Substance Information
Substance Information
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
(2E)-1,1,1,4,4,4-hexafluoro-2-butene
EC / List no.: 811-213-0
CAS no.: 66711-86-2
Mol. formula: C4H2F6
Warning! According to the classification provided by companies to ECHA in REACH registrations this substance is toxic to aquatic life with long lasting effects and contains gas under pressure and may explode if heated.
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 in articles, by professional workers (widespread uses), in formulation or re-packing and at industrial sites.
This substance is used in articles, by professional workers (widespread uses), in formulation or re-packing and at industrial sites.
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:
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 complex articles, with no release intended:
machinery, mechanical appliances and electrical/electronic products (e.g. computers, cameras, lamps, refrigerators, washing machines).
This substance can be found in products with material based on:
plastic used for large surface area articles (e.g. construction and building materials for flooring, insulation).
Widespread uses by professional workers
This substance is used in the following products:
heat transfer fluids,
metal surface treatment products,
polymers and
semiconductors.
This substance is used in the following areas:
building & construction work.
This substance is used for the manufacture of:
electrical, electronic and optical equipment and
machinery and vehicles.
Other release to the environment of this substance is likely to occur from:
outdoor use in close systems with minimal release (e.g. hydraulic liquids in automotive suspension, lubricants in motor oil and break fluids),
outdoor use resulting in inclusion into or onto a materials (e.g. binding agent in paints and coatings or adhesives) and
indoor use in close systems with minimal release (e.g. cooling liquids in refrigerators, oil-based electric heaters).
Formulation or re-packing
This substance is used in the following products:
heat transfer fluids.
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:
heat transfer fluids,
metal surface treatment products,
polymers and
semiconductors.
This substance is used for the manufacture of:
machinery and vehicles.
Release to the environment of this substance can occur from industrial use:
of substances in closed systems with minimal release and
in the production of articles.
Manufacture
ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment.
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: 11/07/2023