89806-80-4 2,7-Naphthalenedisulfonic acid,4-hydroxy-3-[[4-(phenylazo)phenyl]azo]-, dipotassium salt

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Basic

CAS No. 89806-80-4
Product Name 2,7-Naphthalenedisulfonic acid,4-hydroxy-3-[[4-(phenylazo)phenyl]azo]-, dipotassium salt
Molecular Formula C22H16N4O7S2・2K

Physical property