Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Description of key information

Only one acute toxicity study is available for trichloro (2,4,4-trimethypentyl)silane. In a reliable oral study, conducted in accordance with OECD 423 (acute toxic class method) the LD50 for rats was determined to be in the range 25-200 mg/kg when dosed in corn oil. Slight to moderate reduced motiltiy, ataxia and dyspnoea, slightly reduced muscle tone or adopting a lateral or abdominal postition were noted in all animals of the 2000 mg/kg bw group. 
There are no data for dermal and inhalation routes.

Key value for chemical safety assessment

Additional information

This is the only study available for acute toxicity.

Justification for classification or non-classification

On the basis of the available measured oral LD50 value, trichloro(2,4,4-trimethypentyl)silane is classified R22 'Harmful if swallowed', according to the criteria of EU Directive 67/548/EEC and 'Acute toxic 3 (oral)' under Regulation 1272/2008.