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Diss Factsheets
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EC number: 235-878-6 | CAS number: 13019-22-2
- 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:
- February 22, 2000 - March 20, 2000
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 301 C (Ready Biodegradability: Modified MITI Test (I))
- Qualifier:
- according to guideline
- Guideline:
- other: Method for Testing the Biodegradability of Chemical Substances by Microorganisms
- Version / remarks:
- “Testing Methods for New Chemical Substances” (July 13, 1974, Kanpogyo No.5,
Planning and Coordination Bureau, Environment Agency, Yakuhatu No.615,
Pharmaceutical Affairs Bureau, Ministry of Health and Welfare, and 49 Kikyoku
No. 392, Basic Industries Bureau, Ministry of International Trade and Industry,
Japan) - GLP compliance:
- not specified
- Remarks:
- Study carried out outside the EU.
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- other: Mixture City sewage, river, lake and sea
- Details on inoculum:
- City sewage: Return sludge from sewage plants were collected.
River, lake and sea: Surface water and surface soil which are in contact with the atmosphere were collected.
Cultivation:
In about 30 minutes after ceasing the aeration of the sludge mixture, supernatant corresponding to about 1/3 of the whole volume was removed.
Then an equal volume of 0.1(w/v)% fresh synthetic sewage was added to the remaining portion and the mixture was aerated again. This procedure was repeated once every day. The cultivation was carried out at 25±2°C.
Cultivation temperature: 25 +/- 1°C
Cultivation duration: 28 days - Duration of test (contact time):
- 28 d
- Initial conc.:
- 100 mg/L
- Based on:
- test mat.
- Parameter followed for biodegradation estimation:
- O2 consumption
- Details on study design:
- (1) Control blank (n=1, Vessel #1)
In one test vessel, 10mL of the activated sludge was added to 290mL of the basal culture medium, so that the concentration of the activated sludge reached 30mg/L.
(2) Sludge + aniline (n=1, Vessel #10)
In one test vessel, 30mg of aniline and 10mL of the activated sludge was added to 290mL of the basal culture medium, so that the concentration of aniline and the activated sludge reached 100mg/L and 30mg/L, respectively.
(3) Sludge + test item (Test substance, n=2, Vessel #8 and 9)
In each test vessel, 30mg of the test item and 10mL of the activated sludge was added to 290mL of the basal culture medium, so that the concentration of the test item and the activated sludge reached 100mg/L and 30mg/L, respectively. - Reference substance:
- aniline
- Key result
- Parameter:
- other: Percentage biodegradation by BOD
- Value:
- 60
- Sampling time:
- 28 d
- Key result
- Parameter:
- other: Percentage biodegradation by GC
- Value:
- 100
- Sampling time:
- 28 d
- Details on results:
- The average percentage biodegradation by BOD and GC were 60% and 100%, respectively. In addition, growth of the sludge was observed in the vessels of #8 and 9.
- Key result
- Parameter:
- ThOD
- Value:
- >= 90.57 - <= 91.16 mg O2/g test mat.
- Results with reference substance:
- ThOD: 93.21
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
- Conclusions:
- From the above result, it was concluded that test material was biodegraded by the activated sludge.
Reference
Description of key information
According to the test conditions following TG 301C, it was concluded that test material was biodegraded by the activated sludge.
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.