Pyrogallol
| Names | |
|---|---|
| Preferred IUPAC name Benzene-1,2,3-triol | |
| Other names 1,2,3-Trihydroxybenzene Pyrogallic acid 1,2,3-Benzenetriol | |
| Identifiers | |
| 3D model (JSmol) | |
| ChEBI | |
| ChEMBL | |
| ChemSpider | |
| ECHA InfoCard | 100.001.603 | 
| EC Number | 
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| KEGG | |
| PubChem CID | |
| RTECS number | 
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| UNII | |
| UN number | 2811 | 
| CompTox Dashboard (EPA) | |
| 
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| 
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| Properties | |
| C6H6O3 | |
| Molar mass | 126.11 g/mol | 
| Density | 1.453 g/cm3 (4 °C) | 
| Melting point | 125.5 °C (257.9 °F; 398.6 K) | 
| Boiling point | 307 °C (585 °F; 580 K) | 
| Refractive index (nD) | 1.561 (134 °C) | 
| Structure | |
| Monoclinic | |
| P21/n | |
| a = 12.1144(11) Å, b = 3.7765(3) Å, c = 13.1365(12) Å α = 90°, β = 115.484(1)°, γ = 90° | |
| Formula units (Z) | 4 | 
| Hazards | |
| GHS labelling: | |
| Warning | |
| H302, H312, H332, H341, H412 | |
| P201, P202, P261, P264, P270, P271, P273, P280, P281, P301+P312, P302+P352, P304+P312, P304+P340, P308+P313, P312, P322, P330, P363, P405, P501 | |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references | |
Pyrogallol is an organic compound with the formula C6H3(OH)3. It is a water-soluble, white solid although samples are typically brownish because of its sensitivity toward oxygen. It is one of three isomers of benzenetriols.