Compound CAS Registry Number (a) Concentration
mg/kg(b) mg/L(c)
Dimethylphthalate 131-11-3 55.6 ± 1.2 44.0 ± 0.9
Diethylphthalate 84-66-2 51.4 ± 1.7 40.7 ± 1.4
Di-n-butylphthalate 84-74-2 51.2 ± 1.2 40.5 ± 0.9
Benzylbutylphthalate 85-68-7 52.2 ± 1.4 41.3 ± 1.1
Bis(2-ethylhexyl)phthalate 117-81-7 58.6 ± 1.3 46.4 ± 1.0
Di-n-octylphthalate 117-84-0 48.2 ± 1.4 38.2 ± 1.1