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
Octamethyltrisiloxane
EC / List no.: 203-497-4
CAS no.: 107-51-7
Mol. formula: C8H24O2Si3
Warning! According to the classification provided by companies to ECHA in REACH registrations this substance is a flammable liquid and vapour.
- 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 ≥ 1 000 to < 10 000 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:
cosmetics and personal care products and
washing & cleaning products.
Other release to the environment of this substance is likely to occur from:
indoor use as processing aid and
outdoor use as processing aid.
Article service life
Release to the environment of this substance can occur from industrial use:
of articles where the substances are not intended to be released and where the conditions of use do not promote release and
industrial abrasion processing with low release rate (e.g. cutting of textile, cutting, machining or grinding of metal).
ECHA has no public registered data indicating whether or into which articles the substance might have been processed.
Widespread uses by professional workers
This substance is used in the following products:
cosmetics and personal care products,
polishes and waxes and
washing & cleaning products.
ECHA has no public registered data on the types of manufacture using this substance.
Other release to the environment of this substance is likely to occur from:
indoor use as processing aid and
outdoor use as processing aid.
Formulation or re-packing
This substance is used in the following products:
coating products,
washing & cleaning products,
adhesives and sealants,
cosmetics and personal care products,
polishes and waxes and
pharmaceuticals.
Release to the environment of this substance can occur from industrial use:
formulation of mixtures and
formulation in materials.
Uses at industrial sites
This substance is used in the following products:
coating products,
washing & cleaning products,
adhesives and sealants,
heat transfer fluids,
laboratory chemicals,
polymers and
non-metal-surface treatment products.
This substance is used in the following areas:
building & construction work and
scientific research and development.
This substance is used for the manufacture of:
electrical, electronic and optical equipment,
machinery and vehicles,
chemicals,
plastic products and
rubber products.
Release to the environment of this substance can occur from industrial use:
in the production of articles,
in processing aids at industrial sites,
of substances in closed systems with minimal release and
as an intermediate step in further manufacturing of another substance (use of intermediates).
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