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
Trichlorosilane
EC / List no.: 233-042-5
CAS no.: 10025-78-2
Mol. formula: Cl3HSi
Danger! According to the harmonised classification and labelling (ATP18) approved by the European Union, this substance causes severe skin burns and eye damage, is toxic if inhaled, is an extremely flammable liquid and vapour, in contact with water releases flammable gases which may ignite spontaneously, is harmful if swallowed and causes serious eye damage.
Additionally, the classification provided by companies to ECHA in REACH registrations identifies that this substance catches fire spontaneously if exposed to air.
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 in articles, in formulation or re-packing, at industrial sites and in manufacturing.
This substance is used in articles, in formulation or re-packing, at industrial sites and in manufacturing.
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
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) 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).
ECHA has no public registered data indicating whether or into which articles the substance might have been processed.
Widespread uses by professional workers
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 types of manufacture using this substance. ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment.
Formulation or re-packing
This substance is used in the following products:
laboratory chemicals and
semiconductors.
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:
semiconductors,
laboratory chemicals and
polymers.
This substance has
an industrial use resulting in manufacture of another substance (use of intermediates).
This substance is used in the following areas:
scientific research and development.
This substance is used for the manufacture of:
chemicals and
electrical, electronic and optical equipment.
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),
as processing aid,
for thermoplastic manufacture 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