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EC number: 470-080-3
CAS number: -
1-((2-Butyloctyloxymethyl)-2-(3,4-dihydro-isoquinolinium-2-yl)ethyl)sulfate was tested in an acute toxicity test with Zebrafish (Danio rerio) under static conditions according to OECD guideline 203 and EU method C.1. The 96 hour LC50 value was > 3.85 mg/L and the 96 hour NOEC value for test item the zebrafish (Danio rerio) was >= 3.85 mg/L based on the mean of analytically determined concentrations. No toxic effect was observed up to the solubility limit of the test substance in water.
was tested in an acute toxicity test with Zebrafish (Danio rerio) under
static conditions according to OECD guideline 203 and EU method
C.1.Group of ten fishs were exposured to test item at concentrations of
0, 3.85 mg/L based on technical test substance (mean measured analytical
concentration). The test was performed as limit test at the limit of the
water solubility of the test substance.The initial test concentration
was 4.2 mg/L. The analytical recovery rate at the end of the exposure
was 83% of the test concentration at start of exposure. The mean
3.85 mg/L was above the water solubility of
2.5 mg/L determined as a test according to OECD 105. The concentrations
of dissolved oxygen were maintained above 60% of the maximum saturation
at the test temperature of 24 °C with exception of the 48 hour value
which decreased to 58.8 %. This deviation was considered to have no
effect on the results and the validity of the study, since no adverse
effects and no mortality were observed in the test vessel with decreased
The following effect concentrations (mg/L)
were obtained based on mean analytically measured concentrations:
The 96 hour LC50 and LC100 values for test
item the zebrafish (Danio rerio) were > 3.85 mg/L. The 96 hour LC0 and
NOEC values for test item the zebrafish (Danio rerio) was >= 3.85 mg/L.
The 95 % confidence limits could not be
No toxic effect was observed up to the limit
of solubility of the test substance in water.
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