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18483-28-8 2,7-naphthalenedisulfonic acid, 4-[(2-ethylphenyl)azo]-3-hydroxy-,disodium salt

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Product Name 2,7-Naphthalenedisulfonic acid, 4-[(2-ethylphenyl)azo]-3-hydroxy-,disodium salt
CAS No. 18483-28-8
Molecular Formula C18H16N2O7S2・2Na