Pyrogallol
SIGMA/16040 - ACS reagent, ≥99%
Synonym: 1,2,3-
CAS Number: 87-66-1
Empirical Formula (Hill Notation): C6H6O3
Molecular Weight: 126.11
EC Number: 201-762-9
MDL Number: MFCD00002192
Linear Formula: C6H3(OH)3
Product Type: Chemical
| anion traces | chloride (Cl-): ≤10 mg/kg |
| sulfate (SO42-): ≤50 mg/kg | |
| application(s) | pharmaceutical (small molecule) |
| assay | ≥99% |
| bp | 309 °C (lit.) |
| cation traces | Fe: ≤0.001% |
| heavy metals (as Pb): ≤0.0005% | |
| form | solid |
| grade | ACS reagent |
| ign. residue | ≤0.005% (as SO4) |
| InChI | 1S/C6H6O3/c7-4-2-1-3-5(8) |
| InChI key | WQGWDDDVZFFDIG-UHFFFAOYSA |
| mp | 131.0-135.0 °C |
| 133-134 °C (lit.) | |
| Quality Level | 200 ![]() |
| SMILES string | Oc1cccc(O)c1O |
| solubility | water: soluble |
| technique(s) | HPLC: suitable |
| vapor density | 4.4 (vs air) |
| vapor pressure | 10 mmHg ( 167.7 °C) |
| Application: | Pyrogallol has been used for preparing endothelial cell extract for determining vitamin E content using reverse-phase HPLC. It has also been used for preparing liver extracts for retinol analysis by using HPLC. |
| Biochem/physiol Actions: | Pyrogallol also referred to as 1,2,3-trihydroxybenzene inhibits the response to nitric oxide (NO) in the rat anococcygeus muscle. |
| Symbol | ![]() GHS07,GHS08 |
| Signal word | Warning |
| Hazard statements | H302 + H312 + H332 - H341 - H412 |
| Precautionary statements | P273 - P280 - P301 + P312 - P302 + P352 + P312 - P304 + P340 + P312 - P308 + P313 |
| Risk Statements | 36/38 |
| Safety Statements | 26 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99% |
| bp | 309 °C (lit.) |
| mp | 131.0-135.0 °C; 133-134 °C (lit.) |
| UNSPSC | 12161700 |



