Sulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]

CAS: 68504-35-8

Ref. 3B-A5010

Product Information

• Name: Sulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]
• Synonyms: 2,7-Bis(2-sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonic Acid Tetrasodium Salt, 2,7-Bis(2-sulphophenylazo)chromotropic acid tetrasodium salt, 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3,6-bis[(2-sulfophenyl)azo]-, tetrasodium salt, 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3,6-bis[2-(2-sulfophenyl)diazenyl]-, sodium salt (1:4), 3,6-Bis(2-sulfophenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid, tetrasodium salt, Sodium 4,5-dihydroxy-3,6-bis[2-(2-sulfophenyl)diazenyl]-2,7-naphthalenedisulfonate (4:1), tetrasodium (3Z,6Z)-4,5-dioxo-3,6-bis[(2-sulfonatophenyl)hydrazono]-3,4,5,6-tetrahydronaphthalene-2,7-disulfonate
• CAS: 68504-35-8
• Brand: TCI

Chemical properties

• Molecular weight: 776.55
• Formula: C₂₂H₁₂N₄Na₄O₁₄S₄
• Purity: >90.0%(HPLC)
• Color/Form: Dark green to Black powder to crystal