Pentafluoroethanesulfonic Acid is noted for its consistent composition and reliable behavior, with a molecular formula of C2F5SO3H and a molecular weight of 200.09. This compound belongs to the class of organosulfur compounds, characterized by the presence of sulfur atoms bonded to carbon. Its structure features five fluorine atoms and one hydrogen atom attached to the carbon chain, along with a sulfonic acid group. Due to the danger signal word, it is classified as harmful if swallowed. It may be used in various research applications due to its unique properties.

• CAS Number: 354-88-1
• Molecular Weight: 200.09
• Molecular Formula: C2F5SO3H
• Exact Mass: 199.95665587
• GHS Signal Word: Danger
• Hazard Statements:
• H302: Harmful if swallowed [Warning Acute toxicity, oral]