Pyrogallol, with the molecular formula C6H6O3 and a Molecular Weight of 126.11 g/mol, is an aromatic building block classified under phenols, cresols, dimethylphenols, dihydroxybenzenes, etc. It has a Melting Point between 271 to 273°F and boils at 588°F (Decomposes at 559°F). Pyrogallol is denser than water and will sink. Workplace handling requires safety goggles, safety gloves, and the use of a Precept label. This compound is harmful if swallowed, as stated by the Hazard Statement H302.

• CAS Number: 87-66-1
• Molecular Formula: C6H6O3
• Molecular Weight: 126.11
• Exact Mass: 126.031694049
• Boiling Point: 588 °F at 760 mmHg (Decomposes at 559 °F) (NTP, 1992)
• Melting Point: 271 to 273 °F (NTP, 1992)
• Density: 1.45 at 68 °F (USCG, 1999) - Denser than water; will sink
• GHS Signal Word: Warning
• Hazard Statements:
• H302: Harmful if swallowed [Warning Acute toxicity, oral]