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Principaux documents

254002

Sigma-Aldrich

Pyrogallol

ACS reagent

Synonyme(s) :

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

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About This Item

Formule linéaire :
C6H3(OH)3
Numéro CAS:
Poids moléculaire :
126.11
Beilstein:
907431
Numéro CE :
Numéro MDL:
Code UNSPSC :
12352100
ID de substance PubChem :
Nomenclature NACRES :
NA.21
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Qualité

ACS reagent

Niveau de qualité

Densité de vapeur

4.4 (vs air)

Pression de vapeur

10 mmHg ( 167.7 °C)

Forme

solid

Résidus de calcination

≤0.005%

pb

309 °C ((lit.))
309 °C (lit.)

Pf

133-134 °C ((lit.))
133-134 °C (lit.)

Densité

1.450 g/cm3 at 20 °C

Traces d'anions

chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.005%

Traces de cations

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

Chaîne SMILES 

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

Clé InChI

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

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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.[1] Pyrogallol may also be used to prepare pyrogallol monomethyl ether via methylation[2] and gallacetophenone via a modified Nencki reaction.[3]

Pictogrammes

Health hazardExclamation mark

Mention d'avertissement

Warning

Classification des risques

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

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

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


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Certificats d'analyse (COA)

Lot/Batch Number

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Les clients ont également consulté

Gianluca Dimartino
Journal of AOAC International, 90(5), 1340-1345 (2007-10-25)
A convenient method is presented for determination of vitamin D in natural cheese, processed cheese, milk, cereals, noncarbonated soft drinks, and juice by liquid chromatography/ mass spectrometry (LC/MS). Samples were saponified, extracted, evaporated, redissolved in acetonitrile, and injected into an
Sanja Matić et al.
Mutation research, 755(2), 81-89 (2013-07-09)
The present study was undertaken to investigate the hepatoprotective effect of the methanol extract of Cotinus coggygria Scop. in rats exposed to the hepatotoxic compound pyrogallol. Assessed with the alkaline version of the comet assay, 1000 and 2000mg/kg body weight
Gallacetophenone
Badhwar IC and Venkataraman K
Organic Syntheses, 14, 40-40 (1934)
Pyrogallol 1-monomethyl ether
Surrey AR
Organic Syntheses, 26, 90-90 (1946)
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)

Questions

1–2 of 2 Questions  
  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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