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Diss Factsheets
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EC number: 947-993-5 | CAS number: -
- 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
Endpoint summary
Administrative data
Description of key information
The test item was determined to be not readily biodegradable but the results of the test can be used to support inherent biodegradability (OECD 301 F).
Additional information
Biodegradation
GUIDELINE
The objective of the study was to evaluate the test item for its ready biodegradability in an aerobic aqueous medium with microbial activity introduced by inoculation with activated sludge; Manometric Respirometry Test. Study procedures were conducted in compliance with OECD Guideline 301F, Section 3. Degradation and Accumulation. "Ready Biodegradability: Manometric Respirometry Test", (adopted July 17, 1992).
METHODS
The test item was a clear colourless liquid with a purity of 84.1%. The Theoretical Oxygen Demand with full nitrification (ThODNO3) of test item was calculated to be 2.62 mg O2/mg. The test item was tested in duplicate at a target concentration of 30.5 mg/L, corresponding to a ThODNO3 of 80 mg O2/L. The ThODNO3 was based on the results of elemental composition analysis and was confirmed by TOC analysis. The study consisted of six bottles: 2 inoculum blanks (no test item); 2 test bottles (test item); 1 procedure control (1-octanol) and; 1 toxicity control (test item plus 1-octanol).
The test item was added directly to the inoculated mineral medium. The test solutions were continuously stirred during the test to ensure optimal contact between the test item and test organisms. Test duration was 28 days. In order to transfer test item to the test vessels, the required amounts were pipetted directly into the test bottles containing medium with microbial organisms and mineral components.
RESULTS
The relative biodegradation values calculated from the measurements performed during the test period revealed 59 % and 47 % biodegradation of test item based on ThODNO3, for the duplicate bottles tested. Thus, the criterion for ready biodegradability (at least 60% biodegradation within a 10-day window) was not met. In the toxicity control, test item was found not to inhibit microbial activity. Since all criteria for acceptability of the test were met, this study was considered to be valid.
CONCLUSION
The test item was not readily biodegradable under the conditions of the Manometric Respirometry Test presently performed. However, since the results of the present test indicate that the pass level criterion was almost fulfilled the results can be used to support inherent biodegradability.
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