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Pigment Red 258

Catalog Number DYE-PIG-0359
CAS Number 57301-22-1
Structure
Synonyms Suimei Fast Red LG, Seikafast Red 3520Y
Molecular Weight 551.61
Molecular Formula C31H25N3O5S
CI Number C.I.12318
Color yellow red.
Lightfastness Well
Main Molecular Structure Single azo
Oleic Acid Slightly soluble
Preparation Method 2-Amino-4-benzylsulfonylanisole diazotization, and 3-Hydroxy-N-phenyl-2-naphthamide coupling.
PVC Migration Well
Soap Micelle Bleeding Slightly

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