102156

Sulfonazo III sodium salt

• Synonym(s): 2,7-Bis(2-sulfophenylazo)chromotropic acid tetrasodium salt, 3,6-Bis(2-sulfophenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid tetrasodium salt
• Empirical Formula (Hill Notation): C₂₂H₁₂N₄Na₄O₁₄S₄
• CAS Number: 164581-28-6
• Molecular Weight: 776.57
• Beilstein/REAXYS Number: 1900148
• EC Number: 217-089-9
• MDL number: MFCD00003942
• UNSPSC Code: 12352200

Properties

• λmax: 567 nm; 629 nm (2nd)
• SMILES string: [Na+].[Na+].[Na+].[Na+].Oc1c(\N=N\c2ccccc2S([O-])(=O)=O)c(cc3cc(c(\N=N\c4ccccc4S([O-])(=O)=O)c(O)c13)S([O-])(=O)=O)S([O-])(=O)=O
• 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);;;;/q;4*+1/p-4/b25-23+,26-24+;;;;
• InChI key: FCMRBZBGGXLKBC-KBJWUIGUSA-J