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Bismuth Subgallate
394.09Molecular Weight
Appearance:
An alkaline salt of variable composition, bright yellow powder, Is odorless and tasteless. But is affected by light.
Applications:
Used as an active pharmaceutical ingredient (API) for the preparation of bismuth-based drugs, with astringent, antiseptic, and hemostatic effects, used to treat gastrointestinal diseases as well as skin conditions such as eczema and hemorrhoids.
| Bismuth Subgallate（USP） | Bismuth Subgallate（EUROPEAN PH.） | ||
|---|---|---|---|
| Determinations | Specifications | Determinations | Specifications |
| Appearance | Bright yellow powder | Appearance | Yellow powder |
| Solubility | Test | Solubility | Test |
| Identification | A.Bismuth | Identification | A.Gallic Acid |
| B.Gallic Acid | B.Bismuth | ||
| Bismuth Oxide Content (ODB) | 52.0-57.0% | Loss on Drying | ≤7% |
| Loss on Drying | ≤7.0% | Bismuth Content(ODB) | 48.0-51.0% |
| Nitrates | Test | Acidity | Test |
| As | ≤7.5ppm | Chloride | ≤200ppm |
| Cu | Test | Nitrate | ≤0.2% |
| Ag | Test | Ag | ≤25ppm |
| Pb | Test | Cu | ≤50ppm |
| Free Gallic Acid | ≤0.5% | Ammonia-Insoluble | <1% |
| Alkali and Alkaline Earths | ≤0.5% | Pb | ≤20 ppm |