Nomenclature
CAS number: 10022-31-8
Nitric acid barium salt (2:1).
BaN
2O
6; mol wt 261.34.
Ba 52.55%, N 10.72%, O 36.73%.
Ba(NO
3)
2.
Description and 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).
Crystal properties: I. Sunagawa et al., Prog. Cryst. Growth Charact. 30, 153 (1995). Raman studies: P. G. Zverev et al., Opt. Mater. 11, 315 (1999).
AFM study: M. Plomp et al., J. Cryst. Growth 198/199, 246 (1999). Molar
volumes and heat capacities of aqueous solns: T. L. Niederhauser,
E. M. Woolley, J. Chem. Thermodyn. 36, 325 (2004).
Properties
Cubic crystals or crystalline powder. Oxidizer, poisonous. d 3.24. mp 592°; 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).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 BaO
2; pyrotechnics for green fire;
green signal lights; in the vacuum-tube industry. Precursor material
in ceramics and superconductors; aids in sulfur fixation in coal combustion;
promoter in catalytic synthesis of ammonia; in Raman spectroscopy
optics; in sulfate determn.