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EC number: 411-700-4 | CAS number: 140921-24-0 HÄRTER VERSUCHSPRODUKT LS 2959E; HÄRTER VP LS 2959E
- 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:
- from 1990-09-12 to 1990-10-10
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Qualifier:
- according to guideline
- Guideline:
- other: Biologische Abbaubarkeit - Respirometer test. The test was performed in accordance with regulation (EC) 79/831 EWG Annex V. Modifications were done in accordance with EEC Directive 79/831 (Painter).
- GLP compliance:
- yes
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, non-adapted
- Details on inoculum:
- - Source of inoculum/activated sludge: 10 L laboratory (Wupperverband)
- Sampling date: 12.09.1990
- Pretreatment: no - 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:
- Procedure:
The test item was dissolved and suspendeed, respectively, in non-mineralic medium. Afterwards non-adapted activated sludge was added. After 28 days exposure (contact time) the oxygen consumption was measured in a closed respirometer (at a temperature of 20 ± 1 °C) automatically. The biological degradation was determined as the oxygen consumption (%) based on the theoretical oxygen demand (TOD) and CSB (corrected by the oxygen demand of the blank), respectively.
Others:
- Amount of substance: 100 mg/L
- TOD (Theoretical oxygen demand): 2646 mg/L
- Concentration of inoculum: 30 mg/L - Reference substance:
- aniline
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- 43
- Sampling time:
- 28 d
- Details on results:
- Time (days) / oxygen consumption mg/L of test item; blank / biodegradation (%)
- 2 / 10; 7 / 1
- 6 /93; 14 / 30
- 8 / 110; 18 / 35
- 12 / 129; 22 / 40
- 14 / 133; 23 / 42
- 16 / 136; 24 / 42
- 20 / 142; 29 / 43
- 22 / 145; 32 / 43
- 26 / 147; 33 / 43
- 28 / 148; 33 / 43
The theoretical oxygen demand of NO3- was used as reference for the calculation of the biodegradation. - Results with reference substance:
- Aniline showed 61 % biodegradation after 28 days.
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- inherently biodegradable, fulfilling specific criteria
- Conclusions:
- The test item was biodegraded 43 % at day 28 in the test using a closed respirometer. The test item was considered inherently biodegradable.
- Executive summary:
A ready biodegradability test with the test item was performed which allows the biodegradability to be measured in an aerobic aqueous medium. The ready biodegradability was determined using a closed respirometer according to test method outlined in EEC Directive 79/831. The test item was biodegraded 43 % at day 28. Therefore, the test substance was considered inherently biodegradable.
Reference
Based on the results with the reference substance the study result was considered valid.
Description of key information
The test item was biodegraded 43 % at day 28 in the test using a closed respirometer. The test item was considered to be inherently biodegradable.
Key value for chemical safety assessment
- Biodegradation in water:
- inherently biodegradable, fulfilling specific criteria
- Type of water:
- freshwater
Additional information
A ready biodegradability test with the test item was performed which allows the biodegradability to be measured in an aerobic aqueous medium. The ready biodegradability was determined using a closed respirometer according to test method outlined in EEC Directive 79/831. The test item was biodegraded 43 % at day 28. Therefore, the test substance was considered to be inherently biodegradable.
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