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EC number: 221-906-4
CAS number: 3277-26-7
% degradation at sampling time (days)
Biodegradation in water: screening tests: 0% biodegradation in 28 days (OECD 310), based on read-across from a structurally-related substance.
There are no reliable ready biodegradation
data available for H2-L2. H2-L2 hydrolyses rapidly to dimethylsilanol,
and more slowly to dimethylsilanediol. Therefore, good quality data for
the structurally-related substance, trimethylsilanol (1066-40-6), have
been read across.
Dimethylsilanediol, dimethylsilanol, and
trimethylsilanol are within an analogue
group of substances. Within this analogue group, in general, the
substances exhibit no evidence of any significant biodegradation once
hydrolysis and subsequent biodegradation of any alkoxy/acetoxy groups
has been taken into account..
It is therefore considered valid to
read-across the results for trimethylsilanol to fill the data gap for
the registered substance. Additional information is given in a
supporting report (PFA,
2013g) attached in Section 13 of the
0% degradation in 28d (CO2 production)
was determined for trimethylsilanol.
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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