Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 257-776-0 | CAS number: 52238-92-3
Substance identity
Identification
- Display Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis[4-[[2-chloro-5-(trifluoromethyl)phenyl]azo]-3-hydroxynaphthalene-2-carboxamide]
- EC Number:
- 257-776-0
- EC Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis[4-[[2-chloro-5-(trifluoromethyl)phenyl]azo]-3-hydroxynaphthalene-2-carboxamide]
- CAS Number:
- 52238-92-3
- Molecular formula:
- C42H22Cl4F6N6O4
- IUPAC Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis(4-{[2-chloro-5-(trifluoromethyl)phenyl]diazenyl}-3-hydroxy-2-naphthamide)
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:
- N,N'-(2,5-dichloro-1,4-phenylene)bis[4-[[2-chloro-5-(trifluoromethyl)phenyl]azo]-3-hydroxynaphthalene-2-carboxamide]
- EC Number:
- 257-776-0
- EC Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis[4-[[2-chloro-5-(trifluoromethyl)phenyl]azo]-3-hydroxynaphthalene-2-carboxamide]
- CAS Number:
- 52238-92-3
- Molecular formula:
- C42H22Cl4F6N6O4
- IUPAC Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis(4-{[2-chloro-5-(trifluoromethyl)phenyl]diazenyl}-3-hydroxy-2-naphthamide)
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Red 242 - joint submission
Shape
Shape descriptionopen allclose all
- Shape category:
- spheroidal
- Shape:
- cubic
- Pure shape:
- no
- Range:
- > 70 - < 100 %
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- no
- Range:
- > 0 - < 30 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Range:
- ca. 0.01 - ca. 0.05 μm
- Percentile:
- D50
- Range:
- ca. 0.02 - ca. 0.06 μm
- Percentile:
- D90
- Range:
- ca. 0.04 - ca. 0.09 μm
- Fraction of constituent particles in the size range 1-100 nm:
- >= 90 - ca. 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Red 242
- Pure structure:
- yes
- Typical composition:
- 100 %
Specific surface area
- Range of specific surface area:
- >= 5 - <= 125 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:
- N,N'-(2,5-dichloro-1,4-phenylene)bis[4-[[2-chloro-5-(trifluoromethyl)phenyl]azo]-3-hydroxynaphthalene-2-carboxamide]
- EC Number:
- 257-776-0
- EC Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis[4-[[2-chloro-5-(trifluoromethyl)phenyl]azo]-3-hydroxynaphthalene-2-carboxamide]
- CAS Number:
- 52238-92-3
- Molecular formula:
- C42H22Cl4F6N6O4
- IUPAC Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis(4-{[2-chloro-5-(trifluoromethyl)phenyl]diazenyl}-3-hydroxy-2-naphthamide)
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Red 242 - joint submission
Shape
Shape descriptionopen allclose all
- Shape category:
- spheroidal
- Shape:
- cubic
- Pure shape:
- no
- Typical composition:
- ca. 95 %
- Range:
- > 75 - < 100 %
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- no
- Typical composition:
- ca. 5 %
- Range:
- > 0 - < 25 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- 0.027 μm
- Range:
- ca. 0.01 - ca. 0.04 μm
- Percentile:
- D50
- Typical value:
- 0.04 μm
- Range:
- ca. 0.025 - ca. 0.055 μm
- Percentile:
- D90
- Typical value:
- 0.063 μm
- Range:
- ca. 0.05 - ca. 0.08 μm
- Fraction of constituent particles in the size range 1-100 nm:
- >= 90 - ca. 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Red 242
- Pure structure:
- yes
- Typical composition:
- 100 %
- Crystal system:
- other: unknown
Specific surface area
- Typical specific surface area:
- ca. 81 m²/g
- Range of specific surface area:
- >= 55 - <= 105 m²/g
- Skeletal density:
- 1.571 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis[4-[[2-chloro-5-(trifluoromethyl)phenyl]azo]-3-hydroxynaphthalene-2-carboxamide]
- EC Number:
- 257-776-0
- EC Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis[4-[[2-chloro-5-(trifluoromethyl)phenyl]azo]-3-hydroxynaphthalene-2-carboxamide]
- CAS Number:
- 52238-92-3
- Molecular formula:
- C42H22Cl4F6N6O4
- IUPAC Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis(4-{[2-chloro-5-(trifluoromethyl)phenyl]diazenyl}-3-hydroxy-2-naphthamide)
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Red 242 - joint submission
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- ca. 75 %
- Range:
- >= 50 - <= 100 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D90
- Typical value:
- ca. 82.25 nm
- Range:
- >= 60 - <= 85 nm
- Percentile:
- D50
- Typical value:
- ca. 57.05 nm
- Range:
- >= 45 - <= 60 nm
- Percentile:
- D10
- Typical value:
- ca. 41.27 nm
- Range:
- >= 35 - <= 45 nm
- Typical length:
- ca. 289.94 nm
- Range of length:
- >= 80 - <= 500 nm
- Typical aspect ratio (:1):
- ca. 3.05 :1
- Range of aspect ratio (:1):
- >= 1.5 - <= 7
- Fraction of constituent particles in the size range 1-100 nm:
- >= 90 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Pigment Red 242
- Pure structure:
- yes
- Typical composition:
- ca. 100 %
- Range:
- >= 90 - <= 100 %
Specific surface area
- Typical specific surface area:
- ca. 41.792 m²/g
- Range of specific surface area:
- >= 35 - <= 45 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis[4-[[2-chloro-5-(trifluoromethyl)phenyl]azo]-3-hydroxynaphthalene-2-carboxamide]
- EC Number:
- 257-776-0
- EC Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis[4-[[2-chloro-5-(trifluoromethyl)phenyl]azo]-3-hydroxynaphthalene-2-carboxamide]
- CAS Number:
- 52238-92-3
- Molecular formula:
- C42H22Cl4F6N6O4
- IUPAC Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis(4-{[2-chloro-5-(trifluoromethyl)phenyl]diazenyl}-3-hydroxy-2-naphthamide)
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Red 242 - joint submission
Shape
Shape descriptionopen allclose all
- Shape category:
- spheroidal
- Shape:
- cubic
- Pure shape:
- no
- Typical composition:
- ca. 95 %
- Range:
- > 75 - < 100 %
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- no
- Typical composition:
- ca. 5 %
- Range:
- > 0 - < 25 %
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- 0.027 μm
- Range:
- ca. 0.01 - ca. 0.04 μm
- Percentile:
- D50
- Typical value:
- 0.04 μm
- Range:
- ca. 0.025 - ca. 0.055 μm
- Percentile:
- D90
- Typical value:
- 0.063 μm
- Range:
- ca. 0.05 - ca. 0.08 μm
- Fraction of constituent particles in the size range 1-100 nm:
- >= 90 - ca. 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Red 242
- Pure structure:
- yes
- Typical composition:
- 100 %
- Crystal system:
- other: unknown
Specific surface area
- Typical specific surface area:
- ca. 81 m²/g
- Range of specific surface area:
- >= 55 - <= 105 m²/g
- Skeletal density:
- 1.571 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: bulk
Constituent 1
- Reference substance name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis[4-[[2-chloro-5-(trifluoromethyl)phenyl]azo]-3-hydroxynaphthalene-2-carboxamide]
- EC Number:
- 257-776-0
- EC Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis[4-[[2-chloro-5-(trifluoromethyl)phenyl]azo]-3-hydroxynaphthalene-2-carboxamide]
- CAS Number:
- 52238-92-3
- Molecular formula:
- C42H22Cl4F6N6O4
- IUPAC Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis(4-{[2-chloro-5-(trifluoromethyl)phenyl]diazenyl}-3-hydroxy-2-naphthamide)
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis[4-[[2-chloro-5-(trifluoromethyl)phenyl]azo]-3-hydroxynaphthalene-2-carboxamide]
- EC Number:
- 257-776-0
- EC Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis[4-[[2-chloro-5-(trifluoromethyl)phenyl]azo]-3-hydroxynaphthalene-2-carboxamide]
- CAS Number:
- 52238-92-3
- Molecular formula:
- C42H22Cl4F6N6O4
- IUPAC Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis(4-{[2-chloro-5-(trifluoromethyl)phenyl]diazenyl}-3-hydroxy-2-naphthamide)
Constituent 1
- Reference substance name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis[4-[[2-chloro-5-(trifluoromethyl)phenyl]azo]-3-hydroxynaphthalene-2-carboxamide]
- EC Number:
- 257-776-0
- EC Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis[4-[[2-chloro-5-(trifluoromethyl)phenyl]azo]-3-hydroxynaphthalene-2-carboxamide]
- CAS Number:
- 52238-92-3
- Molecular formula:
- C42H22Cl4F6N6O4
- IUPAC Name:
- N,N'-(2,5-dichloro-1,4-phenylene)bis(4-{[2-chloro-5-(trifluoromethyl)phenyl]diazenyl}-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.
