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

 

Sodium hypochlorite

EC / List no.: 231-668-3

CAS no.: 7681-52-9

Mol. formula: ClNaO

formula
GHS05: Corrosive GHS09: Hazardous to the Environment

Danger! According to the harmonised classification and labelling (ATP13) approved by the European Union, this substance causes severe skin burns and eye damage, is very toxic to aquatic life, is very toxic to aquatic life with long lasting effects and causes serious eye damage.

GHS07: Health hazard

Additionally, the classification provided by companies to ECHA in REACH registrations identifies that this substance may be corrosive to metals, causes skin irritation and may cause respiratory irritation.

This substance is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 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.

Biocidal Uses

This substance is approved for use as a biocide in the EEA and/or Switzerland, for: human hygiene, disinfection, veterinary hygiene, food and animals feeds, drinking water.

This substance is being reviewed for use as a biocide in the EEA and/or Switzerland, for: preservation for liquid systems, controlling slimes.

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: washing & cleaning products, textile treatment products and dyes, water treatment chemicals, perfumes and fragrances 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) and outdoor use.

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).
ECHA has no public registered data indicating whether or into which articles the substance might have been processed.

Widespread uses by professional workers

This substance is used in the following products: washing & cleaning products.
This substance is used in the following areas: health services and formulation of mixtures and/or re-packaging.
This substance is used for the manufacture of: food products, chemicals, textile, leather or fur and wood and wood 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: biocides (e.g. disinfectants, pest control products), pH regulators and water treatment products, paper chemicals and dyes, textile treatment products and dyes, washing & cleaning products and water treatment chemicals.
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 manufacturing of the substance.

Uses at industrial sites

This substance is used in the following products: washing & cleaning products, water treatment chemicals, pH regulators and water treatment products, textile treatment products and dyes and paper chemicals and dyes.
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.
This substance is used for the manufacture of: chemicals, food products, textile, leather or fur and pulp, paper and paper products.
Release to the environment of this substance can occur from industrial use: as processing aid and as an intermediate step in further manufacturing of another substance (use of intermediates).

Manufacture

Release to the environment of this substance can occur from industrial use: manufacturing of the substance 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: 16/05/2023