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EC number: 247-156-8
CAS number: 25640-78-2
In an algal growth inhibition study with (1-methylethyl)-1,1'-biphenyl, water accommodated fractions were applied. Results based on loadings are high. In a test with the supporting substance 4-ethylbiphenyl, test concentrations have been measured. The results of this test are further used as key values.
(1-methylethyl)-1,1'-biphenyl to aquatic algae was tested in a 72 h
limit test according to OECD TG 201 (Aniol/STZ 2011). A water-accommodated
fraction with a nominal load of 100 mg/L was tested. Dissolved test
substance concentrations could not be verified. In this test, no
inhibition of growth rate was determined (EL50 >100 mg/L, NOELR 100
An aquatic algae toxicity test using
the supporting substance 4-ethylbiphenyl could be located (CHRIP/NITE
1999). EC50 and NOEC were determined to be 0.15 mg/L and 0.027 mg/L,
respectively. The data from this test are used as key values to
characterise the toxicity of (1-methylethyl)-1,1'-biphenyl to aquatic
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