Pyrogallol
Synonym(s):1,2,3-Trihydroxybenzene;2,3-Dihydroxyphenol;Pyrogallic acid;Pyrogallic acid, 1,2,3-Trihydroxybenzene;Pyrogallol
- CAS NO.：87-66-1
- Empirical Formula: C6H6O3
- Molecular Weight: 126.11
- MDL number: MFCD00002192
- EINECS: 201-762-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-05-16 17:35:26
What is Pyrogallol?
Description
Pyrogallol is a natural oxidant that can generate superoxide (O2-) in alkaline solutions through autoxidation to a semiquinone radical. Importantly, the semiquinone radical can react with O2- in an acidic environment to produce a quinone and H2O2. Pyrogallol autoxidation is used in superoxide dismutase activity assays. It can also be used in assays to assess antioxidant capacity. Pyrogallol is used in some biological systems as an O2- scavenger. In other biological systems, it is used as an O2- generator. Pyrogallol effectively scavenges DPPH radical and ABTS+ in vitro. Pyrogallol is a product of tannin degradation to gallic acid by ruminant microbes and has hepatotoxic and nephrotoxic effects in vivo.
The Uses of Pyrogallol
Pyrogallol possesses importance as a spectrophotometric reagent in the determination of niobium and tantalum. The absorptions of niobium and tantalum complexes are usually measured at 340 and 335 nm, respectively. The niobium complex is formed in slightly acidic medium, and the tantalum complex in strongly acidic medium (4 N HC1). The absorption spectra are pH-dependen.
What are the applications of Application
Pyrogallol is a metal-complexing benzene triol compound
Properties of Pyrogallol
| Melting point: | 43-47 °C(lit.) |
| Boiling point: | 309 °C |
| Density | 1.112 g/mL at 25 °C(lit.) |
| Flash point: | >230 °F |
| storage temp. | Store below +30°C. |
| solubility | water: soluble |
| form | Very Fine Crystalline Powder |
| color | White |
| Water Solubility | 400 g/L (25 ºC) |
| Sensitive | Light Sensitive |
Safety information for Pyrogallol
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H341:Germ cell mutagenicity H412:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P308+P313:IF exposed or concerned: Get medical advice/attention. |
Computed Descriptors for Pyrogallol
| InChIKey | WQGWDDDVZFFDIG-UHFFFAOYSA-N |
Abamectin manufacturer
JSK Chemicals
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