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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties


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Administrative data

Link to relevant study record(s)

Description of key information

Flammability: Highly flammable

Key value for chemical safety assessment

highly flammable

Additional information

The flammability of liquids is assessed on the basis of flash point.

There is no indication on the basis of structure and experience in handling and use that the substance is pyrophoric (flammable in contact with air) or flammable in contact with water.

Therefore, in accordance with Section 1 of REACH Annex XI, there is no need to conduct further flammability testing. Lower and Upper flammability limits of 1.22% and 50.57% at 100°C in a 1 L chamber were determined for chloro(dimethyl)vinylsilane using the ASTM E-681 -94 test method, but not in compliance with GLP.

Justification for classification or non-classification

The substance is classified as Flammable Liquid Category 2 (H225: Highly flammable liquid and vapour) according to Regulation (EC) No 1272/2008. This is on the basis of a flash point of -14.3°C and a measured boiling point of 84°C.