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Registration Dossier
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EC number: 246-467-6 | CAS number: 24801-88-5
Endpoint summary
Administrative data
Description of key information
Additional information
The distributionin a sewage treatment plant (STP) has been estimated using the SimpleTreat model (implemented in EUSES 2.1.2/Chesar 3.5), see table below. Due to the very rapid/rapid hydrolysis of triethoxy(3-isocyanatopropyl)silane and its intermediate hydrolysis product, 3-aminopropyltriethoxysilane,the distribution calculation is done for the final silanol hydrolysis product (3-aminopropylsilanetriol).
Table. Distribution modelling for STP
|
(3-Aminopropyl)silanetriol |
Ethanol |
|
Fraction of emission directed to water by STP |
99.99 |
12.62 |
[%] |
Fraction of emission directed to air by STP |
4.66E-11 |
0.075 |
[%] |
Fraction of emission directed to sludge by STP |
3.13E-3 |
0.069 |
[%] |
Fraction of the emission degraded in STP |
0 |
87.23 |
[%] |
Triethoxy(3-isocyanatopropyl)silane in contact with water hydrolyses vey rapidly to 3-aminopropylsilanetriol, ethanol and carbon dioxide. 3-Aminopropylsilanetriol is not expected to undergo any significant biodegradation, has low Henry’s Law constant and low log Kow/log Koc. Therefore water is the main compartment to which it is expected to partition.
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