Hydrofluoric Acid carries a recognized safety classification for professional environments due to its corrosive and toxic nature. Its molecular formula is FH, with a molecular weight of 20.0064. It boils at 66.7 °C for a 70% solution, and freezes at -69.0 °C for the same concentration. The hazard signal word for this substance is Danger, indicating its potential danger.

• CAS Number: 7664-39-3
• Molecular Weight: 20.0064
• Boiling Point: 66.7 °C for 70% solution
• Exact Mass: 20.006228194
• Molecular Formula: FH
• Melting Point: -69.0 °C for 70% solution
• GHS Signal Word: Danger
• Vapour Density: 1.86 at 77 °F for 70% solution
• Hazard Statements:
• H300: Fatal if swallowed [Danger Acute toxicity, oral]
• H280: Contains gas under pressure; may explode if heated [Warning Gases under pressure]
• H290: May be corrosive to metals [Warning Corrosive to Metals]
• H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]