Registration Dossier
Registration Dossier
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EC number: 221-336-6 | CAS number: 3069-29-2
Endpoint summary
Administrative data
Description of key information
The distribution in a sewage treatment plant (STP) has been estimated using the SimpleTreat model (implemented in Chesar 3.5/EUSES 2.1.2), see table below. Due to the very rapid hydrolysis of the parent substance, the distribution calculation is done for the hydrolysis products.
Table: Distribution modelling for STP
|
N-[3-(Dihydroxymethylsilyl)propyl]ethylenediamine |
Methanol |
Units |
Fraction of emission directed to water by STP |
99.99 |
12.62 |
[%] |
Fraction of emission directed to air by STP |
6.09E-11 |
0.095 |
[%] |
Fraction of emission directed to sludge by STP |
3.13E-3 |
0.037 |
[%] |
Fraction of the emission degraded in STP |
0 |
87.24 |
[%] |
N-[3-(Dimethoxymethylsilyl)propyl]ethylenediamine hydrolyses very rapidly in contact with water to form N-[3-(dihydroxymethylsilyl)propyl]ethylenediamine and methanol. N-[3-(Dihydroxymethylsilyl)propyl]ethylenediamine 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 in a sewage treatment plant.
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