Substance Information
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
2,5-di-tert-pentylhydroquinone
EC / List no.: 201-222-2
CAS no.: 79-74-3
Mol. formula: C16H26O2
Warning! According to the classification provided by companies to ECHA in REACH registrations this substance is very toxic to aquatic life, is very toxic to aquatic life with long lasting effects, is harmful if swallowed and may cause an allergic skin reaction.
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A majority of data submitters agree this substance is Skin sensitising |
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Possibly Persistent, Bioaccumulative and Toxic |
- Substance included in the Community Rolling Action Plan (CoRAP).
This substance is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 10 to < 100 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.
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:
adhesives and sealants.
Other release to the environment of this substance is likely to occur from:
indoor use as reactive substance.
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:
rubber (e.g. tyres, shoes, toys).
Widespread uses by professional workers
This substance is used in the following products:
laboratory chemicals.
This substance is used in the following areas:
scientific research and development.
Other release to the environment of this substance is likely to occur from:
indoor use as reactive substance.
Formulation or re-packing
This substance is used in the following products:
adhesives and sealants.
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 and
adhesives and sealants.
This substance is used for the manufacture of:
rubber products,
chemicals and
plastic products.
Release to the environment of this substance can occur from industrial use:
in processing aids at industrial sites and
in the production of articles.
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.
about INFOCARD - Last updated: 06/09/2023