Nomenclature
CAS number: 10294-33-4
BBr
3; mol wt 250.52.
B 4.32%, Br 95.69%.
Description and references
Prepn: Gamble, Inorg.
Synth. 3, 27 (1950); Becher in Handbook of Preparative Inorganic Chemistry Vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd
ed., 1963) p 781. Review of boron halides: Massey, Adv. Inorg. Chem. Radiochem. 10, 1-152 (1967). Review of toxicology and human exposure: Toxicological Profile for Boron (PB93-110674,
1992) 110 pp. Brief review of synthetic applications: E. G. Doyagüez, Synlett 2005, 1636-1637.
Properties
Colorless, fuming liquid; dec by water or alcohol.
mp 46.0°; bp 90°. d0 2.698. Poisonous, corrosive. Store under dry inert atmosphere.
Reacts violently with water, alcohols. Vapor pressure
data: Barber et al., J. Chem.
Eng. Data 9, 137 (1964).Caution
Potential symptoms of overexposure
are irritation of eyes, skin, respiratory system; skin and eye burns;
dyspnea, pulmonary edema. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140,
1997) p 32.Use
Manuf of diborane; ultra high purity boron. Reagent
for cleavage of ethers, amines, thiols; addition of allenes and alkynes.