32638-88-3;85531-30-2 Pyrogallol sulfonphthalein

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Basic

CAS No. 32638-88-3;85531-30-2
Product Name Pyrogallol sulfonphthalein
Synonyms 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; spiro[2,1-benzoxathiole-3,9'-xanthene]-3',4',5',6'-tetrol 1,1-dioxide; 2-(4,5,6-trihydroxy-3-oxo-3H-xanthen-9-yl)benzenesulfonic acid; 2-(4,5,6-trihydroxy-3-oxo-3H-xanthen-9-yl)benzenesulfonate
Molecular Formula C15H18N2O4
Molecular Weight 290.3144

Physical property