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10134-03-9 1-naphthalenesulfonic acid, 4-hydroxy-3-[(8-sulfo-2-naphthalenyl)azo]-,disodium salt

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Product Name 1-Naphthalenesulfonic acid, 4-hydroxy-3-[(8-sulfo-2-naphthalenyl)azo]-,disodium salt
CAS No. 10134-03-9
Molecular Formula C20H14N2O7S2・2Na