Pigment Red 4

Pigment Red 4 Basic information
Product Name:Pigment Red 4
Synonyms:PERMANENT RED 2B;PIGMENT RED 4;C.I. 12085;1-(2-Chloro-4-nitrophenylazo)-2-naphthol;Pigment Red 4 (C.I.);1-((2-chloro-4-nitrophenyl)azo)-2-naphtaleno;1-((2-chloro-4-nitrophenyl)azo)-2-naphtho;1-[(2-chloro-4-nitrophenyl)azo]-2-naphthaleno
CAS:2814-77-9
MF:C16H10ClN3O3
MW:327.72
EINECS:220-562-2
Product Categories:Organics;Dyes and Pigments
Mol File:2814-77-9.mol
Pigment Red 4 Structure
Pigment Red 4 Chemical Properties
Boiling point 558.9±50.0 °C(Predicted)
density 1.4414 (rough estimate)
refractive index 1.6470 (estimate)
Colour Index 12085
pka13.50±0.50(Predicted)
form powder to crystal
color Orange to Brown
LogP5.252 (est)
CAS DataBase Reference2814-77-9(CAS DataBase Reference)
EPA Substance Registry SystemC.I. Pigment Red 4 (2814-77-9)
Safety Information
Hazard Codes Xi
Risk Statements 36
Safety Statements 26
RTECS QL3436000
Hazardous Substances Data2814-77-9(Hazardous Substances Data)
MSDS Information
Pigment Red 4 Usage And Synthesis
UsesPigment Red 4 (cas# 2814-77-9) is a useful research chemical. Dyes and metabolites, Environmental Testing.Is used in process for treating keratin materials using Acrylic Anhydride polymer in oily dispersions and plasticizer and Amine.
Properties and ApplicationsTEST ITEMSSPECIFICATIONAPPEARANCERED POWDERSHADEBLUISHHEAT RESISTANCE180 °C minLIGHT FASTNESS6ACID RESISTANCE5ALKALI RESISTANCE5FASTNESS TO BLEEDING4OIL ABSORPTION40-45%SPECIFIC SURFACE28 m /gDENSITY1.60 g/cm 3RESIDUE ON 80 MESH5.0% maxWATER SOLUBLE1.0% maxVOLATITE 105 °C1.0% maxTINTING STRENGTH100-105 %
Pigment Red 4 Preparation Products And Raw materials
Raw materialsSodium hydroxide–>Hydrochloric acid–>Sodium nitrite–>Urea–>2-Naphthol–>2-Chloro-4-nitroaniline–>4-[(2-hydroxy-1-naphthyl)azo]benzenesulphonic acid

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