Pigment Red 256
Name:C.I.Pigment Red 256,C.I.124635
Molecular Structure: Single azo
C.I.Pigment Red 256,C.I.124635,573.45,C26H22Cl2N4O5S,Permanent Scarlet 3RLF,Sandosperse Scarlet E-3RLF
Molecular Formula:C26H22Cl2N4O5S
Molecular Weight: 573.45
CAS Registry Number:
Manufacturing Methods : 4-Amino-2,5-dichloro-N,N-dimethylbenzenesulfonamide diazotization, and 2′-Methoxy-3-hydroxy-2-naphthanilide coupling.
Properties and Applications:brilliant yellow red
| Light Fastness | Heat resistance(℃ ) | Sodium carbonate(5%) | Muriatic acid(5%) | Oleic acid | PVC migration | Soap micelle bleeding | |
| Melting point | Stable | ||||||
| Good | 160(30min) | unchanging | unchanging | ||||
List of Suppliers:
Graphtol Scarlet 3RLF ( Sandoz Ltd )
Permanent Scarlet 3RLF ( Clariant GmbH )
Sandosperse Scarlet E-3RLF ( Clariant GmbH )