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Magnesium hydroxide

EC / List no.: 215-170-3

CAS no.: 1309-42-8

Mol. formula: H2MgO2

formula
According to the notifications provided by companies to ECHA in REACH registrations no hazards have been classified.

This substance is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 100 000 to < 1 000 000 tonnes per annum.

This substance is used by consumers, in articles, by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing.

This substance is used by consumers, in articles, by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing.

Consumer Uses

This substance is used in the following products: lubricants and greases, anti-freeze products, adhesives and sealants, polishes and waxes, coating products, fillers, putties, plasters, modelling clay, washing & cleaning products and air care products.
Other release to the environment of this substance is likely to occur from: outdoor use, indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners), indoor use in close systems with minimal release (e.g. cooling liquids in refrigerators, oil-based electric heaters) and outdoor use in close systems with minimal release (e.g. hydraulic liquids in automotive suspension, lubricants in motor oil and break fluids).

Article service life

Release to the environment of this substance can occur from industrial use: in the production of articles.
Other release to the environment of this substance is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners), outdoor use, indoor use in long-life materials with low release rate (e.g. flooring, furniture, toys, construction materials, curtains, foot-wear, leather products, paper and cardboard products, electronic equipment), outdoor use in long-life materials with low release rate (e.g. metal, wooden and plastic construction and building materials), indoor use in close systems with minimal release (e.g. cooling liquids in refrigerators, oil-based electric heaters) and outdoor use in close systems with minimal release (e.g. hydraulic liquids in automotive suspension, lubricants in motor oil and break fluids).
This substance can be found in complex articles, with no release intended: vehicles and machinery, mechanical appliances and electrical/electronic products (e.g. computers, cameras, lamps, refrigerators, washing machines).
This substance can be found in products with material based on: plastic (e.g. food packaging and storage, toys, mobile phones), paper (e.g. tissues, feminine hygiene products, nappies, books, magazines, wallpaper), metal (e.g. cutlery, pots, toys, jewellery), rubber (e.g. tyres, shoes, toys), stone, plaster, cement, glass or ceramic (e.g. dishes, pots/pans, food storage containers, construction and isolation material) and wood (e.g. floors, furniture, toys).

Widespread uses by professional workers

This substance is used in the following products: lubricants and greases, anti-freeze products, coating products, polishes and waxes, adhesives and sealants, polymers and fillers, putties, plasters, modelling clay.
This substance is used in the following areas: building & construction work, agriculture, forestry and fishing and mining.
This substance is used for the manufacture of: chemicals, plastic products, textile, leather or fur, pulp, paper and paper products, machinery and vehicles and electrical, electronic and optical equipment.
Other release to the environment of this substance is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners), outdoor use, indoor use in close systems with minimal release (e.g. cooling liquids in refrigerators, oil-based electric heaters) and outdoor use in close systems with minimal release (e.g. hydraulic liquids in automotive suspension, lubricants in motor oil and break fluids).

Formulation or re-packing

This substance is used in the following products: polymers, lubricants and greases, fertilisers, pharmaceuticals and coating products.
Release to the environment of this substance can occur from industrial use: formulation of mixtures, formulation in materials, in the production of articles, as processing aid, as an intermediate step in further manufacturing of another substance (use of intermediates) and for thermoplastic manufacture.

Uses at industrial sites

This substance is used in the following products: polymers, lubricants and greases, pH regulators and water treatment products, laboratory chemicals, anti-freeze products and coating products.
This substance has an industrial use resulting in manufacture of another substance (use of intermediates).
This substance is used in the following areas: municipal supply (e.g. electricity, steam, gas, water) and sewage treatment, formulation of mixtures and/or re-packaging and building & construction work.
This substance is used for the manufacture of: chemicals, plastic products, pulp, paper and paper products, rubber products and textile, leather or fur.
Release to the environment of this substance can occur from industrial use: in processing aids at industrial sites, in the production of articles, as processing aid, as an intermediate step in further manufacturing of another substance (use of intermediates), of substances in closed systems with minimal release, as processing aid, for thermoplastic manufacture and formulation in materials.
Other release to the environment of this substance is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners).

Manufacture

Release to the environment of this substance can occur from industrial use: manufacturing of the substance and as processing aid.

The InfoCard summarises the non-confidential data on substances as held in the databases of the European Chemicals Agency (ECHA), including data provided by third parties. The InfoCard is automatically generated. Information requirements under different legislative frameworks may therefore not be up–to–date or complete. Substance manufacturers and importers are responsible for consulting official publications. This InfoCard is covered by the ECHA Legal Disclaimer.

ECHA logo about INFOCARD - Last updated: 06/09/2023