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

 

tert-butyl methyl ether

EC / List no.: 216-653-1

CAS no.: 1634-04-4

Mol. formula: C5H12O

formula
GHS02: Flammable GHS07: Health hazard

Danger! According to the harmonised classification and labelling (CLP00) approved by the European Union, this substance is a highly flammable liquid and vapour and causes skin irritation.

  • PBT

Possibly Persistent, Bioaccumulative and Toxic

  • ED

Possibly Endocrine Disrupting

This substance is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 1 000 000 to < 10 000 000 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: fuels.
Other release to the environment of this substance is likely to occur from: outdoor use, indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners), indoor use in close systems with minimal release (e.g. cooling liquids in refrigerators, oil-based electric heaters) and outdoor use in close systems with minimal release (e.g. hydraulic liquids in automotive suspension, lubricants in motor oil and break fluids).

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).
This substance can be found in complex articles, with no release intended: vehicles.

Widespread uses by professional workers

This substance is used in the following products: fuels and laboratory chemicals.
This substance is used in the following areas: health services and scientific research and development.
This substance is used for the manufacture of: and chemicals.
Other release to the environment of this substance is likely to occur from: outdoor use and 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: fuels and laboratory chemicals.
Release to the environment of this substance can occur from industrial use: formulation of mixtures and manufacturing of the substance.

Uses at industrial sites

This substance is used in the following products: pharmaceuticals, perfumes and fragrances, laboratory chemicals, fuels and pH regulators and water treatment products.
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 and rubber products.
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), of substances in closed systems with minimal release, as processing aid and as processing aid.
Other release to the environment of this substance is likely to occur from: indoor use as reactive substance.

Manufacture

Release to the environment of this substance can occur from industrial use: manufacturing of the substance and formulation of mixtures.

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: 09/03/2023