Introduction：Basic information about Pigment Red 144 CAS 5280-78-4, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Pigment Red 144 Basic information
| Product Name: | Pigment Red 144 |
| Synonyms: | Pigment Red 144;N,N'-(2-chloro-1,4-phenylene)bis[4-[(2,5-dichlorophenyl)azo]-3-hydroxynaphthalene-2-carboxamide];Cromophtal Red Br (CGY,SNA);Large Molecular Red BR;2-Naphthalenecarboxamide, N,N-(2-chloro-1,4-phenylene)bis4-(2,5-dichlorophenyl)azo-3-hydroxy-;Pigment red 144 (C.I. 20735);Fast Red BR;C.I. 20735 |
| CAS: | 5280-78-4 |
| MF: | C40H23Cl5N6O4 |
| MW: | 828.91 |
| EINECS: | 226-106-9 |
| Product Categories: | Organics;Dyes and Pigments |
| Mol File: | 5280-78-4.mol |
|
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) |
Safety Information
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 Preparation Products And Raw materials
