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 ApplicationsTEST ITEMSSPECIFICATIONAPPEARANCERED POWDERSHADEBLUISHHEAT RESISTANCE160 °C minLIGHT FASTNESS5~6ACID RESISTANCE5ALKALI RESISTANCE5FASTNESS TO BLEEDING4OIL ABSORPTION45-50%SPECIFIC SURFACE26 m /gDENSITY1.60 g/cm 3RESIDUE ON 80 MESH5.0% maxWATER SOLUBLE1.0% maxVOLATITE 105 °C1.0% maxTINTING STRENGTH100-105 %
Pigment Red 8 Preparation Products And Raw materials
Raw materialsSodium 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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