Bismuth subnitrate CAS 1304-85-4
Category:
Product Description
Product Details
Introduction:
Bismuth subnitrate acts primarily on the gastric mucosa and is an antacid that has been shown to protect the gastric mucosa. It has been used to treat duodenal ulcers and as an antidiarrheal agent. The U.S. Food and Drug Administration (FDA) has approved bismuth subnitrate as an active ingredient in over-the-counter antacids.
Bismuth Subnitrate (USP)
| Item |
Specification |
Typical Value |
|
Apperiance |
White Powder |
Confirm |
| Solubility |
Pass |
Pass |
|
Identification |
Bismuth subnitrate |
Pass |
|
Bismuth content (dry basis) |
≥79.0% |
80.7% |
|
Loss on drying |
≤3.0% |
1.2% |
|
Carbonate |
Pass |
Pass |
|
Chloride |
≤350ppm |
≤350ppm |
|
Sulfate |
Pass |
Pass |
|
Ammonium salt |
Pass |
Pass |
|
Copper |
Pass |
Pass |
| Silver |
Pass |
Pass |
|
Lead |
Pass | Pass |
|
Arsenic |
≤8ppm |
＜8ppm |
|
Alkaline earth metals |
≤0.5% |
0.2% |
Bismuth Subnitrate (EUROPEAN PH.)
| Item |
Specification |
Typical Value |
|
Apperiance |
White Powder |
Confirm |
|
Identification |
A,B: Bismuth Pass |
Pass |
|
C: Nitrate Pass |
Pass |
|
| D: pH Pass | Pass | |
|
Acidity |
Pass |
Pass |
|
Chloride |
≤200ppm |
<200ppm |
|
Lead |
≤20ppm | <1 ppm |
|
Copper |
≤50ppm |
<1 ppm |
| Silver |
≤25ppm |
<1 ppm |
| Ammonia insoluble matter |
≤1.0% |
0.2% |
|
Loss on drying |
≤3.0% |
1.2% |
|
Bismuth content (dry basis) |
71.0-74.0% |
72.5% |
Application:
Bismuth subnitrate is used in the manufacture of cosmetics, as a flux for enamels, and in the pharmaceutical industry.
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