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EC number: 221-906-4
CAS number: 3277-26-7
Reliable test data are available for short-term toxicity of the
registered substance to aquatic invertebrates. A 48-hour EL50 value
of >100 mg/l has been determined for effects on mortality of Daphnia
magna based on nominal concentrations. Based
on the hydrolysis half-life of the substance (t½ = 11.3 min at pH 7 and
25°C), it must be assumed that hydrolysis occurred.
In addition, due to the rapid hydrolysis of the substance,
short-term aquatic toxicity to invertebrates toxicity data are presented
for the read-across substances trimethylsilanol (CAS 1066-40-6), a
structurally analogous substance to the initial hydrolysis product of
the registered substance, and with the final hydrolysis product,
dimethylsilanediol (CAS 1066-42-8):
There are no short-term data for effects of the registered
subsatance on fish and algae. However, data are available from tests
carried out with trimethylsilanol (CAS
1066-40-6), a structurally analogous substance to the initial hydrolysis
product of the registered substance, and with the final hydrolysis
product, dimethylsilanediol (CAS 1066-42-8).
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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