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EC number: 413-110-2
CAS number: 135861-56-2
%Concentration loss over test: 21
ErC50 (0 to 24h) 0.080 mg/L.
Water hardness is not measured.
The test concentration of 0.10 mg/L was the
highest attainable test concentration due to the limited solubility of
the test material in water and auxiliary solvent, and having due regards
for the amount of auxiliary solvent permitted in the test under the OECD
Analysis of the test solutions at 0 and 72
hours showed a marked decline in test concentrations and so it was
considered justifiable to bas the results on the time-weighted mean
measured test concentration also. Given that pre-study stability
analysis showed the test material to be stable in the culture medium
used over the study period, the decline in measured test concentrations
is considered to be due to adsorption to the algal cells. Adsorption was
not a factor in the pre-study analyses as no algal cells were present.
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