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EC number: 202-263-9 | CAS number: 93-62-9
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1997
- Reliability:
- 1 (reliable without restriction)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Details on inoculum:
- Secondary effluent collected from Midland Municipal Wastewater treatment Plant (Midland, Michigan, USA).
- Duration of test (contact time):
- 28 d
- Initial conc.:
- 59.9 mg/L
- Based on:
- ThOD
- Parameter followed for biodegradation estimation:
- O2 consumption
- Parameter followed for biodegradation estimation:
- CO2 evolution
- Reference substance:
- benzoic acid, sodium salt
- Parameter:
- % degradation (O2 consumption)
- Value:
- 92
- Sampling time:
- 10 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- 101
- Sampling time:
- 28 d
- Results with reference substance:
- Biodegradation 60% after 1.9 days and 96.8% after 28 days.
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
- Conclusions:
- 2-hydroxyethyliminodi(acetic acid) disodium salt was found to be readily biodegradable under the conditions of OECD method 301F: Manometric respirometry test.
- Executive summary:
2-hydroxyethyliminodi(acetic acid) disodium salt was found to be readily biodegradable under the conditions of OECD method 301F: Manometric respirometry test
Reference
Description of key information
2-hydroxyethyliminodi(acetic acid) disodium salt was found to be readily biodegradable under the conditions of OECD method 301F: Manometric respirometry test.
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
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