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EC number: 236-828-6
CAS number: 13501-76-3
Substance: not relevantHydrolysis product: approximately 12, based on read-across from dimethylsilanediol
The requirement to test the substance for dissociation constant is
waived because the substance has no dissociable groups. There are no
reliable measured data for the dissociation constant of
(3-chloropropyl)methylsilanediol. The typical dissociation constants for
the hydroxyl protons of silanediols are available from studies in other
silanediols. It is appropriate to read-across dissociation constant data
for (3-chloropropyl)methylsilanediol from dimethylsilanediol. This
suggests that silanols are not expected to undergo significant
dissociation within the range of pH relevant in the environment or in
vivo. Dimethylsilanediol has a measured first dissociation constant ca.
11.9 reported in secondary literature. Additional information is given
in a supporting report (PFA, 2013b) attached in Section 13 of the REACH
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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