1. used as intermediate 2. 9,9-Dimethyl-9H-2,7-diiodofluorene manufacturer 3. cas no.: 144981-86-2 intermediate 9,9-Dimethyl-9H-2,7-diiodofluorene (144981-86-2)1. Molecular Formula: C15H12I22. Molecualr Weight: 446.063. Melting Point: 195 ºC4. Density: 1.9315. Appearance: white crystal6. Assay: 98%7. Package: 500g/bottle intermediate 9,9-Dimethyl-9H-2,7-diiodofluorene 144981-86-2