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REACH

2,8,9-Trioxa-5-aza-1-silabicyclo[3.3.3]undecane, 1,1'-(dithiodi-3,1-propanediyl)bis-

EC number: 477-700-1 | CAS number: 883794-93-2

Life Cycle description
Uses advised against

Ecotoxicological information

Endpoint summary

Administrative data

Description of key information

Additional information

Reliable acute toxicity tests results are available for freshwater fish (Brachydanio rerio), invertebrates (Daphnia magna) and algae (Desmodesmus subspicatus). The EC50 values for the three organisms were ca. 48.5, 11.6 and >100 mg/L respectively when expressed relative to nominal concentrations used to prepare the test media. A NOEC (48 h) of 5 mg/L in the daphnia and a NOEC (72 h) of > 100 mg/L in the algal test were determined based on the nominal concentrations. It is likely that, because of the prolonged test medium preparation phases, the test organisms were predominantly exposed to the hydrolysis products of the substance.

An activated sludge respiratory inhibition test value EC50 (3 h) of > 160 mg/L has been determined.

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