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A mixture of: disodium 6-[3-carboxy-4,5-dihydro-5-oxo-4-sulfonatophenyl)pyrazolin-4-yl-azo]-3-[2-oxido-4-(ethensulfonyl)-5-methoxyphenylazo]-4-oxidonaphthalene-2-sulfonate copper (II) complex; disodium 6-[3-carboxy-4,5-dihydro-5-oxo-4-sulfonatophenyl)pyrazolin-4-yl-azo]-3-[2-oxido-4-(2-hydroxyethylsulfonyl)-5-methoxyphenylazo]-4-oxidonaphthalene-2-sulfonate copper (II) complex
EC number: 423-940-7 | CAS number: 85585-91-7 PACIFIED REACTIVE BLACK 31
- 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
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 30 January 1996 to 14 February 1996
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 996
- Report date:
- 1996
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- flask method
Test material
- Reference substance name:
- A mixture of: disodium 6-[3-carboxy-4,5-dihydro-5-oxo-4-sulfonatophenyl)pyrazolin-4-yl-azo]-3-[2-oxido-4-(ethensulfonyl)-5-methoxyphenylazo]-4-oxidonaphthalene-2-sulfonate copper (II) complex; disodium 6-[3-carboxy-4,5-dihydro-5-oxo-4-sulfonatophenyl)pyrazolin-4-yl-azo]-3-[2-oxido-4-(2-hydroxyethylsulfonyl)-5-methoxyphenylazo]-4-oxidonaphthalene-2-sulfonate copper (II) complex;
- EC Number:
- 423-940-7
- EC Name:
- A mixture of: disodium 6-[3-carboxy-4,5-dihydro-5-oxo-4-sulfonatophenyl)pyrazolin-4-yl-azo]-3-[2-oxido-4-(ethensulfonyl)-5-methoxyphenylazo]-4-oxidonaphthalene-2-sulfonate copper (II) complex; disodium 6-[3-carboxy-4,5-dihydro-5-oxo-4-sulfonatophenyl)pyrazolin-4-yl-azo]-3-[2-oxido-4-(2-hydroxyethylsulfonyl)-5-methoxyphenylazo]-4-oxidonaphthalene-2-sulfonate copper (II) complex;
- Cas Number:
- 85585-91-7
- IUPAC Name:
- 4-[2-(7-{2-[4-(ethenesulfonyl)-2-hydroxy-5-methoxyphenyl]diazen-1-yl}-8-hydroxy-6-sulfonaphthalen-2-yl)diazen-1-yl]-5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid 4-[2-(8-hydroxy-7-{2-[2-hydroxy-4-(2-hydroxyethanesulfonyl)-5-methoxyphenyl]diazen-1-yl}-6-sulfonaphthalen-2-yl)diazen-1-yl]-5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid dicopper tetrasodium hydride
- Test material form:
- solid
Constituent 1
- Specific details on test material used for the study:
- Identification: Pacified Reactive Black 31
Description: Dark blue crystals
Batch: 9T-55
Purity: 89%
Storage: At room temperature in the dark
Stability under storage conditions: Stable
Results and discussion
Water solubility
- Key result
- Water solubility:
- > 560 g/L
- Conc. based on:
- test mat.
- Temp.:
- 20 °C
- pH:
- ca. 7
- Details on results:
- Preliminary test
The water solubility estimated from the preliminary test was >560 g/l. The actual concentration was >95% of the nominal concentration. Thus, almost all the test substance was dissolved.
No significant differences were observed between the concentrations analysed after the first and second centrifugation step.
The test substance / water mixture from the preliminary test was very viscous. It is to be expected that the viscosity of the mixture will increase even further, when more test substance is added.
Probably the viscosity will then become so high that stirring of the mixture is no longer possible.
For this reason, no further tests were conducted. Because it was not possible to stir a more concentrated solution the main study was not performed.
Applicant's summary and conclusion
- Conclusions:
- The test substance / water mixture from the preliminary test was very viscous. It is to be expected that the viscosity of the mixture will increase even further, when more test substance is added.
Probably the viscosity will then become so high that stirring of the mixture is no longer possible.
For this reason, no further tests were conducted. Because it was not possible to stir a more concentrated solution the main study was not performed. - Executive summary:
The determination of the water solubility was based on the following guidelines:
OECD Guideline for the Testing of Chemicals No.105: "Water solubility (column elution method - flask method)", adopted May 12, 1981.
EEC Directive 92/69 EEC, Part A, Methods for the determination of physico-chemical properties, A.6: "Water solubility". EEC Publication no. L383, December 1992.
The water solubility from the preliminary test was >560 g/l. The actual concentration was >95% of the nominal concentration. Thus almost all of the test substance was dissolved.
No significant differences were observed between the concentrations analysed after the first and second centrifugation steps.
The test substance / water mixture from the preliminary test was very viscous. It is to be expected, that the viscosity of the mixture will increase even further, when more test substance is added.
Probably, the viscosity will then become so high, that stirring of the mixture is no longer possible.
For this reason, no further tests were conducted. Because it was not possible to stir a more concentrated solution the main study was not perfomed.
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