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

 

Hexamethyldisiloxane

EC / List no.: 203-492-7

CAS no.: 107-46-0

Mol. formula: C6H18OSi2

formula

Danger! According to the classification provided by companies to ECHA in REACH registrations this substance is very toxic to aquatic life, is toxic to aquatic life with long lasting effects and is a highly flammable liquid and vapour.

  • PBT

Possibly Persistent, Bioaccumulative and Toxic

This substance is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 10 000 to < 100 000 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, washing & cleaning products, polishes and waxes, coating products and inks and toners.
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.

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 products with material based on: paper (e.g. tissues, feminine hygiene products, nappies, books, magazines, wallpaper).

Widespread uses by professional workers

This substance is used in the following products: adhesives and sealants, cosmetics and personal care products, polishes and waxes, washing & cleaning products, coating products and inks and toners.
This substance is used in the following areas: building & construction work and printing and recorded media reproduction.
This substance is used for the manufacture of: .
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.

Formulation or re-packing

This substance is used in the following products: cosmetics and personal care products, polishes and waxes, washing & cleaning products and pharmaceuticals.
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: washing & cleaning products, non-metal-surface treatment products, heat transfer fluids, semiconductors and laboratory chemicals.
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, machinery and vehicles, mineral products (e.g. plasters, cement) 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), for thermoplastic manufacture, as processing aid, of substances in closed systems with minimal release and in processing aids at industrial sites.

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.

ECHA logo about INFOCARD - Last updated: 06/09/2023