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EC number: 305-170-2 | CAS number: 94349-52-7
- 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
Additional information on environmental fate and behaviour
Administrative data
- Endpoint:
- additional information on environmental fate and behaviour
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- from 1999-04-27 to 1999-04-28
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: GLP study but not performed according to internationally accepted guidelines.
Data source
Referenceopen allclose all
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 999
- Report date:
- 1999
- Reference Type:
- publication
- Title:
- Development of a method for adsorption of dyestuffs on activated sludge
- Author:
- Pagga et al.
- Year:
- 1 994
- Bibliographic source:
- Water Research No. 28 (Pages 1051 -1057)
Materials and methods
Test guideline
- Qualifier:
- no guideline available
- Principles of method if other than guideline:
- The test was performed according to Pagga el al. (1994): Development of a method for adsorption of dyestuffs on activated sludge in Water Research No. 28, pages 1051 -1057. The adsorption test is a static method to evaluate the adsorption potential of dyestuffs (water soluble dyestuffs and stable dispersions) on activated sludge. The dyestuffs were incubated in a defined test mixture with activated sludge from a biological waste water treatment plant. After 24 hours and after up to 6 days, samples were taken and analysed for their colour and dissolved organic carbon (DOC). For dispersions only a colour measurement was performed after dissolving in a suitable solvent. The measured values were compared with the values for the dyestuffs before the sludge was added. The elimination was calculated and reported in per cent.
- GLP compliance:
- yes
Test material
- Reference substance name:
- N-ethyl-4-[[4-(ethylamino)-m-tolylphenyl][4-(ethylimino)-3-methylcyclohexa-2,5-dien-1-ylidene]methyl]-m-toluidine monoacetate
- EC Number:
- 305-170-2
- EC Name:
- N-ethyl-4-[[4-(ethylamino)-m-tolylphenyl][4-(ethylimino)-3-methylcyclohexa-2,5-dien-1-ylidene]methyl]-m-toluidine monoacetate
- Cas Number:
- 94349-52-7
- Molecular formula:
- C28H38N3.C2H3O2
- IUPAC Name:
- [4-[bis[4-(ethylamino)-3-methyl-phenyl]methylene]-2-methyl-cyclohexa-2,5-dien-1-ylidene]-ethyl-ammonium;acetate
- Details on test material:
- - Chemical name: Benzenamine, N-ethyl-4-[[4-(ethylamino)-3-methylphenyl][4-(ethylimino)-3 methyl-2,5-cyclohexadien-1 -ylidene]methyl]-2-methyl-, monoacetate
- Purity of the test substance: Please refer Section 1.1 and 1.2
- Date of production: 13/14 Dec. 1998
- Aggregate state: liquid
- Water solubility: infinitely miscible
- Colour: dark violet
- Homogeneity: homogeneous
- Instable against:
a) heat: yes, up to 500 °C;
b) light: not known;
c) O2: not known;
d) water: not known;
e) acid: not known
f) alkali: yes
- Limitation for storage: Yes: 12 months
- Special conditions for storage: No
Constituent 1
Results and discussion
Any other information on results incl. tables
95 % colour decreased after 3 hours and 97 % colour decreased after 24 hours. In this case DOC-elimination was not determined. It can be assumed that there will be sufficient elimination of the test substance (dyestuff) in waste water treatments plants.
Applicant's summary and conclusion
- Conclusions:
- The adsorption/desorption test was performed according to an internal BASF method. The adsorption of the test substance on activated sludge was measured dependent on the decrease in colour and DOC on activated sludge. 95 % colour decreased after 3 hours and 97 % colour decreased after incubation for 24 hours. Therefore it can be assumed that there will be sufficient elimination of the test substance (dyestuff) in waste water treatments plants.
- Executive summary:
The adsorption/desorption test was performed according to an internal BASF method in static conditions to evaluate the adsorption potential of the test substance (water soluble dyestuffs and stable dispersion) on activated sludge (BASF AG, 1999). The test substance was incubated in a defined test mixture with activated sludge from a biological waste water treatment plant. The adsorption of the test substance on activated sludge was measured dependent on the decrease in colour and DOC on activated sludge.
The activated sludge used came from a laboratory wastewater plants treating municipal and synthetic sewage. The concentration of the activated sludge (dry substance) was 3 g/L and the concentration of the test substance was 556 mg/L TOC value (equivalent to 549 mg/L DOC). The adsorption degree at 573 nm (0.9 Extinction value) was equivalent to 12 mg/L test substance.
The test substance was sufficiently eliminable from water, therefore it can be assumed that there will be sufficient elimination of the test substance (dyestuff) in waste water treatments plants. At the end of the test 95 % colour decreased after 3 hours and 97 % colour decreased after incubation for 24 hours.
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