TABLE I

Label Spiking Compounds Employed in the Leaching (Migration) Study

CompoundCAS #Supplier/PurityStructure/Info
Methyl ethyl ketone (MEK)78-93-3Fluka (St. Louis, MO), >99.5%Embedded Image
Aqueous solubility: >10000 mg/L1
Log Po/w: 0.471
Vapor pressure: 115 torr
Irgacure 1173 (Ic1173)7473-98-5Sigma-Aldrich (St. Louis, MO), >85%Embedded Image
Aqueous solubility: >4400 mg/L1
Log Po/w: 1.491
Vapor pressure: 0.007 torr
Benzophenone (BzPh)119-61-9Sigma-Aldrich, 99%Embedded Image
Aqueous solubility: 150 mg/L1
Log Po/w: 3.211
Vapor pressure: 0.008 torr
Dipropylene glycol diacrylate (DPGDA)57472-68-1TCI America (Portland, OR), >85%Embedded Image
Aqueous solubility: >969 mg/L1
Log Po/w: 1.301
Vapor pressure: Not available
  • 1 Value obtained from Advanced Chemistry Development, ACD/Labs Software V11.02.