Registration Dossier
Registration Dossier
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EC number: 232-304-6 | CAS number: 8002-26-4 A complex combination of tall oil rosin and fatty acids derived from acidulation of crude tall oil soap and including that which is further refined. Contains at least 10% rosin.
Endpoint summary
Administrative data
Description of key information
For the purposes of environmental and exposure assessment, the EUSES 2.1.1 model was used to predict environmental partitioning in waste water treatment plant for the constituent blocks of DTO. Distribution is calculated using the SimpleTreat sewage treatment model, based on the physicochemical and biodegradation properties. These distributions are also indicative of the distribution in the wider environment.
The estimated distribution is shown in Table 4.4.
Table4.4: Distribution in the waste water treatment plant
Block |
% to air |
% to water |
% to sludge |
% degraded |
1 |
0.192 |
11.6 |
8.78 |
79.4 |
2 |
0.481 |
7.92 |
43.6 |
48 |
3 |
0.597 |
6.5 |
66.9 |
26 |
4 |
5.57E-03 |
15 |
60.6 |
24.4 |
5 |
2.47E-03 |
15.4 |
59.3 |
25.3 |
6 |
1.46E-04 |
15.6 |
58.5 |
25.9 |
7 |
23.6 |
4.36 |
71 |
1.07 |
8 |
- |
- |
- |
- |
9 |
0.339 |
7.95 |
91.7 |
0.0261 |
10 |
3.3 |
34.4 |
62.3 |
0 |
11 |
0.275 |
36.3 |
40.2 |
23.3 |
12 |
5.23E-05 |
8.14 |
91.9 |
0 |
13* |
- |
- |
- |
- |
14* |
- |
- |
- |
- |
*not assessed because they are high polymeric constituents
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