Bismuth Subcarbonate

Name:
Bismuth Subcarbonate
Detailed information:

Chemistry name:	bismuth oxycarbonate; bismuth carbonate, basic
M Formula:	(BiO)2CO3 or Bi2O3•CO2•1/2H2O
Properties:
White, odorless powder; tasteless. D 6.86. Stable in air but slowly affected by light. Insoluble in water and alcohol; soluble in nitric or hydrochloric acid with effervescence.
Derivation:
By adding ammonium carbonate to a solution of a bismuth salt.
Grade:
Technical, CP, USP (90% Bi2O3 min).
Use:
Bismuth compounds, cosmetics, opacifier in X-ray diagnosis, enamel fluxes, and ceramic glazes.