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61109-31-7 2,7-naphthalenedisulfonic acid,4-amino-3-[(2,4-dimethylphenyl)azo]-5-hydroxy-, disodium s

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Product Name 2,7-Naphthalenedisulfonic acid,4-amino-3-[(2,4-dimethylphenyl)azo]-5-hydroxy-, disodium salt
CAS No. 61109-31-7
Molecular Formula C18H17N3O7S2・2Na