Substance Information

REACH registered substance data was upgraded on 9th November. The per substance REACH registration status is being calculated and will be made available as soon as possible.

We apologise for the inconvenience in the meantime.

1,1,3,3-tetramethyldisiloxane

EC / List no.: 221-906-4

CAS no.: 3277-26-7

Mol. formula: C4H14OSi2

formula
GHS02: Flammable

Danger! According to the classification provided by companies to ECHA in REACH registrations this substance is a highly flammable liquid and vapour.

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 per annum.

This substance is used by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing.

This substance is used by professional workers (widespread uses), 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

ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment. 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: laboratory chemicals.
This substance is used in the following areas: scientific research and development.
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).

Formulation or re-packing

This substance is used in the following products: polymers, adhesives and sealants and coating products.
Release to the environment of this substance can occur from industrial use: formulation in materials and formulation of mixtures.

Uses at industrial sites

This substance is used in the following products: polymers 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 and rubber products.
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, in processing aids at industrial sites and as processing aid.

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: 15/01/2021

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