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8.22302

Sigma-Aldrich

Pyrogallol

for synthesis

Synonym(s):

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

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About This Item

Linear Formula:
C6H3(OH)3
CAS Number:
Molecular Weight:
126.11
MDL number:
UNSPSC Code:
12352104
EC Index Number:
201-762-9
NACRES:
NA.22

vapor pressure

2-4 hPa ( 140 °C)

Quality Level

assay

≥99% (acidimetric)

form

solid

potency

790 mg/kg LD50, oral (Rat)

pH

4-5 (20 °C, 50 g/L in H2O)

bp

309 °C/1013 hPa

mp

131-135 °C

solubility

400 g/L

density

1.45 g/cm3 at 20 °C

bulk density

600 kg/m3

storage temp.

2-30°C

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


  • Antioxidant and therapeutic potential: Pyrogallol demonstrates significant anti-inflammatory, sedative, antidiabetic, and antioxidant capabilities across both in vitro and in vivo models, as evidenced by a comprehensive phenolic profiling of Atractylis aristata Batt (Abid et al., 2024).

  • Photo-switchable collector applications: The utility of pyrogallol-derived compounds as photo-switchable collectors in the flotation process for lithium aluminate recycling has been explored, highlighting its role in enhancing raw material recovery (Zgheib et al., 2024).

  • Biomedical applications in hydrogels: Pyrogallol is integrated into the design of a hydrogel, focusing on biomedical applications such as wound healing and drug delivery, offering insights into the versatile uses of pyrogallol in medical materials (Weian et al., 2024).

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Melting range (lower value): ≥ 132 °C
Melting range (upper value): ≤ 135 °C
Identity (IR): passes test

pictograms

Health hazardExclamation mark

signalword

Warning

Hazard Classifications

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

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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