Title: Barium Nitrate
CAS Registry Number: 10022-31-8
Molecular Formula: BaN2O6
Molecular Weight: 261.34
Percent Composition: Ba 52.55%, N 10.72%, O 36.73%
Line Formula: Ba(NO3)2
Literature References: Prepn: Gmelins, Barium (8th ed) 30, 149-151 (1932) and supplement, 178-179, 305 (1960). Toxicity study: Syed, Hosain, Toxicol. Appl. Pharmacol. 22, l50 (1972).
Properties: Crystals or crystalline powder. Poisonous! d 3.24. mp ~590°; dec at higher temp. Freely sol in water; very slightly sol in alcohol, acetone. LD50 i.v. in ICR mice: 20.10 mg Ba2+/kg (Syed, Hosain).
Melting point: mp ~590°
Density: d 3.24
Toxicity data: LD50 i.v. in ICR mice: 20.10 mg Ba2+/kg (Syed, Hosain)
CAUTION: Potential symptoms of overexposure are upper respiratory irritation; gastroenteritis; muscle spasm; slow pulse, extrasystoles; hypokalemia; irritation of eyes and skin; skin burns. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 24.
Use: Manuf BaO2; pyrotechnics for green fire; green signal lights; in the vacuum-tube industry. |