Registration Dossier
Registration Dossier
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EC number: 242-056-0 | CAS number: 18171-19-2
Endpoint summary
Administrative data
Description of key information
Additional information
The distribution in a sewage treatment plant (STP) has been estimated using the SimpleTreat model (implemented in EUSES 2.1.2/Chesar 3.4), see table below. Due to the rapid hydrolysis of the parent substance, the distribution calculation is done for the hydrolysis products.
Table: Distribution modelling for STP
| 3 -Chloropropyl(methyl)silanediol | Methanol |
|
Fraction of emission directed to water by STP | 99.62 | 12.62 |
[%] |
Fraction of emission directed to air by STP | 1.04E-4 | 0.095 |
[%] |
Fraction of emission directed to sludge by STP | 0.374 | 0.037 |
[%] |
Fraction of the emission degraded in STP | 0 | 87.24 |
[%] |
3-Chloropropyl(dimethoxy)methylsilane hydrolyses rapidly in contact with water to form 3-chloropropyl(methyl)silanediol and methanol. 3-Chloropropyl(methyl)silanediol is not expected to undergo any significant biodegradation, has a low Henry’s Law constant and low log Kow/log Koc. Therefore, water is the main compartment to which it is expected to partition in a sewage treatment plant.
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