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
1,1,1,3,5,5,5-heptamethyl-3-octyltrisiloxane
EC / List no.: 241-881-3
CAS no.: 17955-88-3
Mol. formula: C15H38O2Si3
This substance is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 100 to < 1 000 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
polymers.
Other release to the environment of this substance is likely to occur from:
indoor use as processing aid and
outdoor use resulting in inclusion into or onto a materials (e.g. binding agent in paints and coatings or adhesives).
Article service life
Release to the environment of this substance can occur from industrial use:
industrial abrasion processing with low release rate (e.g. cutting of textile, cutting, machining or grinding of metal) and
of articles where the substances are not intended to be released and where the conditions of use do not promote release.
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) and
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
This substance is used in the following products:
cosmetics and personal care products and
polymers.
This substance is used for the manufacture of:
rubber 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) and
outdoor use resulting in inclusion into or onto a materials (e.g. binding agent in paints and coatings or adhesives).
Formulation or re-packing
This substance is used in the following products:
cosmetics and personal care products.
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:
laboratory chemicals,
polymers and
cosmetics and personal care products.
This substance is used in the following areas:
scientific research and development.
This substance is used for the manufacture of:
rubber products.
Release to the environment of this substance can occur from industrial use:
as processing aid,
in processing aids at industrial sites 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: 13/03/2024