[CN] 1-Naphthol-3,6-disulfonic acid disodium salt Nov 15, 2018
product name:1-Naphthol-3,6-disulfonic acid disodium salt
other name:violet acid disodium salt;disodium 4-hydroxynaphthalene-2,7-disulphonate
cas no :20349-39-7
formula:C10H6Na2O7S2
molecular weight:348.26000
purity:min99%