Chemical properties Colorless smoky liquid. There is an irritating smell. Soluble in ether, chloroform, carbon disulfide, carbon tetrachloride, acetone. Use Organic synthesis as a brominating agent. A reducing agent. Used to analyze granulated sugar and oxygen. Uses for organic synthesis, as brominating agents and reducing agents, etc. Chemicalbook uses chemical analysis (testing sugar and oxygen), brominating agents, catalysts, organic synthesis. Production method Using red phosphorus and liquid bromine as raw materials and phosphorus tribromide as solvent, the reaction was carried out to produce phosphorus tribromide. Its 2P+3Br2→2PBr3 class corrosion items Melting point -41.5°C(lit.) Boiling point 175°C(lit.) Density 2.88g/mLat20°C(lit.) Vapor density 9.3(vsair) Vapor pressure 0.27psi(54°C) refractive index n20/D1.697(lit.) flash Point 172.9°C store condition Storebelow+30°ChemicalbookC. Solubility soluble in ether, acetone, chloroform form liquid color clear to slightly turbid colorless to yellow or light brown specific gravity 2.88 (she) smell excitant odour water solubility reacts sensitivity MoistureSensitiveMerck14 freezing point to 40 ºC, 7357 brn3903060 dielectric constant of 3.9 (20ºC)