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

 

But-1-ene

EC / List no.: 203-449-2

CAS no.: 106-98-9

Mol. formula: C4H8

formula
GHS02: Flammable GHS04: Gas under Pressure

Danger! According to the harmonised classification and labelling (CLP00) approved by the European Union, this substance is an extremely flammable gas.

Additionally, the classification provided by companies to ECHA in REACH registrations identifies that this substance 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 ≥ 100 000 to < 1 000 000 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, adhesives and sealants, air care products, anti-freeze products, polishes and waxes, washing & cleaning products and cosmetics and personal care products.
Other release to the environment of this substance is likely to occur from: indoor use in close systems with minimal release (e.g. cooling liquids in refrigerators, oil-based electric heaters), outdoor use in close systems with minimal release (e.g. hydraulic liquids in automotive suspension, lubricants in motor oil and break fluids) and indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners).

Article service life

Release to the environment of this substance can occur from industrial use: for thermoplastic manufacture and as processing aid.
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) and 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, machinery, mechanical appliances and electrical/electronic products (e.g. computers, cameras, lamps, refrigerators, washing machines) and machinery, mechanical appliances, electrical/electronic products not covered by Waste Electrical and Electronic Equipment (WEEE) directive (e.g. large-scale stationary industrial tools).
This substance can be found in products with material based on: plastic (e.g. food packaging and storage, toys, mobile phones) and rubber (e.g. tyres, shoes, toys).

Widespread uses by professional workers

This substance is used in the following products: polymers, fuels, heat transfer fluids, hydraulic fluids and lubricants and greases.
This substance is used for the manufacture of: and plastic 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), outdoor use, 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).

Formulation or re-packing

This substance is used in the following products: hydraulic fluids, lubricants and greases, metal working fluids and polymers.
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: polymers, laboratory chemicals, fillers, putties, plasters, modelling clay and fuels.
This substance is used in the following areas: formulation of mixtures and/or re-packaging.
This substance is used for the manufacture of: chemicals.
Release to the environment of this substance can occur from industrial use: as an intermediate step in further manufacturing of another substance (use of intermediates), in processing aids at industrial sites, of substances in closed systems with minimal release, for thermoplastic manufacture, as processing aid and manufacturing of the substance.

Manufacture

Release to the environment of this substance can occur from industrial use: manufacturing of the substance, formulation of mixtures and in processing aids at industrial sites.

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: 19/05/2023