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

 

Acetic anhydride

EC / List no.: 203-564-8

CAS no.: 108-24-7

Mol. formula: C4H6O3

formula
GHS02: Flammable GHS05: Corrosive GHS07: Health hazard

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

Additionally, the classification provided by companies to ECHA in REACH registrations identifies that this substance is fatal if inhaled.

This substance is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 100 000 tonnes per annum.

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

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

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: wood (e.g. floors, furniture, toys) and wood used for large surface area articles (e.g. construction and building materials for floors, claddings).

Widespread uses by professional workers

This substance is used in the following products: laboratory chemicals and pH regulators and water treatment products.
This substance is used in the following areas: scientific research and development and health services.
This substance is used for the manufacture of: chemicals and rubber 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).

Formulation or re-packing

This substance is used in the following products: laboratory 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, formulation in materials, manufacturing of the substance, in processing aids at industrial sites, in the production of articles, as an intermediate step in further manufacturing of another substance (use of intermediates), as processing aid, for thermoplastic manufacture, as processing aid and of substances in closed systems with minimal release.

Uses at industrial sites

This substance is used in the following products: laboratory chemicals, fuels, oil and gas exploration or production products and pharmaceuticals.
This substance has an industrial use resulting in manufacture of another substance (use of intermediates).
This substance is used for the manufacture of: chemicals.
Release to the environment of this substance can occur from industrial use: in processing aids at industrial sites, as an intermediate step in further manufacturing of another substance (use of intermediates), as processing aid, for thermoplastic manufacture, manufacturing of the substance, in the production of articles, as processing aid and of substances in closed systems with minimal release.

Manufacture

Release to the environment of this substance can occur from industrial use: manufacturing of the substance, as an intermediate step in further manufacturing of another substance (use of intermediates), in processing aids at industrial sites, formulation of mixtures, formulation in materials, in the production of articles, as processing aid, for thermoplastic manufacture, as processing aid and of substances in closed systems with minimal release.

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: 06/09/2023