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89310-62-3 2,7-naphthalenedisulfonic acid,4-hydroxy-3-[(5-sulfo-2-naphthalenyl)azo]-, tripotassium s

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Product Name 2,7-Naphthalenedisulfonic acid,4-hydroxy-3-[(5-sulfo-2-naphthalenyl)azo]-, tripotassium salt
CAS No. 89310-62-3
Molecular Formula C20H14N2O10S3・3K