The chemical Potassium Cyanide has a designated molecular formula of CKN and a molecular weight of 65.116 g/mol. Synonyms may include: 4-02-00-00050 (Beilstein Handbook Reference), M-44 capsules (potassium cyanide), AI3-28749, BRN 4652394, Caswell No. 688A, Cyanide of potassium, Cyanure de potassium [French], EINECS 205-792-3, EPA Pesticide Chemical Code 599600, HSDB 1245, Hydrocyanic acid, potassium salt (ChemID). Potassium Cyanide has been assigned a MeSH pharmacological action of: Enzyme Inhibitor.