Pyrogallol sulfonphthalein cas no:32638-88-3
Synonyms: Pyrogallol red;3172-49-4;Pyrogallolsulfonephthalein;Spiro[3H-2,1-benzoxathiole-3,9'-[9H]xanthene]- 3',4',5',6'-tetrol,1,1-dioxide;yl)-;2-(4,5,6-trihydroxy-3-oxo-xanthen-9-yl)benzenesulfonate;Benzenesulfonic acid, 2-(4,5,6-trihydroxy-3-oxo-3H-xanthen-9-yl)-;Spiro(3H-2,1-benzoxathiole-3,9-(9H)xanthene)-3,4,5,6-tetrol, 1,1-dioxide;
NamePyrogallol sulfonphthalein
CAS32638-88-3
SynonymsPyrogallol red;3172-49-4;Pyrogallolsulfonephthalein;Spiro[3H-2,1-benzoxathiole-3,9'-[9H]xanthene]- 3',4',5',6'-tetrol,1,1-dioxide;yl)-;2-(4,5,6-trihydroxy-3-oxo-xanthen-9-yl)benzenesulfonate;Benzenesulfonic acid, 2-(4,5,6-trihydroxy-3-oxo-3H-xanthen-9-yl)-;Spiro(3H-2,1-benzoxathiole-3,9-(9H)xanthene)-3,4,5,6-tetrol, 1,1-dioxide;
EINECS(EC#)251-134-3
Molecular FormulaC19H12O8S
Molecular Weight400.3588
AppearanceRed to Green Powder
refractive indexn20/D 1.387
Hazard Xn: Harmful;
Risk R20/21/22