Sodium Rhodanide, Sodium Sulfocyanate, Sodium Rhodanate, Sodium Isocya Synonyms: Sodium Rhodanide, Sodium Sulfocyanate, Sodium Rhodanate, Sodium Isocyanate, Thiocyanic Acid, Sodium SaltNaSCN,a white rhombic system ... Melts at approx.287°C. Decomposes on heating and under influence of light producing toxic fumes of ... being deliquescent. Separated from acides, bases and oxidants Sodium Thiocyanate