CAS No.: 4392-24-9 Molecular formula: C9H9Br molecular weight: 197.07 Chemical nature needle-like crystals. Melting point 31-32 ℃, boiling point 130 ℃ (1.33kPa) ,106-108 ℃ (0.53kPa). Appearance: white crystals or colorless liquid Assay: 98% Density: 1.332 g / mL at 25 ° C (lit.) refractive index: n20 / D 1.621 (lit.) Flash point: 190 ° F storage conditions: 2-8 ° C Usage: pharmaceutical intermediates.