Substance Information

1,1'-(1,1,2,2-tetramethylethylene)dibenzene

EC / List no.: 217-568-2

CAS no.: 1889-67-4

Mol. formula: C18H22

formula

There is no harmonised classification and there are no notified hazards by manufacturers, importers or downstream users for this substance.

  • Ss

A majority of data submitters agree this substance is Skin sensitising

This substance is manufactured and/or imported in the European Economic Area in 100 - 1 000 tonnes per year.

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: polymers.
Other release to the environment of this substance is likely to occur from: indoor use as processing aid, outdoor use as processing aid, 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).

Article service life

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).
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: polymers.
This substance is used for the manufacture of: plastic products.
Other release to the environment of this substance is likely to occur from: indoor use as reactive substance and outdoor use as reactive substance.

Formulation or re-packing

This substance is used in the following products: polymers.
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: polymers.
This substance is used for the manufacture of: plastic products.
Release to the environment of this substance can occur from industrial use: as processing aid, in the production of articles 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.

ECHA logo about INFOCARD - Last updated: 26/05/2020

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