CAS: 68504-35-8 - Sodium 4,5-dihydroxy-3,6-bis[2-(2-sulfophenyl)diazenyl]-2,7-naphthalenedisulfonate (4:1)

Formula: C₂₂H₁₆N₄O₁₄S₄·4Na

InChI: InChI=1S/C22H16N4O14S4.4Na/c27-21-18-11(9-16(43(35,36)37)19(21)25-23-12-5-1-3-7-14(12)41(29,30)31)10-17(44(38,39)40)20(22(18)28)26-24-13-6-2-4-8-15(13)42(32,33)34;;;;/h1-10,27-28H,(H,29,30,31)(H,32,33,34)(H,35,36,37)(H,38,39,40);;;;

InChI key: InChIKey=ICEUYUOXSNZQAP-UHFFFAOYSA-N

SMILES: [Na].O=S(=O)(O)C=1C=CC=CC1N=NC2=C(O)C=3C(O)=C(N=NC=4C=CC=CC4S(=O)(=O)O)C(=CC3C=C2S(=O)(=O)O)S(=O)(=O)O

Synonyms:

• 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

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

CAS: 68504-35-8

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

Sulfonazo III salt

CAS: 68504-35-8

Sulfonazo III salt is used as spectrophotometric reagent for alkaline earth metals and indicator for …

• Formula: C₂₂H₁₂N₄Na₄O₁₄S₄
• Color and Shape: powder, Dark green to purple or black
• Molecular weight: 776.55

Sulfonazo III tetrasodium salt

CAS: 68504-35-8

• Formula: C₂₂H₁₆N₄NaO₁₄S₄
• Purity: 90.0%
• Molecular weight: 711.6306

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

CAS: 68504-35-8

Please enquire for more information about Sulfonazo III [Spectrophotometric reagent for alkaline earth metals and …

• Formula: C₂₂H₁₂N₄Na₄O₁₄S₄
• Purity: Min. 95%
• Molecular weight: 776.55 g/mol