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EC number: 242-056-0
CAS number: 18171-19-2
[3-chloropropyl(dimethoxy)methylsilane]: Not relevant due to rapid
hydrolysis in water
[(3-chloropropyl)(methyl)silanediol]: approximately 12
requirement to test the substance for dissociation constant is waived
because in contact with water the substance hydrolyses rapidly. The
hydrolysis products in this case are 3-chloropropyl(methyl)silanediol
are no reliable measured data for the dissociation constant of
3-chloropropyl(methyl)silanediol. 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(methyl)silanediol from dimethylsilanediol. This
suggests that silanols are not expected to undergo significant
dissociation within the range of pH relevant in the environment or in
is reported in a secondary source to have a first dissociation constant
of 11.9. Additional information is given in a supporting report (PFA
2013b) attached in Section 13.
Fisk Associates, Dissociation constant Analogue report. PFA.300.001.001.
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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