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EC number: 255-965-2 | CAS number: 42844-93-9
- 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
Solubility in organic solvents / fat solubility
Administrative data
- Endpoint:
- solubility in organic solvents / fat solubility
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Remarks:
- Test procedure according to method of Analytical Expert Group ETAD (Ecological and Toxicological Association of Dyes and Organic Pigment Manufacturer)
Cross-referenceopen allclose all
- Reason / purpose for cross-reference:
- reference to same study
Reference
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Remarks:
- test procedure similar to OECD 105
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Deviations:
- yes
- Remarks:
- modified takint into account the very low solubility of the test substance
- Principles of method if other than guideline:
- Test procedure according to method of Analytical Expert Group ETAD (Ecological and Toxicological Association of Dyes and Organic Pigment Manufacturer)
- Type of method:
- flask method
- Water solubility:
- 12.5 µg/L
- Temp.:
- 23 °C
- pH:
- 6.2
- Remarks on result:
- other: mean of 2 measurements
- Conclusions:
- the test substance is practically insoluble in water (< 0.1 mg/L)
The solubility of the sample Pigment Orange 68 in water at ambient temperature, determined under the conditions as mentioned above, is 12.5 µg/L (mean, n = 2, sigma = 0.5).
Table 1: Individual results
Absorption (d = 10 cm) | µg/L | |
a1 | 0.0069 | 12.1 |
a2 | 0.0073 | 12.8 |
- Reason / purpose for cross-reference:
- reference to same study
Reference
- 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
- Remarks:
- Procedure according to method of Analytical Expert Group ETAD (Ecological and Toxicological Association of Dyes and Organic Pigment Manufacturer); method similar to Annex V, A.8, 1.6.1, Directive 67/548/EEC
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- other: ETAD Analytical Expert Group
- Version / remarks:
- method for substances with very low solubility in both, water and n-octanol
- Principles of method if other than guideline:
- Based on the determined solubilities in water and in n-octanol the partition coefficient is estimated
- Type of method:
- estimation method (solubility ratio)
- Partition coefficient type:
- octanol-water
- Type:
- log Pow
- Partition coefficient:
- 1.2
- Temp.:
- 23 °C
- pH:
- 6.2
- Type:
- Pow
- Partition coefficient:
- 16
- Temp.:
- 23 °C
- pH:
- 6.2
Solubility of Pigment Orange 68 in n-octanol: 200 µg/L
Water solubility of Pigment Orange 68: 12.5 µg/L
Pow PO 68 = 16
log Pow PO 68 = 1.20
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 015
- Report date:
- 2015
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Analytical Expert Group ETAD
Test material
- Reference substance name:
- [1,3-dihydro-5,6-bis[[(2-hydroxy-1-naphthyl)methylene]amino]-2H-benzimidazol-2-onato(2-)-N5,N6,O5,O6]nickel
- EC Number:
- 255-965-2
- EC Name:
- [1,3-dihydro-5,6-bis[[(2-hydroxy-1-naphthyl)methylene]amino]-2H-benzimidazol-2-onato(2-)-N5,N6,O5,O6]nickel
- Cas Number:
- 42844-93-9
- Molecular formula:
- C29H18N4NiO3
- IUPAC Name:
- Nickel, [1,3-dihydro-5,6-bis[[[2-(hydroxy-kO)-1-naphthalenyl]methylene]amino-kN]-2H-benzimidazol-2-onato(2-)]-, (SP-4-2)-
- Test material form:
- solid: nanoform
Constituent 1
Results and discussion
Solubility in organic solvents / fat solubility
- Medium:
- n-octanol
- Solubility:
- 200 µg/L
- Temp.:
- 23 °C
- Remarks on result:
- other: mean of 3 measurements
- Test substance stable:
- yes
Any other information on results incl. tables
The solubility of the sample Pigment Orange 68 in n-octanol at ambient temperature, determined under the conditions as mentioned above, is 200 µg/L (mean, n = 3, sigma= 6).
Table 1: Individual results
Adsorption (d = 10 cm) | µg/L | |
a1 | 0.111 | 195 |
a2 | 0.113 | 199 |
a3 | 0.117 | 206 |
Applicant's summary and conclusion
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