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
Copper dihydroxide
EC / List no.: 243-815-9
CAS no.: 20427-59-2
Mol. formula: CuH2O2
Danger! According to the harmonised classification and labelling (ATP17) approved by the European Union, this substance is fatal if inhaled, is very toxic to aquatic life, is very toxic to aquatic life with long lasting effects, is harmful if swallowed and causes serious eye damage.
This substance is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 1 000 to < 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.
Biocidal Uses
This substance is approved for use as a biocide in the EEA and/or Switzerland, for: wood preservation.
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,
fillers, putties, plasters, modelling clay,
fertilisers,
metal surface treatment products,
non-metal-surface treatment products,
inks and toners,
water softeners,
water treatment chemicals and
cosmetics and personal care 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),
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).
Article service life
Release to the environment of this substance can occur from industrial use:
industrial abrasion processing with low release rate (e.g. cutting of textile, cutting, machining or grinding of metal).
Other release to the environment of this substance is likely to occur from:
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) and
outdoor use in long-life materials with low release rate (e.g. metal, wooden and plastic construction and building materials).
This substance can be found in complex articles, with no release intended:
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:
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,
fillers, putties, plasters, modelling clay,
fertilisers,
metal surface treatment products,
inks and toners,
water softeners,
water treatment chemicals and
cosmetics and personal care products.
This substance is used in the following areas:
formulation of mixtures and/or re-packaging,
building & construction work,
agriculture, forestry and fishing,
printing and recorded media reproduction and
municipal supply (e.g. electricity, steam, gas, water) and sewage treatment.
This substance is used for the manufacture of:
chemicals,
mineral products (e.g. plasters, cement),
metals 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,
outdoor use in close systems with minimal release (e.g. hydraulic liquids in automotive suspension, lubricants in motor oil and break fluids) and
indoor use in close systems with minimal release (e.g. cooling liquids in refrigerators, oil-based electric heaters).
Formulation or re-packing
This substance is used in the following products:
pH regulators and water treatment products,
laboratory chemicals,
adsorbents,
coating products,
fillers, putties, plasters, modelling clay,
fertilisers,
metal surface treatment products,
non-metal-surface treatment products,
inks and toners,
water softeners,
water treatment chemicals and
cosmetics and personal care 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 and
formulation in materials.
Uses at industrial sites
This substance is used in the following products:
pH regulators and water treatment products and
adsorbents.
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 and
building & construction work.
This substance is used for the manufacture of:
chemicals and
metals.
Release to the environment of this substance can occur from industrial use:
in the production of articles,
as an intermediate step in further manufacturing of another substance (use of intermediates),
in processing aids at industrial sites and
as processing aid.
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: 06/09/2023