Pyrogallol red
CAS Registry Number®
32638-88-3
No image available.
CAS Name
Pyrogallol redMolecular Formula
C19H12O8SMolecular Mass
400.36Cite this Page
Pyrogallol red. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=32638-88-3 (retrieved ) (CAS RN: 32638-88-3). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Melting Point (1)
>315 °C
Source(s)
Other Names and Identifiers
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
InChIKey
InChIKey=KUQNCHZOCSYKOR-UHFFFAOYSA-N
SMILES
O=S1(=O)OC2(C=3C1=CC=CC3)C=4C(OC=5C2=CC=C(O)C5O)=C(O)C(O)=CC4
Canonical SMILES
O=S1(=O)OC2(C3=CC=C(O)C(O)=C3OC4=C(O)C(O)=CC=C42)C=5C=CC=CC51
Other Names for this Substance
- Spiro[3H-2,1-benzoxathiole-3,9′-[9H]xanthene]-3′,4′,5′,6′-tetrol, 1,1-dioxide
- Pyrogallolsulfonephthalein
- Pyrogallol red
- Red pyrogallol
- 3′,4′,5′,6′-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9′-xanthene] 1,1-dioxide
Deleted or Replaced CAS Registry Numbers
3172-49-4, 116239-00-0, 205682-71-9, 801145-40-4, 810024-92-1, 856926-05-1
