Magnesium Hydroxide

Synonym(s)

: Magnesium dihydroxide, nemalite, magnesium; dihydroxide, milmag

Mol. Formula

: H2MgO2

EC / List no.

: 215-170-3

CAS no.

: 1309-42-8

Molecular weight

: 58,32

Magnesium hydroxide (Mg(OH)2) is an ore used to obtain the element magnesium. It is formed by the synthesis reaction of magnesium and hydroxide (OH-) ion. It is a very strong base and one of the main strong bases frequently used by chemists.

Application

» Used in lubricants and greases, antifreeze products, coating products, lacquers and waxes, adhesives and sealants, polymers, fillers, putties, plasters and modeling clay.
» This substance is used in the following areas: construction and civil works, agriculture, forestry and fisheries, mining and blend formulations and/or repackaging.
» This substance is used in the manufacture of: chemicals, plastic products, textiles, leather or fur, pulp, paper and paper products, machinery and vehicles.
» Used in machine wash fluids/detergents, automotive care products, paints, coatings or adhesives, fragrances, air fresheners, coolants in refrigerators, oil-based electric heaters, hydraulic fluids in automotive suspension, lubricants in engine oil and brake fluids.

Product Specifications

Physical and Chemical Properties
» Magnesium hydroxide is in powder solid form.
» Odorless.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	320
Boiling point	°C	320
Density	g/cm3	2.41	20 °C
Solubility	mg/ L	1.78	20 °C, soluble with water
Vapor pressure	mm Hg	0.06	25 °C
LogP		1.65