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: -
Short-term toxicity to fish
Administrative data
Link to relevant study record(s)
Description of key information
LC50 (96 h) = 75 mg/L (nominal, OECD 203)
Key value for chemical safety assessment
Fresh water fish
Fresh water fish
- Effect concentration:
- 75 mg/L
Additional information
In an acute fish toxicity test (1993) according to OECD 203, Cyprinus carpio was exposed to the 5 nominal concentrations of 10, 18, 32, 56 and 100 mg/L of reaction mass containing six benzylated amine silanes. The test item is a complex substance, which degrades quickly in water into monomeric (benzyl substituted aminoalkylsilane triols) or oligomeric (di-, tri-, or higher benzyl substituted aminoalkylsiloxanes) silicon-based substances and methanol. The test was performed with the parent substance, which is supposed to display the principal aquatic hazard. However, the assessment of the toxic potential of exposure of fish to the reaction mass of six benzylated aminesilanes was conducted in a static system, in order to additionally include exposure of the tested organisms to the hydrolysis products. Due to the rapid hydrolysis of the parent substance it is assumed that the test organisms were predominantly exposed to the degradation products. The 96 h LC50 was found to be 75 mg/L (nominal).
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