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Diss Factsheets
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EC number: 205-472-3 | CAS number: 141-24-2
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
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:
- 2000
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Specific details on test material used for the study:
- None.
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Details on inoculum:
- The inoculum was collected in the secondary effluent of the municipal STEP of Versailles (78, France), one day prior to the experiment. The inoculum was kept under aeration. Before use, it was centrifuged at 4000 g for 20 minutes at 20°C. The pellet was resuspended in test medium. The prepared inocolum was then aerated before use. The final concentration of suspended solids under test conditions was 21 mg/L.
- Duration of test (contact time):
- 28 d
- Initial conc.:
- 248.5 other: mg O2 / L under test conditions, i.e. 100.8 mg of substance per L.
- Based on:
- ThOD
- Remarks:
- Theoretical chemical demand in oxygen determined for the whole substance according to NF T 90101 standard.
- Parameter followed for biodegradation estimation:
- O2 consumption
- Details on study design:
- The experimental setup was done according to OECD 301F guideline. The dispersing agents Synperonic P94 and P103 were used. The study was conducted with 100.8 mg of substance per liter of test medium. This corresponded to a chemical oxygen demand of 248.5 mg oxygen per liter of test medium. CO2 was trapped with KOH pellets. Oxygen consumption was monitored with a manometer throughout the experiment.
- Reference substance:
- benzoic acid, sodium salt
- Preliminary study:
- No preliminary study.
- Test performance:
- All validity criteria passed.
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- 78
- Sampling time:
- 27 d
- Details on results:
- 77% biodegradation of the substance was reached within 27 days. 10% biodegradation was reached within 1-2 days. 60% biodegradation was reached within the 10 following days. Therefore, the substance is considered readily biodegradable.
- Results with reference substance:
- Biodegradation of the reference substance was higher than 60% within 14 days.
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
- Conclusions:
- Methyl ricinoleate is readily biodegradable according to REACh regulation criteria.
- Executive summary:
A GLP study following OECD 301F test guideline was carried out for methyl ricinoleate. The inoculum was collected in a non-adapted secondary effluent of the municipal station of Versailles (78, France). Suspended solids concentration in the test medium under testing conditions was 21 mg/L. The chemical demand of the test item was determined in order to convert the biological demand in oxygen during the study into percentage of biodegradation. 10% biodegradation was reached within 1-2 days. 60% biodegradation was reached within the 10 following days. 77% biodegradation of the substance was reached within 27 d. Therefore, the substance is considered readily biodegradable.
Reference
Description of key information
A GLP study following OECD 301F test guideline was carried out for methyl ricinoleate. The inoculum was collected in a non-adapted secondary effluent of the municipal station of Versailles (78, France). Suspended solids concentration in the test medium under testing conditions was 21 mg/L. The chemical demand of the test item was determined in order to convert the biological demand in oxygen during the study into percentage of biodegradation. 10% biodegradation was reached within 1-2 days. 60% biodegradation was reached within the 10 following days. 77% biodegradation of the substance was reached within 27 d. Therefore, the substance is considered readily biodegradable.
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
Additional information
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.