Registration Dossier
Registration Dossier
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Reaction products of diazotised 2-amin-6-nitrophenol-4-sulphonic Acid and 2-Amino-4-nitrophenol-6-sulfonic Acid, coupled with a mixture of 6-Amino-4-hydroxy-2-naphthalenesulfonic Acid and Acetylated 6-Amino-4-hydroxy-2-naphthalenesulfonic Acid, subsequently metallized with Chromium (III) Basic Sulfate and Acetic Acid, and at the end diazotised and coupled with p-Cresol, sodium salts
EC number: 405-750-6 | CAS number: -
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
IC 50 (3 h) >100 mg/l
Key value for chemical safety assessment
Additional information
The inhibitory effect of the substance on aerobic waste-water bacteria was investigated in two respiration tests, both according tothe OECD Guideline 209 (1984). The substance showed at the highest concentration tested (100 mg/l) no inhibition (-4.1 %) and a slight inhibition (18.0 %) of the respiration rate in the fist and the second test respectively.
The IC 50 (3 h) was determined to be >100 mg/l in both tests and so the substance was found not to be toxic to waste-water bacteria.
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