Registration Dossier
Registration Dossier
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EC number: 201-126-0 | CAS number: 78-59-1
Biodegradation in water and sediment: simulation tests
Administrative data
- Endpoint:
- biodegradation in water: sewage treatment simulation testing
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Peer reviewed database.
Data source
Reference
- Reference Type:
- secondary source
- Title:
- 3,5,5-trimethylcyclohex-2-enone (Isophorone)
- Author:
- OECD SIDS
- Year:
- 2 005
- Bibliographic source:
- OECD SIDS , CAS No. 78-59-1, March 2005
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 303 A (Simulation Test - Aerobic Sewage Treatment. A: Activated Sludge Units)
- GLP compliance:
- no
Test material
- Reference substance name:
- 3,5,5-trimethylcyclohex-2-enone
- EC Number:
- 201-126-0
- EC Name:
- 3,5,5-trimethylcyclohex-2-enone
- Cas Number:
- 78-59-1
- Molecular formula:
- C9H14O
- IUPAC Name:
- 3,5,5-trimethylcyclohex-2-enone
- Test material form:
- liquid
- Remarks:
- yellow
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Details on inoculum:
- - Source: municipal WWTP Marl-West, sampled 17 Feb 1984
- Pretreatment: fed into test apparatus ca. 40 min after sampling - Duration of test (contact time):
- 3 h
Initial test substance concentration
- Initial conc.:
- 10.4 mg/L
- Based on:
- DOC
- Parameter followed for biodegradation estimation:
- DOC removal
Results and discussion
% Degradation
- % Degr.:
- 68.9
- St. dev.:
- 10.9
- Parameter:
- DOC removal
- Sampling time:
- 3 h
- Remarks on result:
- other: the mean of 24 measurements at approximately regular intervals
- Transformation products:
- not measured
Applicant's summary and conclusion
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
