CAS: 12136-58-2 EC No: 235-228-1 MDL No: MFCD00011085 RTECS: OJ6439500 UN No: UN2813; Haz Class: 4.3; Packing Group: II -200 Mesh Powder Molecular Formula: Li₂S MW: 45.95 Density (g/mL): 1.66