Synonyms
Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis-, monosodium salt; Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis-, S,S-
dioxide, monosodium salt; Sodium hydrogen 4,4'-(3H-2,1-benzoxathiol-3-
ylidene)bisphenolate S,S-dioxide; [ChemIDplus]
Sources/Uses
"Red dye, pH indicator, and diagnostic aid for determination of renal function. It is used also for studies of the gastrointestinal and other systems." [ChemIDplus]