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EC number: 947-361-9
CAS number: -
In an acute toxicity study (Evonik
Goldschmidt, 2005) conducted according to OECD 203 (1992) with rainbow
trouts (Oncorhynchus mykiss) the 96-h LC50 of the surrogate test
substance was determined to be 1.91 mg/L.
In a 96-h acute toxicity study (Evonik
Goldschmidt, 2005) conducted according to OECD 203 (1992), rainbow
trouts (Oncorhynchus mykiss) were exposed to partially unsaturated
TEA-Esterquat at nominal concentrations of 0 (control), 1.0, 1.6, 2.56,
4.1, 6.55, 10.55 mg/L under semi static conditions. The mean measured
concentrations were determined to be 59 % of nominal concentrations.
Sublethal effects such as difficulties with maintenance of balance and
unusual behaviour (reduced activity and or orientation to bottom or
surface of the test vessels) were observed within the first three hours
in the highest test concentration. The 96-h LC50 based on mean measured concentrations
was determined to be 1.91 mg/L.
In addition a study (Cognis, 2001) was
conducted with partially unsaturated TEA-Esterquat according to OECD 203
(1991). In this study the LC50 of the test substance partially
unsaturated TEA-Esterquat was determined to be 2.1 mg/L for Danio rerio.
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