Fluoroantimonic acid

April 09, 2007
Image of Fluoroantimonic acid

Fluoroantimonic acid (HSbF6), the strongest known superacid, is made by combining HF with SbF5. It can be as much as 2 × 1019 times stronger than 100% H2SO4. However, superacids are all equally strong in aqueous solution; other solvents must be used to observe their effects.

Chemical Abstract Service - a division of ACS

Learn more about this molecule from CAS, the most authoritative and comprehensive source for chemical information.

Molecule of the Week needs your suggestions!

If your favorite molecule is not in our archive, please send an email to motw@acs.org. The molecule can be notable for its current or historical importance or for any quirky reason. Thank you!

Stay Ahead of the Chemistry Curve

Learn how ACS can help you stay ahead in the world of chemistry.