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EC number: 205-746-2
CAS number: 149-74-6
The substance hydrolyses very
rapidly to form methylphenylsilanediol and hydrochloric acid with a
hydrolysis half-life of less than 12 hours. Therefore, the
environmental hazard assessment, including sediment and soil
compartments due to water and moisture being present, is based on the
properties of the silanol hydrolysis product in accordance with REACH
guidance for Chemical Safety Assessment (Chapter R.16, ECHA 2016).
Methylphenylsilanediol is the
final product of hydrolysis reactions under conditions of a hydrolysis
laboratory study and is the hydrolysis product relevant to conventional
REACH Chemical Safety Assessment. However, other biotic or abiotic
reactions may occur over longer time-scales in the environment.
ECHA (2016). REACH Guidance on
Information Requirements and Chemical Safety Assessment Chapter R16:
Environmental Exposure Assessment Version: 3.0. February 2016
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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