340596

Potassium indigotetrasulfonate

Dye content 85 %

• Synonym(s): 5,5′,7,7′-Indigotetrasulfonic acid tetrapotassium salt
• Empirical Formula (Hill Notation): C₁₆H₆K₄N₂O₁₄S₄
• CAS Number: 67627-19-4
• Molecular Weight: 734.88
• MDL number: MFCD00059886
• UNSPSC Code: 12171500
• PubChem Substance ID: 24860832
• NACRES: NA.47

Properties

• assay: >95.6% (HPLC)
• form: solid
• composition: Dye content, 85%
• solubility: water: 0.1%
• λmax: 591 nm
• εmax: 18,400 at 254 nm in water at 0.01 g/L; 29,300 at 316 nm in water at 0.01 g/L
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: [K+].[K+].[K+].[K+].[O-]S(=O)(=O)c1cc2C(=O)C(\Nc2c(c1)S([O-])(=O)=O)=C3/Nc4c(cc(cc4S([O-])(=O)=O)S([O-])(=O)=O)C3=O
• InChI: 1S/C16H10N2O14S4.4K/c19-15-7-1-5(33(21,22)23)3-9(35(27,28)29)11(7)17-13(15)14-16(20)8-2-6(34(24,25)26)4-10(12(8)18-14)36(30,31)32;;;;/h1-4,17-18H,(H,21,22,23)(H,24,25,26)(H,27,28,29)(H,30,31,32);;;;/q;4*+1/p-4/b14-13+;;;;
• InChI key: SWRJFVUVNXWCRX-XURWPRCOSA-J

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)