8.22302

Pyrogallol

for synthesis

• Synonym(s): Pyrogallol, Pyrogallic acid, 1,2,3-Trihydroxybenzene
• Linear Formula: C₆H₃(OH)₃
• CAS Number: 87-66-1
• Molecular Weight: 126.11
• MDL number: MFCD00002192
• UNSPSC Code: 12352104
• EC Index Number: 201-762-9
• NACRES: NA.22

Properties

• vapor pressure: 2-4 hPa ( 140 °C)
• Quality Level: 200
• 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

Description

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

Safety Information

• Pictograms: GHS08,GHS07
• Signal Word: Warning
• Hazard Statements: H302 + H312 + H332,H341,H412
• Precautionary Statements: 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 Code: 11 - Combustible Solids
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable