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89806-64-4 1-naphthalenesulfonic acid, 3-hydroxy-4-[(4-sulfophenyl)azo]-, disodiumsalt

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Product Name 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(4-sulfophenyl)azo]-, disodiumsalt
CAS No. 89806-64-4
Molecular Formula C16H12N2O7S2・2Na