Greatcell Energy’s N719 Industry Standard Dye is a modification of the N3 Foundation Dye with changes that increase cell voltage. It is the most common high performance dye, often called the industry’s “workhorse dye”. N719 Industry Standard Dye is more soluble than N3 Foundation Dye in polar solvents. N719 Industry Standard Dye offers guaranteed performance, high reproducibility, stable/consistent results, and is of the highest purity. Recommended application in 0.2-0.3mM solution with ethanol or acetonitrile/tert-butanol (1:1, vol:vol).