Potassium Formate Liquid & Powder CAS No. :Â 590-29-4 Molecular Formula:Â HCOOK Molecular Weight:Â 84.12 Powder Purity >96% Packed in 25kg bag Liquid Purity>75% Packed in 250kg drum or IBC drum Please kindly check and contact us no hesitation for the best price and COA offer. Hope to be your reliable partner from now. Tks!