Chem
J-GLOBAL ID:200907082317572189   Nikkaji number:J208.860F

Pyrogallol Red

ピロガロールレッド
Substance type:
Substance type
Substance type classified into 3 categories.
Decided structure: Substances with a clear structure
Undicided Structure: Substances with unknown or undetermined structure
Mixtures: Mixtures, racemic compounds, or compounds with relative structural arrangements
Decided structure
Molecular formula: C19H12O6[O-]2[S+2]
Molecular formula furigana: C19-H12-O8-S
Molecular weight: 400.360
InChI: InChI=1S/C19H12O8S/c20-12-7-5-10-17(15(12)22)26-18-11(6-8-13(21)16(18)23)19(10)9-3-1-2-4-14(9)28(24,25)27-19/h1-8,20-23H
InChI key: KUQNCHZOCSYKOR-UHFFFAOYSA-N
SMILES: Oc1ccc2c(Oc3c(O)c(O)ccc3C32O[S+2]([O-])([O-])c2ccccc32)c1O
Systematic name  (5):
  • スピロ[9H-キサンテン-9,3′-[3H-2,1]ベンゾオキサチオール]-3,4,5,6-テトラオール1′,1′-ジオキシド
  • 3′,4′,5′,6′-テトラヒドロキシスピロ[3H-2,1-ベンゾオキサチオール-3,9′-[9H]キサンテン]1,1-ジオキシド
  • 3,4,5,6-テトラヒドロキシスピロ[9H-キサンテン-9,3′-[3H]2,1-ベンゾオキサチオール]1′,1′-ジオキシド
  • 3',4',5',6'-テトラヒドロキシ-1H-スピロ[2,1-ベンゾオキサチオール-3,9'-キサンテン]-1,1-ジイウム-1,1-ビス(オラート)
  • 3',4',5',6'-tetrahydroxy-1H-spiro[2,1-benzoxathiole-3,9'-xanthene]-1,1-diium-1,1-bis(olate)
Other name (7):
  • ピロガロールレッド
  • Pyrogallol sulfonephthalein
  • Pyrogallol Red
  • ピロガロールスルホンフタレイン
  • 3′,4′,5′,6′-Tetrahydroxyspiro[3H-2,1-benzoxathiole-3,9′-[9H]xanthene]1,1-dioxide
Show all
CAS registry number: 32638-88-3
Regulation number (2):
  • EINECS2511343
  • TSCA(32638-88-3)
Application (1):
analytical reagent
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