two-colour indicator
A colour indicator that possesses a different colour on each side of the transition interval.
acid-base indicator
An acid or base which exhibits a colour change on neutralization by the basic or acidic titrant at or near the equivalence point of a titration.
diagnostic agent
A substance administered to aid diagnosis of a disease.
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4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)diphenol
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3,3-bis(p-hydroxyphenyl)-3H-2,1-benzoxathiole 1,1-dioxide
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ChEBI
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4,4'-(3H-2,1-benzoxathiol-3-ylidene)bisphenol S,S-dioxide
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ChemIDplus
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α-hydroxy-α,α-bis(p-hydroxyphenyl)-o-toluenesulfonic acid γ-sultone
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ChEBI
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Phenol red
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KEGG COMPOUND
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Phenolsulfonphthalein
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KEGG COMPOUND
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PSP
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ChemIDplus
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143-74-8
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CAS Registry Number
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KEGG COMPOUND
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143-74-8
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CAS Registry Number
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ChemIDplus
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326470
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Beilstein Registry Number
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Beilstein
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