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Substance Information

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Sodium thiosulphate

EC / List no.: 231-867-5

CAS no.: 7772-98-7

Mol. formula: Na2O3S2

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

This substance is manufactured and/or imported in the European Economic Area in 1 000 - 10 000 tonnes per year.

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

This substance is used by consumers, 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: fillers, putties, plasters, modelling clay and photo-chemicals.
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 in long-life materials with low release rate (e.g. metal, wooden and plastic construction and building materials).

Article service life

ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment. 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, pH regulators and water treatment products, adsorbents, metals, coating products, fillers, putties, plasters, modelling clay, metal surface treatment products, non-metal-surface treatment products, hydraulic fluids, leather treatment products, lubricants and greases, metal working fluids, photo-chemicals, polishes and waxes, textile treatment products and dyes, water treatment chemicals and welding & soldering products.
This substance is used in the following areas: health services and scientific research and development.
Release to the environment of this substance can occur from industrial use: formulation of mixtures, in processing aids at industrial sites, as processing aid, formulation in materials, in the production of articles, manufacturing of the substance and of substances in closed systems with minimal release.
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 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, in processing aids at industrial sites, as processing aid, formulation in materials, in the production of articles, of substances in closed systems with minimal release and manufacturing of the substance.
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.

Uses at industrial sites

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, mining, health services, printing and recorded media reproduction, building & construction work and municipal supply (e.g. electricity, steam, gas, water) and sewage treatment.
This substance is used for the manufacture of: chemicals, textile, leather or fur, pulp, paper and paper products, mineral products (e.g. plasters, cement), metals, fabricated metal products, electrical, electronic and optical equipment and machinery and vehicles.
Release to the environment of this substance can occur from industrial use: formulation of mixtures, in processing aids at industrial sites, as processing aid, formulation in materials, in the production of articles, of substances in closed systems with minimal release and manufacturing of the substance.
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.

Manufacture

Release to the environment of this substance can occur from industrial use: manufacturing of the substance, formulation of mixtures, formulation in materials, 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) and of substances in closed systems with minimal release.
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).

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: 27/02/2019

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