Each kit contains 1 g each of eighteen compounds.Dimethyl phthalateDiphenyl phthalateDimethyl isophthalate Diphenyl isophthalateDiethyl phthalateIsobutylcyclohexyl phthalate Dibutyl phthalate Butylisooctyl phthalateDiisobutyl phthalate Diisooctyl phthalat