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Substance Information

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Sulphur dioxide

EC / List no.: 231-195-2

CAS no.: 7446-09-5

Mol. formula: O2S

formula
GHS04: Gas under Pressure GHS05: Corrosive GHS06: Acute Toxicity

Danger! According to the harmonised classification and labelling (CLP00) approved by the European Union, this substance causes severe skin burns and eye damage and is toxic if inhaled.

Additionally, the classification provided by companies to ECHA in REACH registrations identifies that this substance contains gas under pressure and may explode if heated.

  • ED

Possibly Endocrine Disrupting

This substance is manufactured and/or imported in the European Economic Area in 100 000 - 1 000 000 tonnes per year.

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

Biocidal Uses

This substance is being reviewed for use as a biocide in the EEA and/or Switzerland, for: food and animals feeds, preservation of fibres, leather, rubber, or polymers.

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

Consumer Uses

ECHA has no public registered data indicating whether or in which chemical products the substance might be used. ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment.

Article service life

Release to the environment of this substance can occur from industrial use: formulation of mixtures, in processing aids at industrial sites, as an intermediate step in further manufacturing of another substance (use of intermediates) and as processing aid.
This substance can be found in products with material based on: leather (e.g. gloves, shoes, purses, furniture).

Widespread uses by professional workers

This substance is used in the following products: heat transfer fluids.
This substance has an industrial use resulting in manufacture of another substance (use of intermediates).
This substance is used for the manufacture of: chemicals, rubber products and plastic 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) and of substances in closed systems with minimal release.

Formulation or re-packing

This substance is used in the following products: pH regulators and water treatment products, paper chemicals and dyes, laboratory chemicals, water treatment chemicals, metal surface treatment products, non-metal-surface treatment products and pharmaceuticals.
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 an intermediate step in further manufacturing of another substance (use of intermediates) and as processing aid.

Uses at industrial sites

This substance is used in the following products: pH regulators and water treatment products, paper chemicals and dyes, water treatment chemicals, metal surface treatment products, non-metal-surface treatment products and pharmaceuticals.
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, food products, mineral products (e.g. plasters, cement), pulp, paper and paper products 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, as processing aid and formulation of mixtures.

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.

ECHA logo about INFOCARD - Last updated: 26/07/2019

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