Registration Dossier
Registration Dossier
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EC number: 283-882-1 | CAS number: 84775-52-0 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Curcuma longa, Zingiberaceae.
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:
- 70 days
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
- Report date:
- 2019
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Reference substance name:
- Curcuma longa, ext.
- EC Number:
- 283-882-1
- EC Name:
- Curcuma longa, ext.
- Cas Number:
- 84775-52-0
- Molecular formula:
- C15H22O
- IUPAC Name:
- (6S)-2-methyl-6-(4-methylphenyl)hept-2-en-4-one and 2-Methyl-6-(4-methylcyclohexa-2,4-dien-1-yl)hept-2-en-4-one and 2-methyl-6-(4-methylidene-1-cyclohex-2-enyl)hept-2-en-4-one
- Test material form:
- liquid: viscous
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- sewage, predominantly domestic (adaptation not specified)
Results and discussion
% Degradation
- Key result
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 73.21
- Remarks on result:
- other: The results of the Co2 evolution test indicated that the test item is readily Biodegradable to OECD criteria .
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
- Conclusions:
- The Turmeric Oil is readily Biodegradable on 28days (% of TH Co2) under the conditions of the Co2 evolution test according to OECD Guidelines for Testing of Chemicals Section 3 No. 301B.
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