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61109-33-9 1,7-naphthalenedisulfonic acid, 5-[(2,4-dimethylphenyl)azo]-6-hydroxy-,disodium salt

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Product Name 1,7-Naphthalenedisulfonic acid, 5-[(2,4-dimethylphenyl)azo]-6-hydroxy-,disodium salt
CAS No. 61109-33-9
Molecular Formula C18H16N2O7S2・2Na