985. Barium Oxalate

Nomenclature

CAS number: 516-02-9

Ethanedioic acid barium salt.

C₂BaO₄; mol wt 225.35.

C 10.66%, Ba 60.94%, O 28.40%.

BaC₂O₄.

Prepn: Gmelins, Barium (8th ed) 30, 320-323 (1932) and supplement, 480-482 (1960).

Monohydrate.

Cryst powder. Poisonous. d 2.66. Sol in 10,000 parts cold, 5000 parts boiling water; sol in dil HNO₃ or HCl.