CAS: 109-57-9 EC No: 203-683-5 MDL No: MFCD00004940 RTECS: YR8050000 UN No: UN2811; Haz Class: 6.1; Packing Group: III Crystalline/Powder Molecular Formula: C₄H₈N₂S MW: 116.19 Melting Point: 70-72° Density (g/mL): 1.11