Registration Dossier
Registration Dossier
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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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Main component 6 (isomer): asym. 1:2 Cr(III)-complex of: A: 3-hydroxy-4-(2-hydroxy-naphthalene-1-ylazo)naphthalene-1-sulfonic acid, Na-salt and B: 1-[2-hydroxy-5-(4-methoxy-phenylazo)phenylazo]naphthalene-2-ol; Main component 8 (isomer): asym. 1:2 Cr-complex of: A: 3-hydroxy-4-(2-hydroxy-naphthalene-1-ylazo)-naphthalene-1-sulfonic acid, Na-salt and B: 1-[2-hydroxy-5-(4-methoxy-phenylazo)-phenylazo]-naphthalene-2-ol
EC number: 417-280-9 | CAS number: 30785-74-1 BLACK UL 1253
Toxicity to microorganisms
Administrative data
- Endpoint:
- activated sludge respiration inhibition testing
- Type of information:
- experimental study
- Adequacy of study:
- key study
Data source
Reference
- Title:
- Unnamed
- Year:
- 1 995
- Report date:
- 1995
Materials and methods
Test guideline
- Guideline:
- OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
Test material
- Test material form:
- solid: particulate/powder
Constituent 1
Test organisms
- Test organisms (species):
- activated sludge, domestic
Study design
- Test type:
- not specified
- Limit test:
- no
- Total exposure duration:
- 30 min
Test conditions
- Reference substance (positive control):
- yes
Results and discussion
Effect concentrations
- Duration:
- 30 min
- Dose descriptor:
- EC50
- Effect conc.:
- > 100 mg/L
- Conc. based on:
- test mat.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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