Registration Dossier
Registration Dossier
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EC number: 202-430-6 | CAS number: 95-54-5
Biodegradation in water and sediment: simulation tests
Administrative data
- Endpoint:
- biodegradation in water and sediment: simulation testing, other
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- significant methodological deficiencies
- Remarks:
- Old literature. Experimental conditions were well documented, but test chemicals were not. Result analysis and evaluation were not in details. Test micro- organisms were not discussed.
Data source
Reference
- Reference Type:
- publication
- Title:
- Ability of activated sludge microorganisms to oxidize aromatic organic compounds
- Author:
- Marion CV, Malaney GW
- Year:
- 1 964
- Bibliographic source:
- IN: Proceedings of the Eighteenth Industrial Waste Conference, April 30, May 1 and 2, 1963, Purdue University; 1964:297-308.
Materials and methods
- Principles of method if other than guideline:
- Exposure of the activated sludge microflora to individual compounds using the conventional Warburg respirometer technique with oxygen uptake as the measure of oxidation of the compound.
- GLP compliance:
- no
Test material
- Reference substance name:
- o-phenylenediamine
- EC Number:
- 202-430-6
- EC Name:
- o-phenylenediamine
- Cas Number:
- 95-54-5
- Molecular formula:
- C6H8N2
- IUPAC Name:
- benzene-1,2-diamine
Constituent 1
Results and discussion
Any other information on results incl. tables
o-phenylenediamine was toxic to all three sludges tested during first 24-hour period. It remained resistant to oxidation during the 168-hr aeration period.
Applicant's summary and conclusion
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