Substance Information

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REACH Registration data can be found in the new ECHA CHEM database. The old ‘Registered substance factsheets’ will be available on this web site during the transition period but have not been updated since 19 May 2023. More

 

Tungsten trioxide

EC / List no.: 215-231-4

CAS no.: 1314-35-8

Mol. formula: O3W

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 ≥ 10 000 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: coating products.
Other release to the environment of this substance is likely to occur from: indoor use, outdoor use resulting in inclusion into or onto a materials (e.g. binding agent in paints and coatings or adhesives), outdoor use in long-life materials with low release rate (e.g. metal, wooden and plastic construction and building materials) and 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).

Article service life

Release to the environment of this substance can occur from industrial use: formulation of mixtures.
Other release to the environment of this substance is likely to occur from: outdoor use in long-life materials with low release rate (e.g. metal, wooden and plastic construction and building materials), 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), indoor use and outdoor use resulting in inclusion into or onto a materials (e.g. binding agent in paints and coatings or adhesives).
This substance can be found in complex articles, with no release intended: vehicles.
This substance can be found in products with material based on: stone, plaster, cement, glass or ceramic (e.g. dishes, pots/pans, food storage containers, construction and isolation material).

Widespread uses by professional workers

This substance is used in the following products: coating products, metals, metal surface treatment products and laboratory chemicals.
This substance is used for the manufacture of: mineral products (e.g. plasters, cement), fabricated metal products and .
Other release to the environment of this substance is likely to occur from: indoor use, outdoor use resulting in inclusion into or onto a materials (e.g. binding agent in paints and coatings or adhesives), outdoor use in long-life materials with low release rate (e.g. metal, wooden and plastic construction and building materials) and 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).

Formulation or re-packing

This substance is used in the following products: laboratory chemicals, coating products, textile treatment products and dyes and pH regulators and water treatment products.
This substance has an industrial use resulting in manufacture of another substance (use of intermediates).
Release to the environment of this substance can occur from industrial use: formulation of mixtures, manufacturing of the substance and as an intermediate step in further manufacturing of another substance (use of intermediates).

Uses at industrial sites

This substance is used in the following products: pH regulators and water treatment products, metals, laboratory chemicals, oil and gas exploration or production products, lubricants and greases, polymers 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: formulation of mixtures and/or re-packaging.
This substance is used for the manufacture of: chemicals, metals, , mineral products (e.g. plasters, cement) and fabricated metal products.
Release to the environment of this substance can occur from industrial use: as an intermediate step in further manufacturing of another substance (use of intermediates), in processing aids at industrial sites, manufacturing of the substance and as processing aid.

Manufacture

Release to the environment of this substance can occur from industrial use: manufacturing of the substance, as an intermediate step in further manufacturing of another substance (use of intermediates) and formulation of mixtures.

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: 10/10/2022