Potassium 2-ethylhexanoate, also known as potassium ''iso''-octanoate, is a chemical used to convert the ''tert''-butylammmonium salt of

clavulanic acid Clavulanic acid is a β-lactam drug that functions as a mechanism-based β-lactamase inhibitor. While not effective by itself as an antibiotic, when combined with penicillin-group antibiotics, it can overcome antibiotic resistance in bacteria t ...

into

potassium clavulanate Clavulanic acid is a β-lactam drug that functions as a mechanism-based β-lactamase inhibitor. While not effective by itself as an antibiotic, when combined with penicillin-group antibiotics, it can overcome antibiotic resistance in bacteri ...

(clavulanate potassium). It is also used as a corrosion inhibitor in automotive

antifreeze An antifreeze is an additive which lowers the freezing point of a water-based liquid. An antifreeze mixture is used to achieve freezing-point depression for cold environments. Common antifreezes also increase the boiling point of the liquid, all ...

and as a catalyst for polyurethane systems.

References

Potassium compounds Ethylhexanoates {{Organic-compound-stub