Registration Dossier
Registration Dossier
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Reaction mass of 2-{[3-(trimethoxysilyl)propyl]amino}ethanaminium chloride and 2-{benzyl[3-(trimethoxysilyl)propyl]amino}ethanaminium chloride and N-[2-(benzylamino)ethyl]-3-(trimethoxysilyl)propan-1-aminium chloride and N-[2-(dibenzylamino)ethyl]-3-(trimethoxysilyl)propan-1-aminium chloride and N-benzyl-2-{benzyl[3-(trimethoxysilyl)propyl]amino}ethanaminium chloride and N-benzyl-N-[2-(dibenzylamino)ethyl]-3-(trimethoxysilyl)propan-1-aminium chloride.
EC number: 700-961-2 | CAS number: -
Long-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
NOEC (21 d) = 0.32 mg/L (nominal, OECD 211)
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 0.32 mg/L
Additional information
The long-term effects of reaction mass containing six benzylated amine silanes to freshwater invertebrates were evaluated in a 21 d GLP-study according to the OECD guideline 211 (2004). The test item degrades in water rapidly into oligomeric and polymeric silicon compounds. . Therefore, it is assumed that the test organisms were exposed to both the parent and to the hydrolysis products of the substance. A quantification of the test item based on the analysis of silicon was not possible due to the relatively high silicon concentration of the test water (M7-medium) used in this test. Therefore, biological results are based on the nominal concentrations of the test item. Daphnia magna was exposed in a semi-static system to nominal test item concentrations of 0.32, 1.0, 3.2, 10, 32 and 100 mg/L. The test resulted in a NOEC (21 d) of 0.32 mg/L (nominal) and a LOEC (21 d) of 1.0 mg /L (nominal) for the parameters reproduction and survival of adults.
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