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254002

Pyrogallol

ACS reagent grade, solid

Synonym(s):

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

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About This Item

Linear Formula:

C₆H₃(OH)₃

CAS Number:

Molecular Weight:

126.11

UNSPSC Code:

12352100

PubChem Substance ID:

NACRES:

NA.21

EC Number:

201-762-9

MDL number:

Beilstein/REAXYS Number:

907431

Form:

solid

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Properties

Product Name

Pyrogallol, ACS reagent

grade

ACS reagent

Quality Level

vapor density

4.4 (vs air)

vapor pressure

10 mmHg ( 167.7 °C)

form

solid

ign. residue

≤0.005%

bp

309 °C ((lit.)), 309 °C (lit.)

mp

133-134 °C ((lit.)), 133-134 °C (lit.)

density

1.450 g/cm³ at 20 °C

anion traces

chloride (Cl^-): ≤0.001%, sulfate (SO₄^2-): ≤0.005%

cation traces

Fe: ≤0.001%, heavy metals (as Pb): ≤5 ppm

SMILES string

Oc1cccc(O)c1O

InChI

[1S/C6H6O3/c7-4-2-1-3-5(8)6(4)9/h1-3,7-9H], 1S/C6H6O3/c7-4-2-1-3-5(8)6(4)9/h1-3,7-9H

InChI key

[WQGWDDDVZFFDIG-UHFFFAOYSA-N], WQGWDDDVZFFDIG-UHFFFAOYSA-N

Description

Application

Metal-complexing agent

Pyrogallol undergoes quick autooxidation in alkaline solution. Due to this property, its alkaline solution is generally used for the removal of oxygen from gases. Pyrogallol may also be used to prepare pyrogallol monomethyl ether via methylation and gallacetophenone via a modified Nencki reaction.

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pictograms

Health hazard

Exclamation mark

signalword

Warning

hcodes

H302 + H312 + H332,H341,H412

pcodes

P273 - P280 - P301 + P312 - P302 + P352 + P312 - P304 + P340 + P312 - P308 + P313

Hazard Classifications

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

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Protocols

Enzymatic Assay of Peroxidase (EC 1.11.1.7)

This procedure is for the determination of Peroxidase enzymatic activity using Pyrogallol as the substrate.

Enzymatic Assay of Peroxidase (EC 1.11.1.7) 2,2'-Azino-bis(3-Ethylbenzthiazoline-6-Sulfonic Acid) as a Substrate

To standardize a procedure for the assay of Peroxidase using 2,2'-Azino-bis(3-Ethylbenzthiazoline-6-Sulfonic Acid) as a substrate.

Involvement of the superoxide anion radical in the autoxidation of pyrogallol and a convenient assay for superoxide dismutase.

Marklund S and Marklund G.

European Journal of Biochemistry, 47(3), 469-474 (1974)

Involvement of the superoxide anion radical in the autoxidation of pyrogallol and a convenient assay for superoxide dismutase

Marklund S & Marklund G

FEBS Journal, 47(3) (1974)

Pyrogallol 1-monomethyl ether

Surrey AR

Organic Syntheses, 26, 90-90 (1946)

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Global Trade Item Number

SKU	GTIN
254002-10G	04061825982571
254002-50G	04061825982618
254002-250G	04061825982595