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Diss Factsheets

Identification

Chemical structure
Display Name:
N,N'-(2-chloro-1,4-phenylene)bis[4-[(4-chloro-2-nitrophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]
EC Number:
252-772-5
EC Name:
N,N'-(2-chloro-1,4-phenylene)bis[4-[(4-chloro-2-nitrophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]
CAS Number:
35869-64-8
Molecular formula:
C40H23Cl3N8O8
IUPAC Name:
N,N'-(2-chloro-1,4-phenylene)bis{4-[(4-chloro-2-nitrophenyl)diazenyl]-3-hydroxy-2-naphthamide}

Type of Substance

Composition:
mono-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:
N,N'-(2-chloro-1,4-phenylene)bis[4-[(4-chloro-2-nitrophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]
EC Number:
252-772-5
EC Name:
N,N'-(2-chloro-1,4-phenylene)bis[4-[(4-chloro-2-nitrophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]
CAS Number:
35869-64-8
Molecular formula:
C40H23Cl3N8O8
IUPAC Name:
N,N'-(2-chloro-1,4-phenylene)bis{4-[(4-chloro-2-nitrophenyl)diazenyl]-3-hydroxy-2-naphthamide}

Characterisation of nanoforms

Type of information reported:
single nanoform
Name of nanoform:
Pigment Brown 23 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:
D50
Typical value:
ca. 80 nm
Range:
> 70 - < 100 nm
Percentile:
D10
Range:
> 1 - < 70 nm
Percentile:
D90
Range:
> 100 - < 300 nm
Range of length:
> 100 - < 600 nm
Range of aspect ratio (:1):
>= 1 - <= 5
Fraction of constituent particles in the size range 1-100 nm:
> 60 - < 100 %

Crystallinity

Structures
Structure:
crystalline
Name:
Pigment Brown 23
Pure structure:
yes

Specific surface area

Typical specific surface area:
ca. 40 m²/g
Range of specific surface area:
> 25 - < 65 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:
N,N'-(2-chloro-1,4-phenylene)bis[4-[(4-chloro-2-nitrophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]
EC Number:
252-772-5
EC Name:
N,N'-(2-chloro-1,4-phenylene)bis[4-[(4-chloro-2-nitrophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]
CAS Number:
35869-64-8
Molecular formula:
C40H23Cl3N8O8
IUPAC Name:
N,N'-(2-chloro-1,4-phenylene)bis{4-[(4-chloro-2-nitrophenyl)diazenyl]-3-hydroxy-2-naphthamide}

Characterisation of nanoforms

Type of information reported:
single nanoform
Name of nanoform:
Pigment Brown 23 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:
D50
Typical value:
ca. 89.1 nm
Range:
> 70 - < 95 nm
Percentile:
D10
Typical value:
ca. 58.7 nm
Range:
> 1 - < 65 nm
Percentile:
D90
Typical value:
ca. 131.9 nm
Range:
> 100 - < 300 nm
Typical length:
ca. 324 mm
Range of length:
> 100 - < 600 nm
Typical aspect ratio (:1):
ca. 3.5 :1
Range of aspect ratio (:1):
>= 1 - <= 5
Additional information:
analysis performed on 155 particles
Fraction of constituent particles in the size range 1-100 nm:
> 60 - < 100 %

Crystallinity

Structures
Structure:
crystalline
Name:
Pigment Brown 23
Pure structure:
yes
Description:
Powder X-Ray diffraction measurements of very fine crystals cannot be used to properly define the crystal system and Bravais lattice due to signal broadening.
(Herbst, Hunger, Industrial Organic Pigments VCH, 1993, p.44)

Specific surface area

Typical specific surface area:
ca. 43.3 m²/g
Range of specific surface area:
> 25 - < 60 m²/g

Surface functionalisation / treatment

Surface treatment applied:
no

Composition(s) generated upon use

Other types of composition(s)