Chemical Name: Naphthol AS-D
CAS No.: 135-61-5
Molecular Formula: C18H15NO2
Molecular weight: 277.32
Appearance:Lightblue powder
Assay: 99%
Chemical Name:Naphthol-4-sulfonic acid (Winther's acid)
CAS No.: 84-87-7
Molecular Formula: C10H8O4S
Molecular Weight:224.23
Appearance:Grayish-white powder
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