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EC number: 404-910-2 | CAS number: 164578-14-7 PIGMENT ADDITIV C
- 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
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Sept - Nov 1989
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 990
- Report date:
- 1990
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- Version / remarks:
- 1984
- Deviations:
- yes
- Remarks:
- generated CO2 was captured by sodium hydroxide instead of barium hydroxide for analytical improvement
- Qualifier:
- according to guideline
- Guideline:
- other: guideline 3/449/EWG part C
- Deviations:
- yes
- Remarks:
- see OECD 301 B
- GLP compliance:
- yes
Test material
- Reference substance name:
- 2-(4-(diethylaminopropylcarbamoyl)phenylazo)-3-oxo-N-(2,3-dihydro-2-oxobenzimidazol-5-yl)butyramide
- EC Number:
- 404-910-2
- EC Name:
- 2-(4-(diethylaminopropylcarbamoyl)phenylazo)-3-oxo-N-(2,3-dihydro-2-oxobenzimidazol-5-yl)butyramide
- Cas Number:
- 164578-14-7
- Molecular formula:
- C25H31N7O4
- IUPAC Name:
- N-[3-(diethylamino)propyl]-4-[(1E)-2-{2-oxo-1-[(2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)carbamoyl]propyl}diazen-1-yl]benzamide
- Test material form:
- solid: bulk
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- sewage, domestic, non-adapted
- Details on inoculum:
- - Source of inoculum/activated sludge (e.g. location, sampling depth, contamination history, procedure): communal sewage plant, Franfurt-Sindlingen
- Preparation of inoculum for exposure: none
- Pretreatment: none - Duration of test (contact time):
- 28 d
Initial test substance concentrationopen allclose all
- Initial conc.:
- 10 mg/L
- Based on:
- test mat.
- Initial conc.:
- 20 mg/L
- Based on:
- test mat.
- Initial conc.:
- 6.09 other: mgC/L
- Based on:
- DOC
- Initial conc.:
- 12.17 other: mgC/L
- Based on:
- DOC
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- CO2 evolution
- Details on study design:
- TEST CONDITIONS
- Composition of medium: according to EEC Directive Section 1.6.4.2
- Additional substrate: none
- Test temperature: 22 +/- 2°C (airconditioned room)
- pH: 7
- pH adjusted: yes, in case of refernce sample (benzoic acid)
- Aeration of dilution water: application of CO2 purified air
TEST SYSTEM
- Culturing apparatus: 5L glas bottles with magnetic stirrer
- Number of culture flasks/concentration: 4
- Method used to create aerobic conditions: CO2 purified air was lead through the test solutions
- Measuring equipment: IONICS 1270 M and IONICS Model 555 TOC/TC analyser
- Details of trap for CO2: 3 traps filled with 100 mL 0.05 M NaOHeach per culture
SAMPLING
- Sampling frequency: days 3, 7, 14, 21 and 28
- Sampling method: 6 mL per sampling time
CONTROL AND BLANK SYSTEM
- Inoculum blank: yes
Reference substance
- Reference substance:
- other: benzoic acid
Results and discussion
% Degradation
- Key result
- Parameter:
- % degradation (CO2 evolution)
- Value:
- < 20
- Sampling time:
- 28 d
- Remarks on result:
- other: determined by modified Sturm test
- Details on results:
- Points of degradation (test substance):
1 % degradation after 28 d (6.09 mgC/L initial concentration)
2 % degradation after 14 d (12.17 mgC/L initial concentration)
3 % degradation after 21 d (12.17 mgC/L initial concentration)
4 % degradation after 28 d (12.17 mgC/L initial concentration)
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- not readily biodegradable
- Conclusions:
- The substance was experimentally determined to be not readily biodegradable.
- Executive summary:
From the results obtained under the experimental conditions employed, the evaluation of the biotic degradation of the test article using the modified Sturm test showed: Biodegradation of the test article after 28 days = 4 %. Theefore, the test item can be considered as: Not readily biodegradable.
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