Pigment Red 42
Name:C.I.Pigment Red 42,C.I.21210
Molecular Structure: Double azo
C.I.Pigment Red 42,C.I.21210,CAS 6358-90-3,730.73,C38H34N8O8
Molecular Formula:C38H34N8O8
Molecular Weight: 730.73
CAS Registry Number:6358-90-3
Manufacturing Methods :3,3′-Dimethoxylbenzidine double nitrogen, and Ethyl 5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylate (2 Moore) coupling.
Properties and Applications:bordeaux. Hardly soluble in ethanol, insoluble in water.
| Light Fastness | Heat resistance(℃ ) | Sodium carbonate(5%) | Muriatic acid(5%) | Oleic acid | PVC migration | Soap micelle bleeding | |
| Melting point | Stable | ||||||
| Well | Excellent | unchanging | unchanging | Insoluble | Excellent | ||
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