Pyrogallol red, GR
Pyrogallol red, GR (CAS 32638-88-3) supplier Zemixal: C19H12O8S, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-000691.
About Pyrogallol red, GR
Pyrogallol red, GR sits in our stains, Fluorescent Dyes & Histology Reagents section and ships worldwide from stock or short lead time. Key data (AR): CAS 32638-88-3, formula C19H12O8S and molar mass 400.4 g/mol. It is described as green to very dark green and brown powder.
Where it is used
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Antioxidant additive
Storage and safety notes
Literature values: melting point ≥300 °C and density 1.93 g/cm3 (Predicted). Handle with the usual laboratory precautions and consult the SDS supplied with each lot.
Available as 1 g, 5 g, 100 g and 1 kg. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Antioxidant additive
Applications
Grade guides
Specifications and identifiers
| Product name | Pyrogallol red, GR |
|---|---|
| Catalogue number | ZX-000691 |
| CAS number | 32638-88-3 |
| IUPAC name | 1,1-dioxospiro[2,1lambda6-benzoxathiole-3,9'-xanthene]-3',4',5',6'-tetrol |
| Molecular formula | C19H12O8S |
| Molar mass | 400.4 g/mol |
| Exact mass | 400.0253 |
| Grade | AR |
| Physical form | Powder |
| Appearance | Green to very dark green and brown powder |
| Melting point | ≥300 °C |
| Density | 1.93 g/cm3 (Predicted) |
| XLogP3 | 2.1 |
| H-bond donors / acceptors | 4 / 8 |
| Topological polar surface area | 142 Ų |
| HS code | 29349900 |
| InChIKey | KUQNCHZOCSYKOR-UHFFFAOYSA-N |
| SMILES | C1=CC=C2C(=C1)C3(C4=C(C(=C(C=C4)O)O)OC5=C3C=CC(=C5O)O)OS2(=O)=O |
| PubChem CID | 94437 |
| Synonyms | Pyrogallolsulfonephthalein, Pyrogallol sulfonphthalein, Spiro(3H-2,1-benzoxathiole-3,9'-(9H)xanthene)-3',4',5',6'-tetrol, 1,1-dioxide, 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, 3',4',5',6'-tetrahydroxyspiro[2,1-benzoxathiole-3,9'-xanthene]-1,1-dione, 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene]1,1-dioxide, US8987474, PyrogallolRed, 1,1-dioxospiro[2,1lambda6-benzoxath, 12,13,14,15-tetrahydroxyspiro[benzo[c]1,2-oxathiolane-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 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 1 g | Quoted on request | |
| 5 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Pyrogallol red, GR
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