3,3',4,4'-Tetrachlorodiphenyl ether, 1.2ml x 50ug/ml, toluene

ASTM Benzene Kit

2,2',3,4,4',5',6-Heptachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-69-1

1,3-Phenylenediamine, 1000µg/mL in methylene chloride, 1ml