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Bismuth Subcarbonate
509.97Molecular Weight
Appearance:
White powder. Odorless. Tasteless.Stable in air. Gradually turns brown upon by light.
Applications:
Used as an active pharmaceutical ingredient (API) for the preparation of bismuth-based drugs, commonly used to treat excess stomach acid, diarrhea, and other gastrointestinal diseases. It can also be used as a veterinary medicine to treat diarrhea in animals.
| Bismuth Subcarbonate（EUROPEAN PH.） | Bismuth Subcarbonate（USP） | ||
|---|---|---|---|
| Determinations | Specifications | Determinations | Specifications |
| Appearance |
White or off-white |
Appearance |
White or off-white |
| Solubility |
Practically insoluble |
Solubility | Test |
| Identification | A. Carbonate | Identification |
A. Bismuth |
| B. Bismuth | Test | ||
| Appearance of Solution | Test | Nitrates | ≤0.4% |
| Chloride | ≤500 ppm | Loss on Drying | ≤1.0% |
| Nitrates | ≤0.4% | Chloride | ≤500ppm |
|
Alkalis and |
≤1.0% | Cu | ≤50ppm |
| As | ≤5ppm | Ag | ≤25ppm |
| Cu | ≤50ppm | Pb | ≤20ppm |
| Pb | ≤20ppm | As | ≤5ppm |
| Ag | ≤25 ppm | Alkalis and Alkaline Earth | ≤1.0% |
| Loss on Drying | ≤1.0% |
Bismuth Subcarbonate |
97.6-100.7% |
| Bismuth Content(ODB) | 80.0-82.5 % | ||