ChemicalBook Product Catalog Dyes and Pigments Pigment Organic pigments Pigment Red 8

Pigment Red 8

Pigment Red 8 Basic information
Product Name:Pigment Red 8
Synonyms:PIGMENT RED 8;C.I. 12335;Pigment Permanent Red F4R;n-(4-chlorophenyl)-3-hydroxy-4-[(2-methyl-5-nitrophenyl)azo]-2-naphthalenecarboxamide;N-(4-chlorophenyl)-3-hydroxy-4-[(2-methyl-5-nitrophenyl)azo]naphthalene-2-carboxamide;Fast Red F4R;Pigment Red F 4 R;2-Naphthalenecarboxamide, N-(4-chlorophenyl)-3-hydroxy-4-(2-methyl-5-nitrophenyl)azo-
CAS:6410-30-6
MF:C24H17ClN4O4
MW:460.87
EINECS:229-100-4
Product Categories:Organics;Dyes and Pigments
Mol File:6410-30-6.mol
Pigment Red 8 Structure
Pigment Red 8 Chemical Properties
Boiling point 641.3±55.0 °C(Predicted)
density 1.40±0.1 g/cm3(Predicted)
vapor pressure 0Pa at 25℃
pka11.15±0.70(Predicted)
Water Solubility 40ng/L at 25℃
LogP8.88 at 25℃
CAS DataBase Reference6410-30-6(CAS DataBase Reference)
EPA Substance Registry System2-Naphthalenecarboxamide, N-(4-chlorophenyl)-3-hydroxy-4-[(2-methyl-5-nitrophenyl)azo]- (6410-30-6)
Safety Information
MSDS Information
Pigment Red 8 Usage And Synthesis
Flammability and ExplosibilityNotclassified
Properties and Applications

TEST ITEMS

SPECIFICATION

APPEARANCE

RED POWDER

SHADE

BLUISH

HEAT RESISTANCE

160 °C min

LIGHT FASTNESS

5~6

ACID RESISTANCE

5

ALKALI RESISTANCE

5

FASTNESS TO BLEEDING

4

OIL ABSORPTION

45-50%

SPECIFIC SURFACE

26 m 2 /g

DENSITY

1.60 g/cm 3

RESIDUE ON 80 MESH

5.0% max

WATER SOLUBLE

1.0% max

VOLATITE 105 °C

1.0% max

TINTING STRENGTH

100-105 %

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