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EC number: 230-258-1 | CAS number: 6992-11-6
Substance identity
Identification
- Display Name:
- 4-[(2,5-dichlorophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide
- EC Number:
- 230-258-1
- EC Name:
- 4-[(2,5-dichlorophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide
- CAS Number:
- 6992-11-6
- Molecular formula:
- C24H15Cl2N5O3
- IUPAC Name:
- 4-[(1E)-2-(2,5-dichlorophenyl)diazen-1-yl]-3-hydroxy-N-(2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)naphthalene-2-carboxamide
Type of Substance
- Composition:
- mono-constituent substance
- Origin:
- organic
Substance Identifiers open all close all
Compositions
Boundary Composition(s) open all close all
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 4-[(2,5-dichlorophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide
- EC Number:
- 230-258-1
- EC Name:
- 4-[(2,5-dichlorophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide
- CAS Number:
- 6992-11-6
- Molecular formula:
- C24H15Cl2N5O3
- IUPAC Name:
- 4-[(1E)-2-(2,5-dichlorophenyl)diazen-1-yl]-3-hydroxy-N-(2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)naphthalene-2-carboxamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Brown 25 - joint submission
Shape
Shape descriptionopen allclose all
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- no
- Range:
- > 30 - < 80 %
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- no
- Range:
- > 0 - < 30 %
- Shape category:
- spheroidal
- Shape:
- cubic
- Pure shape:
- no
- Range:
- > 70 - < 100 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Range:
- >= 0.01 - <= 0.03 μm
- Percentile:
- D50
- Range:
- > 0.015 - < 0.04 μm
- Percentile:
- D90
- Range:
- > 0.02 - < 0.05 μm
- Range of length:
- > 0.01 - < 0.205 μm
- Range of aspect ratio (:1):
- >= 3 - <= 5.2
- Additional information:
- The determined particle size distribution relates to both shape categories. Due to the very low number of elongated particles, no separate evaluation for rods had been conducted. The smallest dimension of all particles had been considered.
- Fraction of constituent particles in the size range 1-100 nm:
- >= 90 - ca. 100 %
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Range:
- > 0.01 - < 0.03 μm
- Percentile:
- D50
- Range:
- > 0.015 - < 0.04 μm
- Percentile:
- D90
- Range:
- > 0.02 - < 0.05 μm
- Additional information:
- multimodal shapes containing >20 - <70% spheroidal and >30 - <80% elongated particles
- Fraction of constituent particles in the size range 1-100 nm:
- >= 90 - ca. 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Brown 25
- Pure structure:
- yes
Specific surface area
- Range of specific surface area:
- >= 5 - <= 200 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
Legal Entity Composition(s) open all close all
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 4-[(2,5-dichlorophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide
- EC Number:
- 230-258-1
- EC Name:
- 4-[(2,5-dichlorophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide
- CAS Number:
- 6992-11-6
- Molecular formula:
- C24H15Cl2N5O3
- IUPAC Name:
- 4-[(1E)-2-(2,5-dichlorophenyl)diazen-1-yl]-3-hydroxy-N-(2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)naphthalene-2-carboxamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Brown 025 - joint submission
Shape
Shape descriptionopen allclose all
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- no
- Typical composition:
- ca. 43 %
- Range:
- > 35 - < 55 %
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- no
- Typical composition:
- ca. 3 %
- Range:
- > 0 - < 15 %
- Shape category:
- spheroidal
- Shape:
- cubic
- Pure shape:
- no
- Typical composition:
- ca. 54 %
- Range:
- > 45 - < 65 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- elongated
- Remarks:
- rigidity: straight
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.015 μm
- Range:
- >= 0.01 - <= 0.03 μm
- Percentile:
- D50
- Typical value:
- ca. 0.025 μm
- Range:
- > 0.015 - < 0.04 μm
- Percentile:
- D90
- Typical value:
- ca. 0.03 μm
- Range:
- > 0.02 - < 0.05 μm
- Typical length:
- ca. 0.101 μm
- Range of length:
- > 0.05 - < 0.155 μm
- Typical aspect ratio (:1):
- ca. 3.8 :1
- Range of aspect ratio (:1):
- >= 3.6 - <= 4
- Additional information:
- The determined particle size distribution relates to both shape categories. Due to the very low number of elongated particles, no separate evaluation for rods had been conducted. The smallest dimension of all particles had been considered.
- Fraction of constituent particles in the size range 1-100 nm:
- >= 90 - ca. 100 %
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.015 μm
- Range:
- > 0.01 - < 0.03 μm
- Percentile:
- D50
- Typical value:
- ca. 0.025 μm
- Range:
- > 0.015 - < 0.04 μm
- Percentile:
- D90
- Typical value:
- ca. 0.03 μm
- Range:
- > 0.02 - < 0.05 μm
- Additional information:
- multimodal shapes containing about 57% spheroidal particles and about 43% elongated particles.
The determined particle size distribution relates to both shape categories. Due to the very low number of elongated particles, no separate evaluation for rods had been conducted. The smallest dimension of all particles had been considered. - Fraction of constituent particles in the size range 1-100 nm:
- >= 90 - ca. 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Brown 25
- Pure structure:
- yes
- Crystal system:
- other: unknown
Specific surface area
- Typical specific surface area:
- ca. 90 m²/g
- Range of specific surface area:
- >= 63 - <= 117 m²/g
- Range of volume specific surface area:
- > 0.522 - < 0.527 other: cm3
- Skeletal density:
- > 1.406 - < 1.419 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 4-[(2,5-dichlorophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide
- EC Number:
- 230-258-1
- EC Name:
- 4-[(2,5-dichlorophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide
- CAS Number:
- 6992-11-6
- Molecular formula:
- C24H15Cl2N5O3
- IUPAC Name:
- 4-[(1E)-2-(2,5-dichlorophenyl)diazen-1-yl]-3-hydroxy-N-(2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)naphthalene-2-carboxamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Brown 025
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- ca. 100 %
- Range:
- >= 0 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D90
- Typical value:
- ca. 29.2 nm
- Range:
- >= 25 - <= 35 nm
- Percentile:
- D50
- Typical value:
- ca. 21.19 nm
- Range:
- >= 15 - <= 25 nm
- Percentile:
- D10
- Typical value:
- ca. 14.74 nm
- Range:
- >= 10 - <= 15 nm
- Typical length:
- >= 100 nm
- Range of length:
- >= 0 - <= 500 nm
- Typical aspect ratio (:1):
- >= 3 :1
- Range of aspect ratio (:1):
- >= 3 - <= 10
- Fraction of constituent particles in the size range 1-100 nm:
- >= 0 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Brown 25
- Pure structure:
- yes
- Typical composition:
- ca. 100 %
- Range:
- >= 90 - <= 100 %
Specific surface area
- Typical specific surface area:
- ca. 81.754 m²/g
- Range of specific surface area:
- >= 75 - <= 85 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- 4-[(2,5-dichlorophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide
- EC Number:
- 230-258-1
- EC Name:
- 4-[(2,5-dichlorophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide
- CAS Number:
- 6992-11-6
- Molecular formula:
- C24H15Cl2N5O3
- IUPAC Name:
- 4-[(1E)-2-(2,5-dichlorophenyl)diazen-1-yl]-3-hydroxy-N-(2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)naphthalene-2-carboxamide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- 4-[(2,5-dichlorophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide
- EC Number:
- 230-258-1
- EC Name:
- 4-[(2,5-dichlorophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide
- CAS Number:
- 6992-11-6
- Molecular formula:
- C24H15Cl2N5O3
- IUPAC Name:
- 4-[(1E)-2-(2,5-dichlorophenyl)diazen-1-yl]-3-hydroxy-N-(2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)naphthalene-2-carboxamide
Composition(s) generated upon use
Other types of composition(s)
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Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
