Potassium formate

Potassium formate (CAS 590-29-4, EC 209-677-9, formula HCOOK or HCO2K) is the potassium salt of formic acid. It carries no E-code designation and is commercially referenced under abbreviations including HCOOK and HCO2K, as well as trade descriptors such as Potassium Formate 99% and Potassium Formate Extra Pure.

In oil and gas drilling, potassium formate serves as a high-density brine fluid, controlling wellbore pressure without damaging reservoir formations. In personal care formulations, it functions as a pH buffer and mild antimicrobial, stabilising product chemistry across a defined pH range. Agricultural applications leverage its role as a catalyst and stabiliser in crop protection formulations.

Potassium formate is available in technical and high-purity grades, supplied as a crystalline solid or concentrated aqueous solution. It falls under REACH regulation (EC 1907/2006) and is handled in accordance with relevant GHS classifications. Packaging typically includes 25 kg bags, 200 kg drums, and IBC containers for bulk procurement.