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Diss Factsheets
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EC number: 210-933-7 | CAS number: 626-17-5
- 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:
- 15 November 1976 - 28 December 1976
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Justification for type of information:
- Study conducted by Japanese laboratories at the request of Japanese government. Report is translated by approved translation company.
- Qualifier:
- according to guideline
- Guideline:
- other: Environmental Protection Bureau Ordinance No. 5
- Deviations:
- not specified
- Qualifier:
- according to guideline
- Guideline:
- other: Pharmaceutical Affairs Bureau Ordinance No. 615
- Deviations:
- not specified
- Qualifier:
- according to guideline
- Guideline:
- other: Basic Industries Ordinance No. 49-392
- Deviations:
- not specified
- GLP compliance:
- not specified
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge (adaptation not specified)
- Duration of test (contact time):
- 4 wk
- Initial conc.:
- 30 other: ppm
- Based on:
- TOC
- Parameter followed for biodegradation estimation:
- O2 consumption
- Details on study design:
- Degree of Decomposition (%) = {[(Residue in Water System/Recovery Rate in Water System) - (Residue in Sludge System/Recovery Rate in Sludge System)]/[ Residue in Water System/Recovery Rate in Water System]} x 100
- Reference substance:
- other:
- Remarks:
- Sludge concentration 1000ppm
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- 5.8
- Sampling time:
- 4 wk
- Results with reference substance:
- A reference test was conducted over a testing period of 4 weeks in an open system at a sludge concentration of 1000 ppm, a sample concentration of 30 ppm, and at n = 3.
Results from GC analysis = 7.5% decomposition - Interpretation of results:
- not readily biodegradable
- Conclusions:
- A reference test was conducted over a testing period of 4 weeks in an open system at a sludge concentration of 1000 ppm, a sample concentration of 30 ppm, and at n = 3.
Results from GC analysis was 5% decomposition. As the criteria for readily biodegardion was not acheived the test substance is therefore not readily biodegradable. - Executive summary:
A reference test was conducted over a testing period of 4 weeks in an open system at a sludge concentration of 1000 ppm, a sample concentration of 30 ppm, and at n = 3.
Results from GC analysis was 5% decomposition. As the criteria for readily biodegardion was not acheived the test substance is therefore not readily biodegradable.
Reference
Test Results
|
Degree of Decomposition (%) |
Appended Figure |
Appended Table |
Results from Oxygen Consumption |
0 |
1 |
- |
Results from GC |
5.8 |
2 |
1 |
Reference Test
A reference test was conducted over a testing period of 4 weeks in an open system at a sludge concentration of 1000 ppm, a sample concentration of 30 ppm, and at n = 3.
Results
|
Degree of Decomposition (%) |
Appended Figure |
Appended Table |
Results from GC |
7.5 |
2 |
1 |
6. Notes
Because the recovery rate depends on the sludge concentration, the recovery rate was determined for each concentration.
The degree of decomposition was calculated as a reference value while taking the recovery rate into account.
Equation
Degree of Decomposition (%) = {[(Residue in Water System/Recovery Rate in Water System) - (Residue in Sludge System/Recovery Rate in Sludge System)]/[ Residue in Water System/Recovery Rate in Water System]} x 100
Results from GC Measurements
|
Recovery Rate |
Degree of Decomposition (%) |
Water System |
95.6 |
- |
Sludge Concentration 100 ppm |
91.1 |
1.2 |
Sludge Concentration 1000 ppm |
87.8 |
5.0 |
Description of key information
A reference test was conducted over a testing period of 4 weeks in an open system at a sludge concentration of 1000 ppm, a sample concentration of 30 ppm, and at n = 3.
Results from GC analysis was 5% decomposition. As the criteria for readily biodegradation was not achieved the test substance is therefore not readily biodegradable.
Key value for chemical safety assessment
- Biodegradation in water:
- under test conditions no biodegradation observed
- 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.