Product

Pigment Red 8

CAS No.：6410-30-6

Other grades of this product :

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 Chemical Properties

Boiling point	641.3±55.0 °C(Predicted)
density	1.40±0.1 g/cm3(Predicted)
vapor pressure	0Pa at 25℃
pka	11.15±0.70(Predicted)
Water Solubility	40ng/L at 25℃
LogP	8.88 at 25℃
CAS DataBase Reference	6410-30-6(CAS DataBase Reference)
EPA Substance Registry System	2-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 Explosibility

Notclassified

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 %

Pigment Red 8 Preparation Products And Raw materials

Raw materials

Sodium hydroxide-->Hydrochloric acid-->Sodium nitrite-->2-Methyl-5-nitroaniline-->Emulsion oil-->Naphthol AS-E-->N,N'-(3,3'-Dimethyl-4,4'-biphenyldiyl)bis(3-oxobutanamide)

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