Common Name: Cyclopropyl Bromide Other Names: Bromocyclopropane | Cyclopropyl Bromide English Name: Cyclopropyl Bromide CAS Number: 4333-56-6 EINECS: 224-375-7 Molecular Formula: C?H?Br Molecular Weight: 120.976 Density: 1.8±0.1 g/cm3 Boiling Point: 69.0±0.0 °C Flash Point: -6.7±0.0 °C Appearance: Transparent colorless liquid Solubility: Miscible with water Applications: 1. Pharmaceutical intermediate. 2. It is an important intermediate in drug synthesis, used in the preparation of various cyclopropyl-containing drugs and fluoroquinolones such as ciprofloxacin, enrofloxacin, and sparfloxacin.