Pyrogallol Red

CAS: 32638-88-3

Ref. TR-P997435

Product Information

• Name: Pyrogallol Red
• Synonyms: Red Pyrogallol, Pyrogallolsulfonephthalein, 1,1-Dioxide Spiro[3H-2,1-benzoxathiole-3,9'-[9H]xanthene]-3',4',5',6'-tetrol, 2-(4,5,6-trihydroxy-3-oxo-3H-xanthen-9-yl)benzenesulfonate, 2-(4,5,6-trihydroxy-3-oxo-3H-xanthen-9-yl)benzenesulfonic acid, 3′,4′,5′,6′-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9′-xanthene] 1,1-dioxide, Benzenesulfonic acid, 2-(4,5,6-trihydroxy-3-oxo-3H-xanthen-9-yl)-, Pyrogallol red, Red pyrogallol, Spiro(3H-2,1-benzoxathiole-3,9'-(9H)xanthene)-3',4',5',6'-tetrol, 1,1-dioxide, Spiro[2,1-Benzoxathiole-3,9'-Xanthene]-3',4',5',6'-Tetrol 1,1-Dioxide, Spiro[3H-2,1-benzoxathiole-3,9′-[9H]xanthene]-3′,4′,5′,6′-tetrol, 1,1-dioxide
• CAS: 32638-88-3

Description

Applications Pyrogallol Red is a complexometric indicator for the metal elements molybdenum and copper. Dyes and metabolites.
References Haley, W.E., et al.: Mayo Clinic proceedings, 91 (2016); Bekdeser, B., et al.: Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 32 (2016);

• Brand: TRC

Chemical properties

• Molecular weight: 400.36
• Formula: C₁₉H₁₂O₈S
• InChI: InChI=1S/C22H36O4/c1-4-5-16-22(2,3)20(24)15-13-17-12-14-19(23)18(17)10-8-6-7-9-11-21(25)26/h6,8,13,15,17-18,20,24H,4-5,7,9-12,14,16H2,1-3H3,(H,25,26)/b8-6-,15-13+/t17-,18-,20-/m1/s1
• InChI key: InChIKey=LLVVDFDWPQHXBA-QEJIITRLSA-N
• SMILES: CCCCC(C)(C)[C@H](O)/C=C/[C@H]1CCC(=O)[C@@H]1C/C=C\CCCC(=O)O