Registration Dossier
Registration Dossier
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EC number: 943-269-8 | CAS number: 6598-63-6
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
EC50 > 900 mg/l, nominal
Key value for chemical safety assessment
- EC50 for microorganisms:
- 900 mg/L
- EC10 or NOEC for microorganisms:
- 900 mg/L
Additional information
The inhibitory effect of similar substance 01 and 02 on the oxygen consumption of activated sludge microorganisms of a municipal sewage treatment plant were investigated under aerobic static conditions.
For similar substance 01, EC50 is > 2000 mg/L and for similatr substance 02 is > 900 mg/L.
The studies results confirm the conclusion that Direct Orange 102 could be considered as non-toxic to microorganisms.
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