecular Weight: 58.32 g/mol

Chemical Analysis 

% by weight

• MgO: 99.9
• CaO: 0.01
• SiO²: 0.02
• Fe²O³: 0.001

Residue on a 53 μm sieve (ISO 787-7) 0.1%

Loss on ignition (950oC) 31%

Hazards

Hazard Phrases: Not considered harmful under normal laboratory conditions

Accessories

From £1.61

15ml Clear Glass Powder Jar with Black Lid

From £19.95

Weigh Boat 30ml Diamond Shape Antistatic (500)

From £4.25

Spatula St.Steel, Straight, Spoon One End, 150mm - 210mm Long

From £25.95

Aluminium Hydroxide >76.5%

From £16.57

Magnesium Ribbon 99.8%

From £3.75

Magnesium Chloride Hexahydrate 98.0-101%

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