Registration Dossier
Registration Dossier
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EC number: 201-550-6 | CAS number: 84-66-2
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1985
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- publication
- Title:
- Activated Sludge Biodegradation of 12 Commercial Phthalate Esters
- Author:
- O`Grady DP, Howard PH & Werner AF
- Year:
- 1 985
- Bibliographic source:
- Applied And Environmental Microbiology, 49(2); 443-445
Materials and methods
- Principles of method if other than guideline:
- Diethyl phthalate was tested by the semicontinuous activated sludge (SCAS) test recommended by the Soap and Detergent Association to determine 24-h biodegradation.
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Diethyl phthalate
- EC Number:
- 201-550-6
- EC Name:
- Diethyl phthalate
- Cas Number:
- 84-66-2
- Molecular formula:
- C12H14O4
- IUPAC Name:
- diethyl phthalate
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- other: semicontinuous activated sludge
- Duration of test (contact time):
- 24 h
Results and discussion
% Degradation
- Parameter:
- % degradation (CO2 evolution)
- Value:
- > 94.8
- Sampling time:
- 24 h
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
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