Chemicals for the Cosmetics Industry Benzophenone (Diphenylketone) CAS No.: 119-61-9 Benzophenone 5 (BP-5) CAS No.: 6628-37-1 dl-Tartaric Acid CAS No.: 133-37-9 D-Tartaric Acid CAS No.: 147-71-7 Potassium Nitrate CAS No.: 7757-79-1