Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.

Diss Factsheets

Identification

Chemical structure
Display Name:
Butanamide, 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-, N,N'-bis(p-anisyl and Ph) derivs.
EC Number:
290-823-3
EC Name:
Butanamide, 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-, N,N'-bis(p-anisyl and Ph) derivs.
CAS Number:
90268-23-8
Molecular formula:
C32H26Cl2N6O4 // C33H28Cl2N6O5 // C34H30Cl2N6O6
IUPAC Name:
2-[(1E)-2-{3,3'-dichloro-4'-[(1E)-2-[2-oxo-1-(phenylcarbamoyl)propyl]diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl]-3-oxo-N-phenylbutanamide; 2-[(1E)-2-{3,3'-dichloro-4'-[(1E)-2-{1-[(4-methoxyphenyl)carbamoyl]-2-oxopropyl}diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl]-3-oxo-N-phenylbutanamide; 2-[(1E)-2-{3,3'-dichloro-4'-[(1E)-2-{1-[(4-methoxyphenyl)carbamoyl]-2-oxopropyl}diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl]-N-(4-methoxyphenyl)-3-oxobutanamide

Type of Substance

Composition:
multi-constituent substance
Origin:
organic

Substance Identifiers

Compositions

Boundary Composition(s) open all close all

State Form:
solid: nanoform


Constituent 1
Chemical structure
Reference substance name:
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-N-phenylbutyramide]
EC Number:
228-787-8
EC Name:
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-N-phenylbutyramide]
CAS Number:
6358-85-6
Molecular formula:
C32H26Cl2N6O4
IUPAC Name:
2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis(3-oxo-N-phenylbutanamide)
Constituent 2
Chemical structure
Reference substance name:
p-Acetanisidide, 2-[[3,3'-dichloro-4'-[[1-(phenylcarbamoyl)acetonyl]azo]-4-biphenylyl]azo]-
CAS Number:
26381-62-4
Molecular formula:
C33H28Cl2N6O5
IUPAC Name:
p-Acetanisidide, 2-[[3,3'-dichloro-4'-[[1-(phenylcarbamoyl)acetonyl]azo]-4-biphenylyl]azo]-
Constituent 3
Chemical structure
Reference substance name:
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-methoxyphenyl)-3-oxobutyramide]
EC Number:
250-797-6
EC Name:
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-methoxyphenyl)-3-oxobutyramide]
CAS Number:
31775-16-3
Molecular formula:
C34H30Cl2N6O6
IUPAC Name:
2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[N-(4-methoxyphenyl)-3-oxobutanamide]

Characterisation of nanoforms

Type of information reported:
single nanoform
Name of nanoform:
C.I. Pigment Yellow 126 - joint submission

Shape

Shape descriptionopen allclose all
Shape category:
spheroidal
Remarks:
multimodal shapes containing spheroidal and elongated particles
Shape:
cubic
Pure shape:
no
Range:
> 30 - < 100 %
Shape category:
spheroidal
Remarks:
multimodal shapes containing spheroidal and elongated particles
Shape:
spherical
Pure shape:
no
Range:
> 0 - < 25 %
Shape category:
elongated
Remarks:
multimodal shapes containing spheroidal and elongated particles
Shape:
rod
Pure shape:
yes
Range:
> 0 - < 60 %

Particle size distribution and range

Particle size distribution and rangeopen allclose all
Shape category:
spheroidal
Remarks:
multimodal shapes containing spheroidal and elongated particles
Percentileopen allclose all
Percentile:
D10
Range:
>= 0.01 - <= 0.04 μm
Percentile:
D50
Range:
>= 0.015 - <= 0.06 μm
Percentile:
D90
Range:
>= 0.02 - <= 0.08 μm
Additional information:
The determined particle size distribution relates to both shape categories.
Fraction of constituent particles in the size range 1-100 nm:
>= 80 - <= 100 %
Shape category:
elongated
Remarks:
multimodal shapes containing spheroidal and elongated particles
Percentileopen allclose all
Percentile:
D10
Range:
>= 0.01 - <= 0.04 μm
Percentile:
D50
Range:
>= 0.015 - <= 0.06 μm
Percentile:
D90
Range:
>= 0.02 - <= 0.08 μm
Range of length:
>= 0.03 - <= 0.3 μm
Range of aspect ratio (:1):
>= 3 - <= 4.8
Additional information:
The determined particle size distribution relates to both shape categories.
Fraction of constituent particles in the size range 1-100 nm:
>= 80 - <= 100 %

Crystallinity

Structures
Structure:
crystalline
Name:
C.I. Pigment Yellow 126
Pure structure:
yes

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

State Form:
solid: nanoform


Constituent 1
Chemical structure
Reference substance name:
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-N-phenylbutyramide]
EC Number:
228-787-8
EC Name:
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-N-phenylbutyramide]
CAS Number:
6358-85-6
Molecular formula:
C32H26Cl2N6O4
IUPAC Name:
2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis(3-oxo-N-phenylbutanamide)
Constituent 2
Chemical structure
Reference substance name:
p-Acetanisidide, 2-[[3,3'-dichloro-4'-[[1-(phenylcarbamoyl)acetonyl]azo]-4-biphenylyl]azo]-
CAS Number:
26381-62-4
Molecular formula:
C33H28Cl2N6O5
IUPAC Name:
p-Acetanisidide, 2-[[3,3'-dichloro-4'-[[1-(phenylcarbamoyl)acetonyl]azo]-4-biphenylyl]azo]-
Constituent 3
Chemical structure
Reference substance name:
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-methoxyphenyl)-3-oxobutyramide]
EC Number:
250-797-6
EC Name:
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-methoxyphenyl)-3-oxobutyramide]
CAS Number:
31775-16-3
Molecular formula:
C34H30Cl2N6O6
IUPAC Name:
2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis[N-(4-methoxyphenyl)-3-oxobutanamide]

Characterisation of nanoforms

Type of information reported:
single nanoform
Name of nanoform:
C.I. Pigment Yellow 126 - joint submission

Shape

Shape descriptionopen allclose all
Shape category:
spheroidal
Remarks:
multimodal shapes containing spheroidal and elongated particles
Shape:
cubic
Pure shape:
no
Range:
> 30 - < 100 %
Shape category:
spheroidal
Remarks:
multimodal shapes containing spheroidal and elongated particles
Shape:
spherical
Pure shape:
no
Range:
> 0 - < 25 %
Shape category:
elongated
Remarks:
multimodal shapes containing spheroidal and elongated particles
Shape:
rod
Pure shape:
yes
Range:
> 0 - < 60 %

Particle size distribution and range

Particle size distribution and rangeopen allclose all
Shape category:
spheroidal
Remarks:
multimodal shapes containing spheroidal and elongated particles
Percentileopen allclose all
Percentile:
D10
Range:
>= 0.01 - <= 0.04 μm
Percentile:
D50
Range:
>= 0.015 - <= 0.06 μm
Percentile:
D90
Range:
>= 0.02 - <= 0.08 μm
Additional information:
The determined particle size distribution relates to both shape categories. The smallest dimension of all particles had been considered.
Fraction of constituent particles in the size range 1-100 nm:
>= 80 - <= 100 %
Shape category:
elongated
Remarks:
multimodal shapes containing spheroidal and elongated particles
Percentileopen allclose all
Percentile:
D10
Range:
>= 0.01 - <= 0.04 μm
Percentile:
D50
Range:
>= 0.015 - <= 0.06 μm
Percentile:
D90
Range:
>= 0.02 - <= 0.08 μm
Range of length:
>= 0.04 - <= 0.27 μm
Range of aspect ratio (:1):
>= 3 - <= 4.6
Additional information:
The determined particle size distribution relates to both shape categories. The smallest dimension of all particles had been considered.
Fraction of constituent particles in the size range 1-100 nm:
>= 80 - <= 100 %

Crystallinity

Structures
Structure:
crystalline
Name:
C.I. Pigment Yellow 126
Pure structure:
yes

Specific surface area

Range of specific surface area:
>= 10 - <= 50 m²/g
Skeletal density:
1.375 g/cm³

Surface functionalisation / treatment

Surface treatment applied:
no
State Form:
solid: nanoform


Constituent 1
Chemical structure
Reference substance name:
Butanamide, 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-, N,N'-bis(p-anisyl and Ph) derivs.
EC Number:
290-823-3
EC Name:
Butanamide, 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-, N,N'-bis(p-anisyl and Ph) derivs.
CAS Number:
90268-23-8
Molecular formula:
C32H26Cl2N6O4 // C33H28Cl2N6O5 // C34H30Cl2N6O6
IUPAC Name:
2-[(1E)-2-{3,3'-dichloro-4'-[(1E)-2-[2-oxo-1-(phenylcarbamoyl)propyl]diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl]-3-oxo-N-phenylbutanamide; 2-[(1E)-2-{3,3'-dichloro-4'-[(1E)-2-{1-[(4-methoxyphenyl)carbamoyl]-2-oxopropyl}diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl]-3-oxo-N-phenylbutanamide; 2-[(1E)-2-{3,3'-dichloro-4'-[(1E)-2-{1-[(4-methoxyphenyl)carbamoyl]-2-oxopropyl}diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl]-N-(4-methoxyphenyl)-3-oxobutanamide

Characterisation of nanoforms

Type of information reported:
single nanoform
Name of nanoform:
Pigment Yellow 126_Nanoform_Spheroidal

Shape

Shape descriptionopen allclose all
Shape category:
spheroidal
Shape:
spherical
Pure shape:
no
Typical composition:
ca. 15 %
Range:
>= 1 - <= 30 %
Shape category:
spheroidal
Shape:
cubic
Pure shape:
no
Typical composition:
ca. 20 %
Range:
>= 1 - <= 40 %
Shape category:
spheroidal
Shape:
polyhedral
Pure shape:
no
Typical composition:
ca. 61 %
Range:
>= 10 - <= 80 %
Shape category:
elongated
Shape:
rod
Pure shape:
no
Typical composition:
ca. 4 %
Range:
>= 0 - <= 10 %

Particle size distribution and range

Particle size distribution and rangeopen allclose all
Shape category:
elongated
Percentileopen allclose all
Percentile:
D10
Typical value:
ca. 57 nm
Range:
>= 20 - <= 90 nm
Percentile:
D50
Typical value:
ca. 66 nm
Range:
>= 30 - <= 100 nm
Percentile:
D90
Typical value:
ca. 73 nm
Range:
>= 40 - <= 120 nm
Typical length:
ca. 226 nm
Range of length:
>= 178 - <= 269 nm
Typical aspect ratio (:1):
ca. 3.5 :1
Range of aspect ratio (:1):
>= 3.2 - <= 4.2
Fraction of constituent particles in the size range 1-100 nm:
>= 90 - <= 100 %
Shape category:
spheroidal
Percentileopen allclose all
Percentile:
D10
Typical value:
ca. 44 nm
Range:
>= 5 - <= 60 nm
Percentile:
D50
Typical value:
ca. 63 nm
Range:
>= 10 - <= 100 nm
Percentile:
D90
Typical value:
ca. 91 nm
Range:
>= 40 - <= 130 nm
Fraction of constituent particles in the size range 1-100 nm:
>= 90 - <= 100 %

Crystallinity

Structures
Structure:
crystalline
Name:
Pigment Yellow 126
Pure structure:
yes

Specific surface area

Typical specific surface area:
ca. 21.1 m²/g
Range of specific surface area:
>= 5 - <= 45 m²/g

Surface functionalisation / treatment

Surface treatment applied:
no
State Form:
solid: particulate/powder


Constituent 1
Chemical structure
Reference substance name:
Butanamide, 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-, N,N'-bis(p-anisyl and Ph) derivs.
EC Number:
290-823-3
EC Name:
Butanamide, 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-, N,N'-bis(p-anisyl and Ph) derivs.
CAS Number:
90268-23-8
Molecular formula:
C32H26Cl2N6O4 // C33H28Cl2N6O5 // C34H30Cl2N6O6
IUPAC Name:
2-[(1E)-2-{3,3'-dichloro-4'-[(1E)-2-[2-oxo-1-(phenylcarbamoyl)propyl]diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl]-3-oxo-N-phenylbutanamide; 2-[(1E)-2-{3,3'-dichloro-4'-[(1E)-2-{1-[(4-methoxyphenyl)carbamoyl]-2-oxopropyl}diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl]-3-oxo-N-phenylbutanamide; 2-[(1E)-2-{3,3'-dichloro-4'-[(1E)-2-{1-[(4-methoxyphenyl)carbamoyl]-2-oxopropyl}diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl]-N-(4-methoxyphenyl)-3-oxobutanamide

Composition(s) generated upon use

Other types of composition(s)