Spiro(3H-2,1-benzoxathiole-3,9'-(9H)xanthene)-3',4',5',6'-tetrol, 1,1-dioxide
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
32638-88-3
Chemical name
Spiro(3H-2,1-benzoxathiole-3,9'-(9H)xanthene)-3',4',5',6'-tetrol, 1,1-dioxide
Molecular formula
C19H12O8S
Molecular weight
400.4 g/mol
Synonyms
Pyrogallolsulfonephthalein; Pyrogallol sulfonphthalein; Spiro[3H-2,1-benzoxathiole-3,9'-[9H]xanthene]-3',4',5',6'-tetrol, 1,1-dioxide; 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide; US8987474, PyrogallolRed; 12,13,14,15-tetrahydroxyspiro[benzo[c]1,2-oxathiolane-3,9'-xanthene]-1,1-dione; 3',4',5',6'-tetrahydroxyspiro[2,1-benzoxathiole-3,9'-xanthene]-1,1-dione; 3',4',5',6'-tetrahydroxyspiro[2,1lambda-benzoxathiole-3,9'-xanthene]-1,1-dione; 3',4',5',6'-tetrahydroxyspiro[2,1lambda6-benzoxathiole-3,9'-xanthene]-1,1-dione; 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene]1,1-dioxide; 3',4',5',6'-Tetrahydroxy-1H-1lambda~6~-spiro[[2,1]benzoxathiole-3,9'-xanthene]-1,1-dione
InChIKey
KUQNCHZOCSYKOR-UHFFFAOYSA-N
PubChem CID
94437
Hazard statements
H315, H319, H335
Catalog reference cue; confirm supplier documentation before use.
XLogP
2.1
Catalog reference value; verify against supplier SDS before use.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.