Pigment Red 2

Pigment Red 2 Basic information
Product Name:Pigment Red 2
Synonyms:c.i. 12310;Pigment Red 2;PR2-NAPHTHOL RED FRR;Fast Scarlet F2R;2-Naphthalenecarboxamide, 4-(2,5-dichlorophenyl)azo-3-hydroxy-N-phenyl-;CONFASTRED2R;IRGALITEREDFBX;CIPIGMENTRED2R
CAS:6041-94-7
MF:C23H15Cl2N3O2
MW:436.29
EINECS:227-930-1
Product Categories:Organics;Dyes and Pigments
Mol File:6041-94-7.mol
Pigment Red 2 Structure
Pigment Red 2 Chemical Properties
Melting point 310-311°C
Boiling point 595.2±50.0 °C(Predicted)
density 1.38±0.1 g/cm3(Predicted)
vapor pressure 0Pa at 25℃
solubility 8.63mg/L in organic solvents at 20 ℃
pka10.63±0.50(Predicted)
form Solid
color Red to Dark Red
Water Solubility <0.1 g/100 mL at 19 ºC
Stability:Stable. Incompatible with strong oxidizing agents.
LogP3.2 at 23℃
CAS DataBase Reference6041-94-7(CAS DataBase Reference)
EPA Substance Registry SystemC.I. Pigment Red 2 (6041-94-7)
Safety Information
MSDS Information
ProviderLanguage
4-[(2,5-Dichlorophenyl)azo]-3-hydroxy-N-phenylnaphthalene-2-carboxamideEnglish
Pigment Red 2 Usage And Synthesis
Chemical Propertiesyellowish red or dark red powder
General DescriptionYellowish red solid with a tint of pink or dark red powder.
Air & Water ReactionsAzo dyes can be explosive when suspended in air at specific concentrations. Insoluble in water.
Reactivity ProfilePigment Red 2 is an azo compound. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.
Fire HazardFlash point data for Pigment Red 2 are not available, however Pigment Red 2 is probably combustible.
Flammability and ExplosibilityNotclassified
Properties and ApplicationsTEST ITEMSSPECIFICATIONAPPEARANCERED POWDERSHADEBLUISHHEAT RESISTANCE140 °C minLIGHT FASTNESS5~6ACID RESISTANCE4ALKALI RESISTANCE4FASTNESS TO BLEEDING5OIL ABSORPTION40-45%SPECIFIC SURFACE25 m /gDENSITY1.60 g/cm 3RESIDUE ON 80 MESH5.0% maxWATER SOLUBLE1.0% maxVOLATITE 105 °C1.0% maxTINTING STRENGTH100-105 %
Pigment Red 2 Preparation Products And Raw materials

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