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EC number: 205-785-5 | CAS number: 151-13-3
- 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:
- January 12 2018 to February 17 2018
- Reliability:
- 1 (reliable without restriction)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- Version / remarks:
- 1992
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.4-C (Determination of the "Ready" Biodegradability - Carbon Dioxide Evolution Test)
- Version / remarks:
- Directive 92/69/EEC Annex V
- Deviations:
- no
- GLP compliance:
- yes
- Specific details on test material used for the study:
- The test substance is listed as Butyl Ricinoleate (CAS 151-13-3). The test substance consists of a liquid and was obtained from the Sponsor, Vertellus Holdings LLC and stored at ambient conditions.
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic (adaptation not specified)
- Details on inoculum:
- Activated sludge was collected from the Easton Wastewater Treatment Facility, Easton, Maryland on January 12, 2018. The Easton facility treats predominantly residential wastes. The sludge was sieved using a 2-mm screen, adjusted to approximately 1,000 mg total suspended solids/L with mineral media and then aerated at 20 ± 3˚C for approximately 48 hours prior to use.
- Duration of test (contact time):
- 28 d
- Initial conc.:
- 10 mg/L
- Based on:
- TOC
- Initial conc.:
- 0.04 other: g
- Based on:
- test mat.
- Parameter followed for biodegradation estimation:
- CO2 evolution
- Details on study design:
- The test contained a blank control group, a reference group, a treatment group and a single toxicity control. Each group contained three replicate test chambers. The control group was used to measure the background CO2 production of the inoculum and was not dosed with a carbon source. The reference group chambers were used to check the viability of the inoculum and were dosed with sodium benzoate, a substance known to be biodegradable, at a nominal concentration of 10 mg C/L. The treatment group chambers were used to evaluate the test substance at a nominal concentration of 10 mg C/L. The toxicity control was used to evaluate toxicity of the test substance to the inoculum and was dosed with both the reference (10 mg C/L) and test (10 mg C/L) substances.
- Reference substance:
- benzoic acid, sodium salt
- Key result
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 90.2
- Sampling time:
- 28 d
- Validity criteria fulfilled:
- yes
- Remarks:
- IC content <5% (protocol ≤ 5%); CO2 emitted by controls < 40 mg/L (protocol <70 mg/L); difference replicates less than 20% (protocol ≤20 %); degradation positive control >60% at 6 d (protocol ≤14 d); degradation toxicity d 3, >25% (protocol ≥25%).
- Interpretation of results:
- readily biodegradable
- Conclusions:
- The test substance is considered as “readily biodegradable”. The test substance reached 90.2% biodegradation after 28 d, meeting the 10-day window.
Reference
Description of key information
The key study was a CO2 evolution test conducted in accordance with OECD Guideline 301B. The substance was found to be readily biodegradable in a test conducted in accordance with OECD Guideline 301B. The biodegradation was reported as 90.2% after 28 days, meeting the 10-day window.
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
- Type of water:
- freshwater
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.