Eriochrome® Blue Black R , Indicator , 【2538-85-4】
Molecular Formula: C20H13N2O5S.Na
Formula Weight: 416.39
2-Hydroxy-1-(2-hydroxy-1-naphthylazo)naphthalene-4-sulfonic acid sodium salt;Calcon (C.I.15705)
2-Hydroxy-1-(2-hydroxy-1-naphthylazo)naphthalene-4-sulfonic acid sodium salt;Calcon (C.I.15705)
Chrome blue-black R indicator , 0.2%（w/w）inSodiumchloride , 【2538-85-4】
Molecular Formula: C20H13N2O5S.Na
Formula Weight: 416.39
2-Hydroxy-1-(2-hydroxy-1-naphthylazo)naphthalene-4-sulfonic acid sodium salt;Calcon (C.I.15705)
2-Hydroxy-1-(2-hydroxy-1-naphthylazo)naphthalene-4-sulfonic acid sodium salt;Calcon (C.I.15705)
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