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EC number: 203-127-1
CAS number: 103-60-6
72 h ErC50 18 mg/L, NOEC 1.6 mg/L, Pseudokirchneriella subcapitata, OECD 201, EU Method C.3, Vryenhoef (2012).
The toxicity of the test material to aquatic plants was investigated in
the algae Pseudokirchneriella subcapitata in accordance with GLP
and the standardised guidelines OECD 201 and EU Method C.3. The algal
culture was exposed to the test material at nominal concentrations of
0.84, 2.7, 8.4, 27 and 84 mg/L under static freshwater conditions.
Analytical investigation of the test solutions found a significant
decline in measured test concentration over the 72 hour test period and
so it was considered justifiable to base the results on the
time-weighted mean measured test concentrations which were as follows:
0.029, 0.14, 1.6, 22 and 77 mg/L. Under the conditions of the study the
ErC50 was determined to be 18 mg/L and the EbC50 was determined to be
5.2 mg/L. The study was performed to a high standard with a sufficient
level of detail to assess the reliability of the data submitted.
Accordingly the study was assigned a reliability score of 1, in line
with the principles for assessing data quality set out in Klimisch
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