Registration Dossier
Registration Dossier
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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.
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EC number: 231-494-8 | CAS number: 7585-41-3
Substance identity
Identification
- Display Name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- EC Number:
- 231-494-8
- EC Name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- CAS Number:
- 7585-41-3
- Molecular formula:
- C18H13ClN2O6S.Ba
- IUPAC Name:
- barium 4-[(5-chloro-4-methyl-2-sulfonatophenyl)diazenyl]-3-hydroxy-2-naphthoate
Type of Substance
- Composition:
- mono-constituent substance
- Origin:
- organic
Substance Identifiers open all close all
Compositions
Boundary Composition(s) open all close all
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- EC Number:
- 231-494-8
- EC Name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- CAS Number:
- 7585-41-3
- Molecular formula:
- C18H13ClN2O6S.Ba
- IUPAC Name:
- barium 4-[(5-chloro-4-methyl-2-sulfonatophenyl)diazenyl]-3-hydroxy-2-naphthoate
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Pigment Red 48:1_Nanoform_Multimodal
Shape
Shape descriptionopen allclose all
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- no
- Typical composition:
- ca. 50 %
- Range:
- > 1 - <= 100 %
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- no
- Typical composition:
- ca. 50 %
- Range:
- > 1 - <= 100 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 15 nm
- Range:
- > 1 - < 80 nm
- Percentile:
- D50
- Typical value:
- ca. 25 nm
- Range:
- > 10 - < 100 nm
- Percentile:
- D90
- Typical value:
- ca. 40 nm
- Range:
- > 20 - < 120 nm
- Typical length:
- ca. 100 nm
- Range of length:
- > 10 - < 200 nm
- Range of aspect ratio (:1):
- >= 1 - <= 9
- Fraction of constituent particles in the size range 1-100 nm:
- > 80 - <= 100 %
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D90
- Typical value:
- ca. 90 nm
- Range:
- > 50 - < 300 nm
- Percentile:
- D50
- Typical value:
- ca. 50 nm
- Range:
- > 10 - < 100 nm
- Percentile:
- D10
- Typical value:
- ca. 20 nm
- Range:
- > 1 - < 80 nm
- Fraction of constituent particles in the size range 1-100 nm:
- > 80 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Pigment Red 48:1
- Pure structure:
- yes
Specific surface area
- Typical specific surface area:
- ca. 40 m²/g
- Range of specific surface area:
- > 15 - < 500 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
Legal Entity Composition(s) open all close all
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- EC Number:
- 231-494-8
- EC Name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- CAS Number:
- 7585-41-3
- Molecular formula:
- C18H13ClN2O6S.Ba
- IUPAC Name:
- barium 4-[(5-chloro-4-methyl-2-sulfonatophenyl)diazenyl]-3-hydroxy-2-naphthoate
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Pigment Red 48:1_Nanoform_Elongated
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D90
- Typical value:
- 36.2 nm
- Range:
- > 10 - < 200 nm
- Percentile:
- D50
- Typical value:
- 23.9 nm
- Range:
- > 10 - < 100 nm
- Percentile:
- D10
- Typical value:
- 16.6 nm
- Range:
- > 1 - < 50 nm
- Typical length:
- 98.8 nm
- Range of length:
- > 10 - < 160 nm
- Typical aspect ratio (:1):
- 3.5 :1
- Range of aspect ratio (:1):
- >= 1 - <= 5
- Fraction of constituent particles in the size range 1-100 nm:
- > 80 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Pigment Red 48:1
- Pure structure:
- yes
Specific surface area
- Typical specific surface area:
- 38 m²/g
- Range of specific surface area:
- > 10 - < 500 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- EC Number:
- 231-494-8
- EC Name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- CAS Number:
- 7585-41-3
- Molecular formula:
- C18H13ClN2O6S.Ba
- IUPAC Name:
- barium 4-[(5-chloro-4-methyl-2-sulfonatophenyl)diazenyl]-3-hydroxy-2-naphthoate
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- This nanoform is covered by a registration:
- no
- Name of nanoform:
- EC_231_494_8__Pigment_red_48_1
Shape
Shape descriptionopen allclose all
- Shape category:
- elongated
- Remarks:
- multimodal shape
- Shape:
- rod
- Pure shape:
- no
- Typical composition:
- ca. 48 %
- Range:
- >= 0 - <= 100 %
- Shape category:
- spheroidal
- Remarks:
- multimodal shape
- Shape:
- cubic
- Pure shape:
- no
- Typical composition:
- ca. 52 %
- Range:
- >= 0 - <= 100 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- 34.9 nm
- Range:
- >= 10.2 - <= 59.6 nm
- Percentile:
- D50
- Typical value:
- 60 nm
- Range:
- >= 35.3 - <= 84.7 nm
- Percentile:
- D90
- Typical value:
- 96.7 nm
- Range:
- >= 72 - <= 121.4 nm
- Percentile:
- D10
- Typical value:
- 14.4 nm
- Range:
- >= 6.9 - <= 21.9 nm
- Percentile:
- D50
- Typical value:
- 21.2 nm
- Range:
- >= 13.7 - <= 28.7 nm
- Percentile:
- D90
- Typical value:
- 31.2 nm
- Range:
- >= 23.7 - <= 38.7 nm
- Typical length:
- 63.6 nm
- Range of length:
- ca. 9 - ca. 130 nm
- Typical aspect ratio (:1):
- > 3 :1
- Range of aspect ratio (:1):
- >= 3 - <= 9
- Additional information:
- Please note: no shape-specific evaluation has been conducted on the individual particles. Hence, the reported average particle sizes cover all shape categories - spheroidal and elongated.
Nevertheless, the average particle size distribution, is within the boundary composition limits for both shape categories. Hence an individual evaluation of elongated and spherical particle size distribution is not considered necessary.
The average aspect ratio of 530 representative particles was 3.04±1.28:1, based on the aspect ratio and representative TEM images, 48% of the particles are elongated (rods, aspect ratio >3:1) and 52% are spheroidal (cubes, aspect ratio <3:1).
Supporting analytical data are provided in Section 1.4 of the IUCLID dossier. - Fraction of constituent particles in the size range 1-100 nm:
- >= 80 - <= 100 %
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- 34.9 nm
- Range:
- >= 10.2 - <= 59.6 nm
- Percentile:
- D50
- Typical value:
- 60 nm
- Range:
- >= 35.3 - <= 84.7 nm
- Percentile:
- D90
- Typical value:
- 96.7 nm
- Range:
- >= 72 - <= 121.4 nm
- Percentile:
- D10
- Typical value:
- 14.4 nm
- Range:
- >= 6.9 - <= 21.9 nm
- Percentile:
- D50
- Typical value:
- 21.2 nm
- Range:
- >= 13.7 - <= 28.7 nm
- Percentile:
- D90
- Typical value:
- 31.2 nm
- Range:
- >= 23.7 - <= 38.7 nm
- Additional information:
- Please note: no shape-specific evaluation has been conducted on the individual particles. Hence, the reported average particle sizes cover all shape categories - spheroidal and elongated.
Nevertheless, the average particle size distribution, is within boundary composition limits for all both shape categories. Hence an individual evaluation of elongated and spherical particle size distribution is not considered necessary.
The average aspect ratio of 530 representative particles was 3.04±1.28:1, based on the aspect ratio and representative TEM images, 48% of the particles are elongated (rods, aspect ratio >3:1) and 52% are spheroidal (cubes, aspect ratio <3:1).
Supporting analytical data are provided in Section 1.4 of the IUCLID dossier. - Fraction of constituent particles in the size range 1-100 nm:
- >= 80 - <= 100 %
Crystallinity
Structures
- Structure:
- amorphous
- Name:
- barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- Pure structure:
- yes
Specific surface area
- Typical specific surface area:
- ca. 97 m²/g
- Range of specific surface area:
- >= 15 - <= 500 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- EC Number:
- 231-494-8
- EC Name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- CAS Number:
- 7585-41-3
- Molecular formula:
- C18H13ClN2O6S.Ba
- IUPAC Name:
- barium 4-[(5-chloro-4-methyl-2-sulfonatophenyl)diazenyl]-3-hydroxy-2-naphthoate
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C. I. Pigment Red 48:1_nanoform
Shape
Shape descriptionopen allclose all
- Shape category:
- spheroidal
- Shape:
- polyhedral
- Pure shape:
- no
- Typical composition:
- ca. 71 %
- Range:
- >= 55 - <= 89 %
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- no
- Typical composition:
- ca. 29 %
- Range:
- >= 11 - <= 45 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 23 nm
- Range:
- >= 21 - <= 25 nm
- Percentile:
- D50
- Typical value:
- ca. 35 nm
- Range:
- >= 34 - <= 36 nm
- Percentile:
- D90
- Typical value:
- ca. 54 nm
- Range:
- >= 52 - <= 56 nm
- Fraction of constituent particles in the size range 1-100 nm:
- > 80 - <= 100 %
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 31 nm
- Range:
- >= 27 - <= 35 nm
- Percentile:
- D50
- Typical value:
- ca. 41 nm
- Range:
- >= 37 - <= 46 nm
- Percentile:
- D90
- Typical value:
- ca. 58 nm
- Range:
- >= 54 - <= 62 nm
- Typical length:
- ca. 178 nm
- Range of length:
- >= 60 - <= 388 nm
- Typical aspect ratio (:1):
- ca. 4.1 :1
- Range of aspect ratio (:1):
- >= 3 - <= 7.3
- Fraction of constituent particles in the size range 1-100 nm:
- > 80 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Red 48:1
- Pure structure:
- yes
- Typical composition:
- ca. 93 %
- Range:
- >= 80 - <= 100 %
- Crystal system:
- not applicable
Specific surface area
- Typical specific surface area:
- ca. 66 m²/g
- Range of specific surface area:
- >= 20 - <= 150 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- EC Number:
- 231-494-8
- EC Name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- CAS Number:
- 7585-41-3
- Molecular formula:
- C18H13ClN2O6S.Ba
- IUPAC Name:
- barium 4-[(5-chloro-4-methyl-2-sulfonatophenyl)diazenyl]-3-hydroxy-2-naphthoate
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Pigment Red 48:1_Nanoform_Multimodal
Shape
Shape descriptionopen allclose all
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- ca. 75 %
- Range:
- > 0 - <= 100 %
- Shape category:
- spheroidal
- Shape:
- cubic
- Pure shape:
- yes
- Typical composition:
- ca. 25 %
- Range:
- > 0 - <= 100 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 19 nm
- Range:
- > 1 - < 80 nm
- Percentile:
- D50
- Typical value:
- ca. 29 nm
- Range:
- > 10 - < 100 nm
- Percentile:
- D90
- Typical value:
- ca. 57 nm
- Range:
- > 20 - < 120 nm
- Typical length:
- ca. 166 nm
- Range of length:
- > 10 - < 500 nm
- Typical aspect ratio (:1):
- ca. 5 :1
- Range of aspect ratio (:1):
- >= 3 - <= 9
- Fraction of constituent particles in the size range 1-100 nm:
- > 80 - < 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Pigment Red 48:1
- Pure structure:
- yes
- Typical composition:
- ca. 100 %
- Range:
- ca. 100 %
Specific surface area
- Typical specific surface area:
- ca. 42.6 m²/g
- Range of specific surface area:
- > 15 - < 500 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- EC Number:
- 231-494-8
- EC Name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- CAS Number:
- 7585-41-3
- Molecular formula:
- C18H13ClN2O6S.Ba
- IUPAC Name:
- barium 4-[(5-chloro-4-methyl-2-sulfonatophenyl)diazenyl]-3-hydroxy-2-naphthoate
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Pigment Red 48:1_Nanoform_Multimodal
Shape
Shape descriptionopen allclose all
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- no
- Typical composition:
- ca. 25 %
- Range:
- > 1 - <= 100 %
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- no
- Typical composition:
- ca. 75 %
- Range:
- > 1 - <= 100 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 20 nm
- Range:
- > 1 - < 80 nm
- Percentile:
- D50
- Typical value:
- ca. 30 nm
- Range:
- > 10 - < 100 nm
- Percentile:
- D90
- Typical value:
- ca. 50 nm
- Range:
- > 20 - < 120 nm
- Range of length:
- > 10 - < 200 nm
- Range of aspect ratio (:1):
- >= 1 - <= 9
- Fraction of constituent particles in the size range 1-100 nm:
- > 80 - <= 100 %
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 25 nm
- Range:
- > 1 - < 80 nm
- Percentile:
- D50
- Typical value:
- ca. 40 nm
- Range:
- > 10 - < 100 nm
- Percentile:
- D90
- Typical value:
- ca. 70 nm
- Range:
- > 50 - < 300 nm
- Fraction of constituent particles in the size range 1-100 nm:
- > 80 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Pigment Red 48:1
- Pure structure:
- yes
Specific surface area
- Typical specific surface area:
- ca. 65 m²/g
- Range of specific surface area:
- > 15 - < 500 m²/g
- Skeletal density:
- ca. 2 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- EC Number:
- 231-494-8
- EC Name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- CAS Number:
- 7585-41-3
- Molecular formula:
- C18H13ClN2O6S.Ba
- IUPAC Name:
- barium 4-[(5-chloro-4-methyl-2-sulfonatophenyl)diazenyl]-3-hydroxy-2-naphthoate
Characterisation of nanoforms
- Type of information reported:
- single nanoform
Shape
Shape description
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- yes
Particle size distribution and range
Particle size distribution and range
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D90
- Typical value:
- 36.2 nm
- Range:
- > 10 - < 200 nm
- Percentile:
- D50
- Typical value:
- 23.9 nm
- Range:
- > 10 - < 100 nm
- Percentile:
- D10
- Typical value:
- 16.6 nm
- Range:
- > 1 - < 50 nm
- Typical length:
- 25.4 nm
- Range of length:
- > 10 - < 100 nm
- Typical lateral dimension 2:
- 98.8 nm
- Typical aspect ratio (:1):
- 3.5 :1
- Range of aspect ratio (:1):
- >= 1 - <= 5
- Fraction of constituent particles in the size range 1-100 nm:
- > 80 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Pigment Red 48:1
- Pure structure:
- yes
Specific surface area
- Typical specific surface area:
- 38 m²/g
- Range of specific surface area:
- > 10 - < 500 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- EC Number:
- 231-494-8
- EC Name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- CAS Number:
- 7585-41-3
- Molecular formula:
- C18H13ClN2O6S.Ba
- IUPAC Name:
- barium 4-[(5-chloro-4-methyl-2-sulfonatophenyl)diazenyl]-3-hydroxy-2-naphthoate
Constituent 1
- Reference substance name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- EC Number:
- 231-494-8
- EC Name:
- Barium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate
- CAS Number:
- 7585-41-3
- Molecular formula:
- C18H13ClN2O6S.Ba
- IUPAC Name:
- barium 4-[(5-chloro-4-methyl-2-sulfonatophenyl)diazenyl]-3-hydroxy-2-naphthoate
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.
