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Registration Dossier
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EC number: 253-292-9 | CAS number: 36968-27-1
Substance identity
Identification
- Display Name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- EC Number:
- 253-292-9
- EC Name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- CAS Number:
- 36968-27-1
- Molecular formula:
- C25H20N4O4
- IUPAC Name:
- 4-[(4-carbamoylphenyl)diazenyl]-3-hydroxy-N-(2-methoxyphenyl)-2-naphthamide
Type of Substance
- Composition:
- mono-constituent substance
- Origin:
- organic
Substance Identifiers
Compositions
Boundary Composition(s) open all close all
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- EC Number:
- 253-292-9
- EC Name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- CAS Number:
- 36968-27-1
- Molecular formula:
- C25H20N4O4
- IUPAC Name:
- 4-[(4-carbamoylphenyl)diazenyl]-3-hydroxy-N-(2-methoxyphenyl)-2-naphthamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Red 266 - joint submission
Shape
Shape descriptionopen allclose all
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
- Shape category:
- spheroidal
- Shape:
- cubic
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Range:
- ca. 0.01 - ca. 0.07 μm
- Percentile:
- D50
- Range:
- ca. 0.03 - ca. 0.1 μm
- Percentile:
- D90
- Range:
- ca. 0.07 - ca. 0.13 μm
- Additional information:
- The particle size distribution relates to spheroidal particles only.
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Range:
- ca. 0.01 - ca. 0.04 μm
- Percentile:
- D50
- Range:
- ca. 0.02 - ca. 0.05 μm
- Percentile:
- D90
- Range:
- ca. 0.03 - ca. 0.06 μm
- Range of length:
- ca. 0.05 - ca. 0.3 μm
- Range of aspect ratio (:1):
- >= 3 - <= 5
- Additional information:
- The particle size distribution relates to elongated particles only.
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Red 266
- Pure structure:
- yes
Specific surface area
- Range of specific surface area:
- >= 10 - <= 100 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
Legal Entity Composition(s) open all close all
Impurity
Nanoform
| Impurity |
| Nanoform |
- State Form:
- solid: nanoform
- Degree of purity:
- >= 97 - <= 100 % (w/w)
Constituent 1
- Reference substance name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- EC Number:
- 253-292-9
- EC Name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- CAS Number:
- 36968-27-1
- Molecular formula:
- C25H20N4O4
- IUPAC Name:
- 4-[(4-carbamoylphenyl)diazenyl]-3-hydroxy-N-(2-methoxyphenyl)-2-naphthamide
Impurity 1
- Reference substance name:
- 3-hydroxy-2'-methoxy-2-naphthanilide
- EC Number:
- 205-206-6
- EC Name:
- 3-hydroxy-2'-methoxy-2-naphthanilide
- CAS Number:
- 135-62-6
- Molecular formula:
- C18H15NO3
- IUPAC Name:
- 3-hydroxy-N-(2-methoxyphenyl) -2-naphthamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Red 266 - joint submission
Shape
Shape descriptionopen allclose all
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
- Shape category:
- spheroidal
- Shape:
- cubic
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Range:
- ca. 0.01 - ca. 0.07 μm
- Percentile:
- D50
- Range:
- ca. 0.03 - ca. 0.1 μm
- Percentile:
- D90
- Range:
- ca. 0.07 - ca. 0.13 μm
- Additional information:
- The particle size distribution relates to spheroidal particles only.
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Range:
- ca. 0.01 - ca. 0.04 μm
- Percentile:
- D50
- Range:
- ca. 0.02 - ca. 0.05 μm
- Percentile:
- D90
- Range:
- ca. 0.03 - ca. 0.06 μm
- Range of length:
- ca. 0.05 - ca. 0.3 μm
- Range of aspect ratio (:1):
- >= 3 - <= 5
- Additional information:
- The particle size distribution relates to elongated particles only
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Red 266
- Pure structure:
- yes
Specific surface area
- Range of specific surface area:
- >= 10 - <= 100 m²/g
- Skeletal density:
- ca. 1.4 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- EC Number:
- 253-292-9
- EC Name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- CAS Number:
- 36968-27-1
- Molecular formula:
- C25H20N4O4
- IUPAC Name:
- 4-[(4-carbamoylphenyl)diazenyl]-3-hydroxy-N-(2-methoxyphenyl)-2-naphthamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- This nanoform is covered by a registration:
- no
- Name of nanoform:
- Pigment Red 266 - Nanoform
Shape
Shape descriptionopen allclose all
- Shape category:
- spheroidal
- Shape:
- polyhedral
- Pure shape:
- no
- Typical composition:
- ca. 70 %
- Range:
- >= 0 - <= 100 %
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- no
- Typical composition:
- ca. 30 %
- Range:
- >= 0 - <= 100 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 24 nm
- Range:
- >= 10 - <= 50 nm
- Percentile:
- D50
- Typical value:
- 39 nm
- Range:
- >= 30 - <= 80 nm
- Percentile:
- D90
- Typical value:
- ca. 101 nm
- Range:
- >= 80 - <= 130 nm
- Additional information:
- The determined particle size distribution relates to both shape categories. The smallest dimension of all particles has been considered.
- Fraction of constituent particles in the size range 1-100 nm:
- >= 80 - <= 100 %
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 24 nm
- Range:
- >= 10 - <= 50 nm
- Percentile:
- D50
- Typical value:
- ca. 39 nm
- Range:
- >= 30 - <= 80 nm
- Percentile:
- D90
- Typical value:
- ca. 101 nm
- Range:
- >= 80 - <= 130 nm
- Typical length:
- ca. 64 nm
- Range of length:
- >= 40 - <= 160 nm
- Typical aspect ratio (:1):
- ca. 3 :1
- Range of aspect ratio (:1):
- >= 3 - <= 5
- Additional information:
- The determined particle size distribution relates to both shape categories. The smallest dimension of all particles has been considered.
- Fraction of constituent particles in the size range 1-100 nm:
- >= 80 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Red 266
- Pure structure:
- yes
- Typical composition:
- >= 70 %
- Range:
- >= 70 - <= 100
- Crystal system:
- monoclinic
- Bravais lattice:
- primitive moniclinic
- Description:
- XRD Powder Diffraction generally gives crystallinity values <100%. However, based on the results, it can be assumed that the substance is fully crystalline.
Specific surface area
- Typical specific surface area:
- ca. 60.6 m²/g
- Range of specific surface area:
- >= 10 - <= 100 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
Constituent 1
- Reference substance name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- EC Number:
- 253-292-9
- EC Name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- CAS Number:
- 36968-27-1
- Molecular formula:
- C25H20N4O4
- IUPAC Name:
- 4-[(4-carbamoylphenyl)diazenyl]-3-hydroxy-N-(2-methoxyphenyl)-2-naphthamide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- EC Number:
- 253-292-9
- EC Name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- CAS Number:
- 36968-27-1
- Molecular formula:
- C25H20N4O4
- IUPAC Name:
- 4-[(4-carbamoylphenyl)diazenyl]-3-hydroxy-N-(2-methoxyphenyl)-2-naphthamide
- State Form:
- solid: bulk
Constituent 1
- Reference substance name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- EC Number:
- 253-292-9
- EC Name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- CAS Number:
- 36968-27-1
- Molecular formula:
- C25H20N4O4
- IUPAC Name:
- 4-[(4-carbamoylphenyl)diazenyl]-3-hydroxy-N-(2-methoxyphenyl)-2-naphthamide
Impurity
| Impurity |
- Degree of purity:
- > 97 - <= 100 % (w/w)
Constituent 1
- Reference substance name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- EC Number:
- 253-292-9
- EC Name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- CAS Number:
- 36968-27-1
- Molecular formula:
- C25H20N4O4
- IUPAC Name:
- 4-[(4-carbamoylphenyl)diazenyl]-3-hydroxy-N-(2-methoxyphenyl)-2-naphthamide
Impurity 1
- Reference substance name:
- o-anisidine
- EC Number:
- 201-963-1
- EC Name:
- o-anisidine
- CAS Number:
- 90-04-0
- Molecular formula:
- C7H9NO
- IUPAC Name:
- 2-methoxyaniline
- State Form:
- solid: bulk
- Degree of purity:
- > 89 - < 100 % (w/w)
Constituent 1
- Reference substance name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- EC Number:
- 253-292-9
- EC Name:
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- CAS Number:
- 36968-27-1
- Molecular formula:
- C25H20N4O4
- IUPAC Name:
- 4-[(4-carbamoylphenyl)diazenyl]-3-hydroxy-N-(2-methoxyphenyl)-2-naphthamide
Impurity 1
- Reference substance name:
- 3-hydroxy-2'-methoxy-2-naphthanilide
- EC Number:
- 205-206-6
- EC Name:
- 3-hydroxy-2'-methoxy-2-naphthanilide
- CAS Number:
- 135-62-6
- Molecular formula:
- C18H15NO3
- IUPAC Name:
- 3-hydroxy-N-(2-methoxyphenyl) -2-naphthamide
Impurity 2
- Reference substance name:
- 2'-ethoxy-3-hydroxy-2-naphthanilide
- EC Number:
- 202-185-5
- EC Name:
- 2'-ethoxy-3-hydroxy-2-naphthanilide
- CAS Number:
- 92-74-0
- Molecular formula:
- C19H17NO3
- IUPAC Name:
- N-(2-ethoxyphenyl)-3-hydroxy-2-naphthamide
Composition(s) generated upon use
Other types of composition(s)
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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.
