Potassium cyanide

KCN

Potassium cyanide Molecular formula KCN Molar mass 65.12 g/mol CAS number [151-50-8] EINECS number 205-792-3 Density 1.52 g/cm3 Solubility (water) 71.6 g/100 ml (25°C) Melting point 634°C Thermodynamic data Standard enthalpy of formation ΔfH°solid −131.5 kJ/mol Standard molar entropy S°solid 127.8 J.K–1.mol–1 Hazards MSDS External MSDS EU classification Very toxic (T+) Dangerous for the environment (N) R-phrases R26/27/28, R32 R50/53 S-phrases S1/2, ...