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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Barium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
EC Number:
241-806-4
EC Name:
Barium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
CAS Number:
17852-98-1
Molecular formula:
C18H14N2O6S.Ba
IUPAC Name:
barium 3-hydroxy-4-[(4-methyl-2-sulfonatophenyl)diazenyl]-2-naphthoate

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:
Barium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
EC Number:
241-806-4
EC Name:
Barium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
CAS Number:
17852-98-1
Molecular formula:
C18H14N2O6S.Ba
IUPAC Name:
barium 3-hydroxy-4-[(4-methyl-2-sulfonatophenyl)diazenyl]-2-naphthoate

Characterisation of nanoforms

Type of information reported:
single nanoform
Name of nanoform:
PR57:2 / D&C Red 6 Ba Lake_Nanoform_Multimodal

Shape

Shape descriptionopen allclose all
Shape category:
spheroidal
Shape:
spherical
Pure shape:
no
Typical composition:
ca. 20 %
Range:
>= 0 - <= 100 %
Shape category:
spheroidal
Shape:
cubic
Pure shape:
no
Typical composition:
ca. 29 %
Range:
>= 0 - <= 100 %
Shape category:
spheroidal
Shape:
polyhedral
Pure shape:
no
Typical composition:
ca. 45 %
Range:
>= 0 - <= 100 %
Shape category:
elongated
Shape:
rod
Pure shape:
no
Typical composition:
ca. 6 %
Range:
>= 0 - <= 100 %

Particle size distribution and range

Particle size distribution and rangeopen allclose all
Shape category:
spheroidal
Percentileopen allclose all
Percentile:
D10
Typical value:
ca. 29 nm
Range:
>= 10 - <= 60 nm
Percentile:
D50
Typical value:
ca. 44 nm
Range:
>= 20 - <= 100 nm
Percentile:
D90
Typical value:
ca. 86 nm
Range:
>= 60 - <= 150 nm
Fraction of constituent particles in the size range 1-100 nm:
>= 50 - <= 100 %
Shape category:
elongated
Percentileopen allclose all
Percentile:
D10
Typical value:
ca. 36 nm
Range:
>= 10 - 60 nm
Percentile:
D50
Typical value:
ca. 41 nm
Range:
>= 20 - <= 100 nm
Percentile:
D90
Typical value:
ca. 111 nm
Range:
>= 60 - <= 200 nm
Typical length:
ca. 244 nm
Range of length:
>= 25 - <= 1 000 nm
Typical aspect ratio (:1):
ca. 3.9 :1
Range of aspect ratio (:1):
>= 3 - <= 9
Fraction of constituent particles in the size range 1-100 nm:
>= 50 - <= 100 %

Crystallinity

Structures
Structure:
crystalline
Name:
C.I. Pigment Red 57:2 / D&C Red 6 Barium Lake
Pure structure:
yes
Typical composition:
ca. 100 %
Range:
>= 95 - <= 100 %

Specific surface area

Typical specific surface area:
ca. 17.447 m²/g
Range of specific surface area:
>= 10 - <= 200 m²/g
Skeletal density:
ca. 2.384 g/cm³

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:
Barium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
EC Number:
241-806-4
EC Name:
Barium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
CAS Number:
17852-98-1
Molecular formula:
C18H14N2O6S.Ba
IUPAC Name:
barium 3-hydroxy-4-[(4-methyl-2-sulfonatophenyl)diazenyl]-2-naphthoate

Characterisation of nanoforms

Type of information reported:
single nanoform
Name of nanoform:
PR57:2 / D&C Red 6 Barium Lake_Nanoform_Multimodal

Shape

Shape descriptionopen allclose all
Shape category:
spheroidal
Shape:
spherical
Pure shape:
no
Typical composition:
ca. 20 %
Range:
>= 0 - <= 100 %
Shape category:
spheroidal
Shape:
cubic
Pure shape:
no
Typical composition:
ca. 29 %
Range:
>= 0 - <= 100 %
Shape category:
spheroidal
Shape:
polyhedral
Pure shape:
no
Typical composition:
ca. 45 %
Range:
>= 0 - <= 100 %
Shape category:
elongated
Shape:
rod
Pure shape:
no
Typical composition:
ca. 6 %
Range:
>= 0 - <= 100 %

Particle size distribution and range

Particle size distribution and rangeopen allclose all
Shape category:
spheroidal
Percentileopen allclose all
Percentile:
D10
Typical value:
ca. 29 nm
Range:
>= 10 - ca. 60 nm
Percentile:
D50
Typical value:
ca. 44 nm
Range:
>= 20 - <= 100 nm
Percentile:
D90
Typical value:
ca. 86 nm
Range:
> 60 - <= 150 nm
Fraction of constituent particles in the size range 1-100 nm:
>= 50 - <= 100 %
Shape category:
elongated
Percentileopen allclose all
Percentile:
D10
Typical value:
ca. 36 nm
Range:
>= 10 - <= 60 nm
Percentile:
D50
Typical value:
ca. 41 nm
Range:
>= 20 - <= 100 nm
Percentile:
D90
Typical value:
ca. 111 nm
Range:
>= 60 - <= 200 nm
Typical length:
ca. 244 nm
Range of length:
>= 25 - <= 1 000 nm
Typical aspect ratio (:1):
ca. 3.9 :1
Range of aspect ratio (:1):
>= 3 - <= 9
Fraction of constituent particles in the size range 1-100 nm:
>= 50 - <= 100 %

Crystallinity

Structures
Structure:
crystalline
Name:
PR57:2 / D&C Red 6 Barium Lake
Pure structure:
yes
Typical composition:
ca. 100 %
Range:
>= 95 - <= 100 %

Specific surface area

Typical specific surface area:
ca. 17.447 m²/g
Range of specific surface area:
>= 5 - <= 200 m²/g
Skeletal density:
ca. 2.384 g/cm³

Surface functionalisation / treatment

Surface treatment applied:
no
State Form:
solid: nanoform


Constituent 1
Chemical structure
Reference substance name:
Barium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
EC Number:
241-806-4
EC Name:
Barium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
CAS Number:
17852-98-1
Molecular formula:
C18H14N2O6S.Ba
IUPAC Name:
barium 3-hydroxy-4-[(4-methyl-2-sulfonatophenyl)diazenyl]-2-naphthoate

Characterisation of nanoforms

Type of information reported:
single nanoform
Name of nanoform:
Pigment Red 57:2 / D&C Red 6 Barium Lake nanoform

Shape

Shape descriptionopen allclose all
Shape category:
elongated
Shape:
rod
Pure shape:
no
Typical composition:
ca. 80 %
Range:
>= 50 - <= 100 %
Shape category:
spheroidal
Shape:
polyhedral
Pure shape:
no
Typical composition:
ca. 20 %
Range:
>= 0 - <= 50 %

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:
>= 10 - <= 35 nm
Percentile:
D50
Typical value:
ca. 35 nm
Range:
>= 20 - <= 50 nm
Percentile:
D90
Typical value:
ca. 62 nm
Range:
>= 60 - <= 90 nm
Typical length:
ca. 132 nm
Range of length:
>= 25 - <= 750 nm
Typical aspect ratio (:1):
ca. 3.7 :1
Range of aspect ratio (:1):
>= 3 - <= 8
Additional information:
The determined particle size distribution relates to both shape categories. The smallest dimension of all particles has been considered.
Fraction of constituent particles in the size range 1-100 nm:
>= 80 - <= 100 %
Shape category:
spheroidal
Percentileopen allclose all
Percentile:
D10
Typical value:
ca. 20 nm
Range:
>= 10 - <= 35 nm
Percentile:
D50
Typical value:
>= 35 nm
Range:
>= 20 - <= 50 nm
Percentile:
D90
Typical value:
ca. 62 nm
Range:
>= 60 - <= 90 nm
Additional information:
The determined particle size distribution relates to both shape categories. The smallest dimension of all particles has been considered.
Fraction of constituent particles in the size range 1-100 nm:
>= 80 - <= 100 %

Crystallinity

Structures
Structure:
crystalline
Name:
Pigment Red 57:2 / D&C Red 6 Barium Lake
Pure structure:
yes
Typical composition:
>= 90 %
Range:
>= 90 - <= 100 %
Description:
XRD generally underestimates crystalline fraction, therefore it can be assumed that the sample is fully crytalline. Determination of Crystall system and bravais lattice was not possible, because traces of Barium Sulfate scatter much stronger than any organic pigment crystal.

Specific surface area

Typical specific surface area:
ca. 25 m²/g
Range of specific surface area:
>= 10 - <= 50 m²/g

Surface functionalisation / treatment

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


Constituent 1
Chemical structure
Reference substance name:
Barium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
EC Number:
241-806-4
EC Name:
Barium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
CAS Number:
17852-98-1
Molecular formula:
C18H14N2O6S.Ba
IUPAC Name:
barium 3-hydroxy-4-[(4-methyl-2-sulfonatophenyl)diazenyl]-2-naphthoate

Composition(s) generated upon use

Other types of composition(s)