Description: 
Appearance: colorless gas.
Solubility: Soluble in ammonia, ether and carbon bisulfide, slightly soluble in cold water.
Boiling point: -92.5℃.
Melting point: -165℃.
Uses: For the preparation of high purity, semiconductor industry of boron monocrystal doping source. Olefin polymerization catalysts. Rubber vulcanization agent. The flame propagation speed accelerating agent. Other boron hydride preparation.