Pigment Red 144 Chemical Properties

Boiling point:

902.0±65.0 °C(Predicted)

Density 

1.53

pka

10.37±0.70(Predicted)

Water Solubility 

11.2μg/L at 26℃

LogP

0.29 at 25℃

EPA Substance Registry System

2-Naphthalenecarboxamide, N,N'-(2-chloro-1,4-phenylene)bis[4-[(2,5-dichlorophenyl)azo]-3-hydroxy- (5280-78-4)

Pigment Red 144 Usage And Synthesis

Chemical Properties

Red powder, bright color, high tinting strength, excellent light fastness, heat resistance can be stable to 180 ℃, excellent solvent resistance, good acid resistance (5%HCl) and alkali resistance (5%Na2CO3) (non-fading) .

Uses

Pigment Red 144 has excellent performance and is suitable for the coloring of paints, inks, plastics and rubber products, and can also be used for the coloring of synthetic fiber puree.

Flammability and Explosibility

Not classified

Synthesis

Pigment Red 144 can be prepared by coupling 2,5-dichloroaniline diazonium salt with 2,3-acid, acidifying with hydrochloric acid, acyl chloride with thionyl chloride, and then condensing with o-chloro-p-phenylenediamine.

Pigment Red 144(5280-78-4)Related Product Information

• Pigment Red 122
• Vat Orange 3
• Pigment Red 2
• CI NO 77605
• Pigment Red 177
• Pigment Red 123
• Pigment Red 122
• Pigment Red 5
• N,N-Dimethylformamide
• Pigment Red 53:1
• Pigment Red 188
• 4-PHENYLAZOPHENOL
• Formamide
• Pigment Geen 7
• Pigment Red 254
• Dichlorodiphenylsilane
• Difluorochloromethane
• Pigment Red 144