1,2-Bis(2,4,6-tribromophenoxy)ethane, 1.2ml x 50ug/ml, nonane

2,3',4',5'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

Fluorescent Brightener Agent OB-2 [4,4''-Bis(5-methyl-2-benzoxazolyl)stilbene], 97%, 5g

3,3',4,5,5'-Pentachlorobiphenyl (127)