Substance Information
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
Dihydrogen wolframate
EC / List no.: 231-975-2
CAS no.: 7783-03-1
Mol. formula: H2O4W
This substance is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 100 to < 1 000 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) and
indoor use in close systems with minimal release (e.g. cooling liquids in refrigerators, oil-based electric heaters).
Article service life
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) 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).
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:
metals and
coating products.
This substance is used in the following areas:
scientific research and development and
formulation of mixtures and/or re-packaging.
This substance is used for the manufacture of:
mineral products (e.g. plasters, cement) and
fabricated metal products.
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) and
outdoor use.
Formulation or re-packing
This substance is used in the following products:
pH regulators and water treatment products and
coating products.
Release to the environment of this substance can occur from industrial use:
formulation of mixtures.
Uses at industrial sites
This substance is used in the following products:
metals and
pH regulators and water treatment products.
This substance has
an industrial use resulting in manufacture of another substance (use of intermediates).
This substance is used for the manufacture of:
chemicals,
metals 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),
as processing aid and
in processing aids at industrial sites.
Manufacture
Release to the environment of this substance can occur from industrial use:
manufacturing of the substance.
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.
about INFOCARD - Last updated: 20/12/2023