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EC number: 269-950-3
CAS number: 68391-42-4
EC50 (48h) = 18.6 mg/l as nominal
experimental data on target substance was available for short term
toxicity to aquatic invertebrates. Available data on Similar Substance
01 was used in a read across purpose. Details on read across procedure
are reported in section 13.
toxicity of the test substance to daphnia magna was determined in a
48-hour static test according to the OECD guideline 202.
concentrations tested were 100 %, 50 %, 25 %, 12.5 % and 6.25 % of
saturated solution obtained from a nominal loading of 100 mg test
substance/l. A negative control was also used.
concentrations at time 0 h and 48 h after start of exposure were below
the lowest calibration level. At nominal concentration of 25 mg/l,
immobilisation of 18/20 daphnids was seen; at higher concentrations, all
daphnids were immobile. An EC50 (48h) value of 18.6 mg/l was determined.
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