Bismuth Subcarbonate CAS 5892-10-4

Bismuth Subcarbonate CAS NO:5892-10-4 Molecular formula:(BiO)2CO3·1/2H2O Properties: white powder,no smell,no taste.Relative density is 6.86,Decomposed into carbon dioxide and bismuth oxide at the 308ºC.Gradually decomposes and degenerate under the light.Undissolved...

Product Details

Bismuth Subcarbonate

CAS NO: 5892-10-4

Molecular formula: (BiO)2CO3·1/H2O

Properties:

white powder,no smell,no taste.Relative density is 6.86,Decomposed into carbon dioxide and bismuth oxide at the 308ºC.Gradually decomposes and degenerate under the light.Undissolved in water or ethanol,easily dissolves in inorganic acid(nitric acid,hydrochloric acid)and acetic acid,also dissolves in ammonium chloride solution,slightly dissolves in alkali carbonate solution.

Application:
As astringent and X-ray diagnosis opacifier in medical industry,also can treat the gastric and duodenal ulcer,bacteria red dysentery,amoebic dysentery,acute mucosa permeable gastritis,enteritis,diarrhea,skin disease,eczema and crystal rash as well external remedy of fire wound.

Specification:

Items

USP27

CP2005

Appearance

White powder

White powder

Content(as(BiO)2CO3)(%)

97.6-100.7

80-82.5

Loss on ignition(%)

1.0 max.

1.5 max.

Chloride(Cl)(%)

0.05 max.

0.14 max.

Sulphate acid(SO4)(%)

/

0.02 max.

Alkali metal and Alkali-earth metal(SO4)

1.0 max.

0.5 max.

Nitrate(%)

0.4 max.

Accord with require

Cu(ppm)

50 max.

50 max.

Pb(ppm)

20 max.

Accord with require

Ag(ppm)

25 max.

Accord with require

As(ppm)

5 max.

2 max.

Carbonate

Accord with require

Accord with require

Bi

Accord with require

Accord with require

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