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16040 Sigma-Aldrich

Pyrogallol

ACS reagent, ≥99%

Synonym: 1,2,3-Trihydroxybenzene, 2,3-Dihydroxyphenol, Pyrogallic acid

  • CAS Number 87-66-1

  • Linear Formula C6H3(OH)3

  • Molecular Weight 126.11

  •  Beilstein/REAXYS Number 907431

  •  EC Number 201-762-9

  •  MDL number MFCD00002192

  •  PubChem Substance ID 57647544

  •  NACRES NA.21

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Properties

Related Categories Analytical/Chromatography, Building Blocks, Chemical Synthesis, Organic Building Blocks, Oxygen Compounds,
Quality Level   200
grade   ACS reagent
vapor density   4.4 (vs air)
vapor pressure   10 mmHg ( 167.7 °C)
assay   ≥99%
form   solid
application(s)   HPLC: suitable
ign. residue   ≤0.005% (as SO4)
bp   309 °C (lit.)
mp   131.0-135.0 °C
  133-134 °C (lit.)
solubility   water: soluble
anion traces   chloride (Cl-): ≤10 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Fe: ≤0.001%
  heavy metals (as Pb): ≤0.0005%
Featured Industry   Pharmaceutical (small molecule)
SMILES string   Oc1cccc(O)c1O
InChI   1S/C6H6O3/c7-4-2-1-3-5(8)6(4)9/h1-3,7-9H
InChI key   WQGWDDDVZFFDIG-UHFFFAOYSA-N

Description

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.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Warning
Hazard statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
RTECS 
UX2800000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable
Protocols & Articles
Peer-Reviewed Papers
15

References

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