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EC number: 926-000-9
CAS number: 1180524-77-9
substance is an UVCB and no information about the correlation between
molecular weight and the structural formula of the test item are
available, Water Accommodated Fractions (WAFs) were used to test effects
at different effective loadings. The content of the water soluble
fractions of the test item during the exposure period was verified by
HPLC analysis and UV/VIS-detection.
Acute toxicity to fish:
toxic effects against fish were observed at the limit of water
solubility under exposure conditions (96 h-LL50 > 400 mg/l). The results
are expressed in terms of Lethal Loadings (LL).
Acute toxicity to daphnia:
48 hrs an EL-50 of higher than 400 mg/l was measured. The result is
expressed in terms of Effective Loadings (EL). No toxic effects against
Daphnia were observed.
Toxicity to freshwater algae: An
ErL50 of > 4910 mg/L was determined and a NOEL[r] of 31.25 mg/L was
calculated. The results are expressed in terms of Effective Loadings
Toxicity to microorganisms:
3 hours the test material showed 11.11 % respiration inhibition of
activated sludge at the highest concentration of 1000 mg/L. An EC-50
value of higher than 1000 mg/l and EC-10 value of 856.5 mg/l was
determined (by probit analysis).
toxicity studies mentioned above are classified as acceptable and
satisfy the guideline requirements
the toxicity studies on acute toxicity to aquatic organisms
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