Nomenclature
CAS number: 10361-37-2
Barium chloride (BaCl
2).
BaCl
2; mol wt 208.23.
Ba 65.95%, Cl 34.05%.
Description and references
Prepn: Gmelins, Barium (8th ed) 30, 171-175 (1932) and supplement, 179-181,
324-325 (1960). Toxicity studies: I. B. Syed, F. Hosain, Toxicol. Appl. Pharmacol. 22,
150 (1972). Induction of arrhythmia in exptl animals: F. W. Eichbaum, Basic Res. Cardiol. 68, 73 (1973).
Crystal structures of hydrated forms: A. Hasse, G. Brauer, Z. Anorg. Allg. Chem. 441, 181
(1978); and spectroscopic and thermal properties: H. D. Lutz et al., ibid. 457, 84 (1979). Dehydration
kinetics of dihydrate: R. K. Osterheld, P. R. Bloom, J. Phys. Chem. 82, 1591 (1978);
J. A. Lumpkin, D. D. Perlmutter, Themochim.
Acta 249, 335 (1995). Vapor pressure of hydrates:
J. E. Tanner, J. Chem. Eng. Data 50, 777 (2005). Phase diagrams of aqueous solns: J.
Fenstad, D. J. Fray, C. R. Chimie 9, 1235 (2006).
Properties
White, hygroscopic solid. mp 962°. d 3.913.Derivative
Dihydrate.
Nomenclature
CAS number: 10326-27-9
BaCl
2.2H
2O; mol wt 244.26.
Ba 56.22%, Cl 29.03%, H 1.65%, O 13.10%.
Properties
Crystals or granules or powder; bitter salty taste.
d 3.86. Poisonous. Very sol in water; sol in methanol.
Practically insol in ethanol, acetone, ethyl acetate. LD50 i.v. in ICR mice: 19.2 mg Ba2+/kg (Syed, Hosain).Caution
Potential symptoms of overexposure
are irritation of eyes, skin and upper respiratory system; gastroenteritis;
muscle spasm; slow pulse, extrasystoles; hypokalemia; skin burns.
See NIOSH Pocket Guide to Chemical
Hazards (DHHS/NIOSH 97-140, 1997) p 24.Use
Manuf pigments, color lakes, glass, mordant for
acid dyes; weighting and dyeing textile fabrics; in Al refining; as
pesticide; boiler compds for softening water; tanning and finishing
leather. Dihydrate as an analytical reagent in sulfate determn.