Pure Acenaphthene Molecular Formula: C12H10 CAS NO. :83-32-9 EINECS:201-469-6 UN: 3077 9/PG 3 Main application: 1. Dye, plant growth hormone, germicide, insecticide production 2. Synthetic dyes, polyester resins, polyester fibers, can also be used to make fluorescent pigments, pharmaceuticals, insecticides, etc. 3. Dehydrogenation of acenaphthene to produce acenaphthene resin.