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DMI ref. omg109     Image title: Benzophenone | 9.65 Copyright 2006 David Malin Images Benzophenone (Diphenyl ketone, CAS# 119-61-9) is in the form of white, flaky crystals melting at 49C. Used as a fixative for perfumery, ultraviolet absorber for polymers, adhesive, coating and ink. It is used as a chemical intermediate for pharmaceuticals and insecticides. Polarized light, 1/4-wave plate.