Registration Dossier

Diss Factsheets

Identification

Chemical structure
Display Name:
-
EC Number:
412-640-1
EC Name:
-
CAS Number:
84632-50-8
Molecular formula:
C20 H10 N4 O2
IUPAC Name:
3,3'-(3,6-dioxo-2,3,5,6-tetrahydropyrrolo[3,4-c]pyrrole-1,4-diyl)dibenzonitrile

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:
-
EC Number:
412-640-1
EC Name:
-
CAS Number:
84632-50-8
Molecular formula:
C20 H10 N4 O2
IUPAC Name:
3,3'-(3,6-dioxo-2,3,5,6-tetrahydropyrrolo[3,4-c]pyrrole-1,4-diyl)dibenzonitrile

Characterisation of nanoforms

Type of information reported:
single nanoform
Name of nanoform:
Boundary composition Pigment orange 71_nanoform

Shape

Shape description
Shape category:
elongated
Shape:
rod
Pure shape:
yes
Typical composition:
>= 80 %
Range:
> 80 - <= 100 %

Particle size distribution and range

Particle size distribution and range
Shape category:
elongated
Percentileopen allclose all
Percentile:
D50
Typical value:
ca. 55 nm
Range:
> 10 - <= 200 nm
Percentile:
D10
Typical value:
ca. 40 nm
Range:
> 10 - <= 200 nm
Percentile:
D90
Typical value:
ca. 90 nm
Range:
> 10 - <= 200 nm
Typical length:
ca. 180 nm
Range of length:
> 90 - <= 300 nm
Typical aspect ratio (:1):
ca. 3 :1
Range of aspect ratio (:1):
>= 1.5 - <= 7
Fraction of constituent particles in the size range 1-100 nm:
> 80 - <= 100 %

Crystallinity

Structures
Structure:
crystalline
Name:
boundary composition Pigmetn orange 71_nanoform
Pure structure:
yes
Typical composition:
> 80 %
Range:
>= 80 - <= 100 %
Description:
Determination of crystal lattice is unclear based on TEM and would need Rietveld refinement based on powder X-ray difffractogramm,
https://en.wikipedia.org/wiki/Rietveld_refinement
which is not available.

Specific surface area

Typical specific surface area:
ca. 80 m²/g
Range of specific surface area:
> 50 - <= 150 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:
-
EC Number:
412-640-1
EC Name:
-
CAS Number:
84632-50-8
Molecular formula:
C20 H10 N4 O2
IUPAC Name:
3,3'-(3,6-dioxo-2,3,5,6-tetrahydropyrrolo[3,4-c]pyrrole-1,4-diyl)dibenzonitrile

Characterisation of nanoforms

Type of information reported:
single nanoform
Name of nanoform:
LE Pigment Orange 71_nanoform

Shape

Shape description
Shape category:
elongated
Shape:
rod
Pure shape:
yes
Typical composition:
>= 95 %
Range:
> 80 - <= 99 %

Particle size distribution and range

Particle size distribution and range
Shape category:
elongated
Percentileopen allclose all
Percentile:
D50
Typical value:
ca. 55 nm
Range:
>= 20 - <= 200 nm
Percentile:
D90
Typical value:
ca. 91 nm
Range:
>= 50 - <= 200 nm
Percentile:
D10
Typical value:
ca. 37 nm
Range:
>= 20 - <= 200 nm
Typical length:
ca. 185 nm
Range of length:
>= 50 - <= 300 nm
Typical aspect ratio (:1):
ca. 3 :1
Range of aspect ratio (:1):
>= 2 - <= 7
Fraction of constituent particles in the size range 1-100 nm:
> 80 - <= 100 %

Crystallinity

Structures
Structure:
crystalline
Name:
LE Pigment orange 71_nanoform
Pure structure:
yes
Description:
Determination of crystal lattice is unclear based on TEM and would need Rietveld refinement based on powder X-ray difffractogramm, which is not available.
https://en.wikipedia.org/wiki/Rietveld_refinement

Assessed as crystalline based on TEM pictures form attached dossier ID 31.
It is well known in the field of Pigments, that powder X-Ray diffraction mesurements of very fine crystals cannot be used to properly define the crystal system and/or Bravais lattice due to signal broadening.
(e.g. Herbst, Hunger, Industrial Organic Pigments VCH, 1993, p.44)

Specific surface area

Typical specific surface area:
ca. 86 m²/g
Range of specific surface area:
> 50 - < 150 m²/g

Surface functionalisation / treatment

Surface treatment applied:
no

Composition(s) generated upon use

Other types of composition(s)