4-[[5-[[[4-(aminocarbonyl)phenyl]amino]carbonyl]-2-methoxyphenyl]azo]-N-(5-chloro-2,4-dimethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide

Manufacture

Manufacture

Manufacture name:

Industrial manufacture of the pigment

Reference

Name:

4-[[5-[[[4-(aminocarbonyl)phenyl]amino]carbonyl]-2-methoxyphenyl]azo]-N-(5-chloro-2,4-dimethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide

Type of composition:

legal entity composition of the substance

State / form:

solid: nanoform

Related composition:

4-[[5-[[[4-(aminocarbonyl)phenyl]amino]carbonyl]-2-methoxyphenyl]azo]-N-(5-chloro-2,4-dimethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide

> 96 - < 100 % (w/w)

Reference substance:

4-[[5-[[[4-(aminocarbonyl)phenyl]amino]carbonyl]-2-methoxyphenyl]azo]-N-(5-chloro-2,4-dimethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide

Reference substance:

4-[[5-[[[4-(aminocarbonyl)phenyl]amino]carbonyl]-2-methoxyphenyl]azo]-N-(5-chloro-2,4-dimethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide

This impurity is considered relevant for the classification and labelling of the substance

Type of information reported:

single nanoform

Name of nanoform:

C.I. Pigment Red 187 - joint submission

Shape category:

spheroidal

Remarks:

multimodal shapes containing about 68% spheroidal particles and about 32% elongated particles

Shape:

cubic

Pure shape:

no

Typical composition:

ca. 65 %

Range:

> 20 - < 90 %

Shape category:

spheroidal

Remarks:

multimodal shapes containing about 68% spheroidal particles and about 32% elongated particles

Shape:

spherical

Pure shape:

no

Typical composition:

ca. 3 %

Range:

> 0 - < 10 %

Shape category:

elongated

Remarks:

multimodal shapes containing about 68% spheroidal particles and about 32% elongated particles

Shape:

rod

Pure shape:

no

Typical composition:

ca. 32 %

Range:

> 10 - < 70 %

Shape category:

spheroidal

Remarks:

multimodal shapes containing abot 68% spheroidal particles and about 32% elongated particles

Percentile:

D10

Typical value:

0.02 μm

Range:

ca. 0.01 - ca. 0.03 μm

Percentile:

D50

Typical value:

0.03 μm

Range:

ca. 0.02 - ca. 0.04 μm

Percentile:

D90

Typical value:

0.045 μm

Range:

ca. 0.035 - ca. 0.055 μm

Fraction of constituent particles in the size range 1-100 nm:

>= 90 - <= 100 %

Shape category:

elongated

Remarks:

multimodal shapes containing abot 68% spheroidal particles and about 32% elongated particles

Percentile:

D10

Typical value:

0.02 μm

Range:

ca. 0.01 - ca. 0.03 μm

Percentile:

D50

Typical value:

0.03 μm

Range:

ca. 0.02 - ca. 0.04 μm

Percentile:

D90

Typical value:

0.045 μm

Range:

ca. 0.035 - ca. 0.055 μm

Typical length:

0.138 μm

Range of length:

>= 0.06 - <= 0.215 μm

Typical aspect ratio (:1):

ca. 4 :1

Range of aspect ratio (:1):

>= 3 - <= 5

Fraction of constituent particles in the size range 1-100 nm:

>= 90 - <= 100 %

Structure:

crystalline

Name:

C.I. Pigment Red 187

Pure structure:

yes

Crystal system:

other: not known

Typical specific surface area:

72 m²/g

Range of specific surface area:

>= 50 - <= 94 m²/g

Skeletal density:

1.476 g/cm³

Surface treatment applied:

no

Contributing activity / technique for the environment

Environmental release category (ERC):

ERC1: Manufacture of the substance

Contributing activity / technique for workers

Process category (PROC):

PROC 4: Chemical production where opportunity for exposure arises

PROC 8b: Transfer of substance or mixture (charging and discharging) at dedicated facilities

PROC 15: Use as laboratory reagent

PROC28: Manual maintenance (cleaning and repair) of machinery