Pigment Red 258
Name:C.I.Pigment Red 258,C.I.12318
Molecular Structure: Single azo
C.I.Pigment Red 258,C.I.12318,CAS 57301-22-1,551.61,C31H25N3O5S,Suimei Fast Red LG,Seikafast Red 3520Y
Molecular Formula:C31H25N3O5S
Molecular Weight: 551.61
CAS Registry Number:57301-22-1
Manufacturing Methods : 2-Amino-4-benzylsulfonylanisole diazotization, and 3-Hydroxy-N-phenyl-2-naphthamide coupling.
Properties and Applications:yellow red.
| Light Fastness | Heat resistance(℃ ) | Sodium carbonate(5%) | Muriatic acid(5%) | Oleic acid | PVC migration | Soap micelle bleeding | |
| Melting point | Stable | ||||||
| Well | 307 | 150 | unchanging | unchanging | Slightly soluble | Well | Slightly |
List of Suppliers:
Seikafast Red 3520Y (Dainichiseika Color & Chemicals)
Seikafast Red 5320(Dainichiseika Color & Chemicals)
Suimei Fast Red LG( Kaseihin Kogyo Kyokai )