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EC number: 429-600-4
CAS number: 1026988-42-0
Acute tests on all three trophic levels were performed with the
structurally highly related substance Basazol Yellow 8511 (CAS
118208-02-9) which is the chloride salt instead of the methane sulfonic
acid salt. Fish (Danio rerio) turned out to be the most sensitive
species revealing an LC50 (96 h) of 2.86 mg/L. Effects towards Daphnia
magna provided an EC50 (48 h) of 3.13 mg/L. The EC50 (72 h) determined
for algae was 97 mg/L. Thus, the test substance is considered acutely
toxic for aquatic organisms.
Chronic tests with Basazol Yellow 8511 (CAS 118208-02-9) were
performed for fish and daphnia. The fish studies resulted in the lower
NOEC of =0.1 mg/L whereas 0.22 mg/L was determined for Daphnia magna.
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