C₅

1. Off-white powder.
2. The melting point is 109.5°C.
3. The relative density is 2.23.
4. The hydroxyl content is 13%, the water content is 0.07%, and the theoretical bromine content is 61.01%.
5. Soluble in toluene, ethanol, ethylene glycol, propylene glycol and acetone, slightly soluble in water and toluene.