CAS: 110-02-1 EC No: 203-729-4 MDL No: MFCD00005413 UN No: UN2414; Haz Class: 3; Packing Group: II Liquid Molecular Formula: C₄H₄S MW: 84.14 Melting Point: -38° Boiling Point: 83-85° Flash Point: -9°C (16°F) Density (g/mL): 1.051 …