(4-Nitro-2-Aminophenol-2- Sulfonic Acid) 4-NAPSA (Free Acid)

Certificate of Analysis

Molecular Formula    C6H6O6N2S    Molecular Weight    234=N    Description    Pinkish Brown Colorful    Nature of Material    Centrifuged Material    Solubility    Soluble in Di-Alkaline    Strength by U.V.    85% Min.    Insoluble    Less than 0.2    Chlorination    Absent    PMCB    Absent    Purity by HPLC    98% Min