Thallium (Tl)

4,4'-Diaminobiphenyl,100 µg/mL,acetonitrile,1mL,

2,2',3,3',4,5',6,6'-Octachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 40186-71-8

Tetrachloro-m-xylene