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Acid Metanil Yellow Dye is most commonly utilized as pH indicator in analytical chemistry applications and shows pH range of 1.2 to 2.3. With chemical formula C18H15N3NaO3S and molecular weight of 376.39 g/mol, it has high melting point of more than 250 degrees Celsius. This yellow colored dye finds use for various non-food applications. Offered Acid Metanil Yellow Dye is known to be anionic & water soluble in nature and is completely suitable to be utilized for silk, nylon, & wool fibers.