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EC number: 201-353-5 | CAS number: 81-48-1
- 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
Partition coefficient
Administrative data
Link to relevant study record(s)
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Qualifier:
- according to guideline
- Guideline:
- other: Measurements of Octanol and Water solubility of Pigments (2006), carried out by ETAD Member companies. Data ownership is with ETAD.
- Version / remarks:
- January 12, 2005
- Deviations:
- no
- Principles of method if other than guideline:
- WATER
About 5 mg of the test sample were suspended in 30 ml water (bi dest.) in a sample flask (standard flask for the Büchi Rack R-24, volume 30 ml (Art.-No. 038469)) and were shaken for two hours at 30°C (+/- 2°C) on a “Büchi Syncore Polyvap” (laboratory shaking machine) with 400 rpm. Then shaking was continued at ambient temperature (24 – 25°C) for 70 hours, followed by filtration through a 0.05 μm membrane filter (Fa. Schleicher und Schuell, NC 05, Ref.-No.: 402110) (on the filter there remained a residue of not dissolved colorant).
The resulting clear solution was measured by UV-vis spectrometry and the absorption was determined at 583 nm. The concentration of the sample could be determined by applying the Lambert-Beer rule. A calibration curve of Solvent Violet 13 in DMSO (Merck, für die Spektroskopie “Uvasol”, Bestell-Nr.: 1.02950.2500) was used for that purpose.
The determination was repeated for three times.
OCTANOL
About 20 mg of the test sample were suspended in 30 ml octanol (Aldrich, spectrophotometric grade) in a sample flask (standard flask for the Büchi Rack R-24, volume 30 ml (Art.-No. 038469)) and were shaken for two hours at 30°C (+/- 2°C) on a “Büchi Syncore Polyvap” (laboratory shaking machine) with 400 rpm. Then shaking was continued at ambient temperature (24 – 25°C) for 70 hours, followed by filtration through a 0.2 μm membrane filter (Fa. Schleicher und Schuell, TE 35, Ref.-No.: 411411) and then through two 0.2 μm membrane filters (Fa. Schleicher und Schuell, TE 35, Ref.-No.: 411411) (on the filter there remained a residue of not dissolved colorant).
The resulting clear solution was measured by UV-vis spectrometry and the absorption was deter-mined at 585 nm. The concentration of the sample could be determined by applying the Lam-bert-Beer rule. A calibration curve of Solvent Violet 13 in DMSO (Merck, für die Spektroskopie “Uvasol”, Bestell-Nr.: 1.02950.2500) was used for that purpose.
The determination was repeated for three times. - GLP compliance:
- no
- Type of method:
- flask method
- Partition coefficient type:
- octanol-water
- Specific details on test material used for the study:
- Purity: 100 % (pure)
Trade name: Solvent Violet 13
Batch No.: 0832B
CLAS Order No: 06-06078 - Analytical method:
- photometric method
- Type:
- log Pow
- Partition coefficient:
- 4.26
- Temp.:
- 25 °C
- Remarks on result:
- other: pH not reported
- Details on results:
- Solubilities of the test item measured at ambient temperature (24-25 °C):
- In water: 0.93 mg/L
- In octanol: 170 mg/L
Based on the calibration curve of the test item in DMSO (Merck, "Uvasol”) the concentration of the sample was determined by applying the Lambert-Beer rule. - Conclusions:
- The partition coefficient (logPow) of Solvent Violet 13 was estimated to be 4.26 at 25 °C.
- Executive summary:
The partition coefficient (logPow) of Solvent Violet 13 was estimated to be 4.26 based on solubilities in water (0.93 mg/L) and octanol (170 mg/L) measured at ambient conditions (24-25 °C).
Reference
Individual results:
Water
Absorption (d = 10 cm) | µg/L | |
a1 | 0.001719 | 10.1 |
a2 | 0.002142 | 11.3 |
a3 | 0.000401 | 6.6 |
Octanol
Absorption (d = 10 cm, dilution 1:50) | g/L | |
a1 | 0.1245 | 0.17 |
a2 | 0.1269 | 0.17 |
a3 | 0.1349 | 0.18 |
Description of key information
The partition coefficeint (logPow) for Solvent Violet 13 was estimated to be 4.26 at 25 °C.
Key value for chemical safety assessment
- Log Kow (Log Pow):
- 4.26
- at the temperature of:
- 25 °C
Additional information
The estimation of the partition coefficeint (logPow) was based on the solubilities for Solvent Violet 13 in water (0.0093 mg/L) and octanol (170 mg/L) measured at ambient conditions (24-25 °C).
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