MilliporeSigma
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16040

Sigma-Aldrich

Pyrogallol

ACS reagent, ≥99%

Synonym(s):
2,3-Dihydroxyphenol, Pyrogallic acid, 1,2,3-Trihydroxybenzene
Linear Formula:
C6H3(OH)3
CAS Number:
Molecular Weight:
126.11
Beilstein:
907431
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

grade

ACS reagent

vapor density

4.4 (vs air)

vapor pressure

10 mmHg ( 167.7 °C)

assay

≥99%

form

solid

technique(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%

application(s)

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

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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.

Pictograms

Exclamation markHealth hazard

Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Muta. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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