CAS: 12031-49-1 EC No: 234-752-8 MDL No: MFCD00016168 UN No: UN3134; Haz Class: 4.3 (6.1); Packing Group: III Powder Molecular Formula: La₂S₃ MW: 374.02

CAS: 12039-19-9 EC No: 234-887-2 MDL No: MFCD00058806 UN No: UN3134; Haz Class: 4.3 (6.1); Packing Group: II Powder Linear Formula: Y₂S₃ MW: 274.00