CAS: 7440-52-0 EC No: 231-160-1 MDL No: MFCD00010987 UN No: UN3178; Haz Class: 4.1; Packing Group: II Solid Molecular Formula: Er MW: 167.26 Melting Point: 1529° Boiling Point: 2868° Density (g/mL): 9.062

CAS: 7440-54-2 EC No: 231-162-2 MDL No: MFCD00011022 RTECS: LW3850000 UN No: UN3178; Haz Class: 4.1; Packing Group: II Solid, packaged under argon in glass bottle Molecular Formula: Gd MW: 157.25 Melting Point: 1313° Boiling Point: 3273° Density (g/mL): 7.886

CAS: 12070-06-3 EC No: 235-118-3 MDL No: MFCD00011255 UN No: UN3178; Haz Class: 4.1; Packing Group: III -325 Mesh Powder Linear Formula: TaC MW: 192.96 Melting Point: 3880°

CAS: 7440-19-9 EC No: 231-128-7 MDL No: MFCD00011233 UN No: UN3178; Haz Class: 4.1; Packing Group: II Solid Molecular Formula: Sm MW: 150.36 Melting Point: 1074° Boiling Point: 1794° Density (g/mL): 7.47

CAS: 7440-10-0 EC No: 231-120-3 MDL No: MFCD00011174 UN No: UN3178; Haz Class: 4.1; Packing Group: II Solid Molecular Formula: Pr MW: 140.91 Melting Point: 931° Boiling Point: 3520° Density (g/mL): 6.71

CAS: 7440-42-8 EC No: 231-151-2 MDL No: MFCD00134034 RTECS: ED7350000 UN No: UN3178; Haz Class: 4.1; Packing Group: III Powder Molecular Formula: B MW: 10.81 Melting Point: 2076° Boiling Point: 3927° Density (g/mL): 2.34

CAS: 12013-82-0 EC No: 234-592-9 MDL No: MFCD00015985 UN No: UN3178; Haz Class: 4.1; Packing Group: II 12mm & Down Pieces Molecular Formula: Ca₃N₂ MW: 148.25 Density (g/mL): 2.63

CAS: 12069-85-1 EC No: 235-114-1 MDL No: MFCD00016126 RTECS: MG4620000 UN No: UN3178; Haz Class: 4.1; Packing Group: III -325 Mesh Powder Linear Formula: HfC MW: 190.50 Melting Point: 2930° Density (g/mL): 12.2

CAS: 12057-71-5 EC No: 235-022-1 MDL No: MFCD00016205 UN No: UN3178; Haz Class: 4.1; Packing Group: II -325 Mesh Powder Molecular Formula: Mg₃N₂ MW: 100.95 Melting Point: 800° (decomposes) Density (g/mL): 2.71