Substance Information

Hydroquinone

EC / List no.: 204-617-8

CAS no.: 123-31-9

Mol. formula: C6H6O2

formula
GHS05: Corrosive GHS08: Serious Health Hazard GHS07: Health hazard GHS09: Hazardous to the Environment

Danger! According to the harmonised classification and labelling (ATP01) approved by the European Union, this substance is very toxic to aquatic life, is harmful if swallowed, causes serious eye damage, is suspected of causing genetic defects, is suspected of causing cancer and may cause an allergic skin reaction.

Additionally, the classification provided by companies to ECHA in REACH registrations identifies that this substance is very toxic to aquatic life with long lasting effects.

  • C

Possibly Carcinogenic

  • M

Possibly Mutagenic

  • Ss

Skin sensitising

This substance is manufactured and/or imported in the European Economic Area in 10 000 - 100 000 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: photo-chemicals.
Other release to the environment of this substance is likely to occur from: indoor use as reactive substance.

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: photo-chemicals, coating products, inks and toners and polymers.
This substance is used in the following areas: health services and scientific research and development.
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: photo-chemicals and water treatment chemicals.
Release to the environment of this substance can occur from industrial use: formulation of mixtures.

Uses at industrial sites

This substance is used in the following products: polymers, photo-chemicals, coating products, inks and toners and water treatment chemicals.
This substance has an industrial use resulting in manufacture of another substance (use of intermediates).
This substance is used in the following areas: printing and recorded media reproduction and formulation of mixtures and/or re-packaging.
This substance is used for the manufacture of: chemicals and plastic products.
Release to the environment of this substance can occur from industrial use: as processing aid, as an intermediate step in further manufacturing of another substance (use of intermediates) and for thermoplastic manufacture.

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: 16/07/2020

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