Registration Dossier
Registration Dossier
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 685-515-4 | CAS number: 10309-37-2
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- 4-[(1E,3S)-3-ethenyl-3,7-dimethylocta-1,6-dien-1-yl]phenol
- EC Number:
- 685-515-4
- Cas Number:
- 10309-37-2
- Molecular formula:
- C18H24O
- IUPAC Name:
- 4-[(1E,3S)-3-ethenyl-3,7-dimethylocta-1,6-dien-1-yl]phenol
Constituent 1
Study design
- Inoculum or test system:
- natural water
- Details on inoculum:
- The river water collected from Daman Ganga River was used as inoculum. The river water was filtered through Whatman No 1 filter paper and incubated at test temperature 20 ± 1℃ in incubator for one day.
- Duration of test (contact time):
- ca. 28 d
Initial test substance concentrationopen allclose all
- Initial conc.:
- ca. 2 mg/L
- Based on:
- test mat.
- Initial conc.:
- ca. 7.98 mg/L
- Based on:
- other: dissolved oxygen
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Reference substance
- Reference substance:
- other: Potassium hydrogen phthalate
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (O2 consumption)
- Value:
- ca. 22.82
- Sampling time:
- 7 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- ca. 27.93
- Sampling time:
- 14 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- ca. 36.96
- Sampling time:
- 21 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- ca. 55.7
- Sampling time:
- 28 d
BOD5 / COD results
- Results with reference substance:
- 7d, 34.72%
14d, 66.89%
21d, 77.62%
28d, 87.66%
Any other information on results incl. tables
The degradation for reference substance (toxicity control) on 7d, 14d, 21d, and 28d were 36.26, 69.45, 79.32 and 90.21%, respectively. So no adverse effects of test substance on inoculum.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- other: not readily biodegradable
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.
