Bismuth sodium oxide
Sodium Bismuthate, NaBiO3.
- CAS
- 12232-99-4
- EC
- 235-435-6
- Sectors
- Pharma & Healthcare, Electronics & Solar PV, Mining & Metals
Bismuth sodium oxide (CAS 12232-99-4), also known as Sodium Bismuthate, is a potent oxidizing agent supplied as a yellow-brown powder, used in analytical chemistry for manganese determination in steel and alloys, as a pharmaceutical intermediate, and in bismuth-based electronic components. It is characterized by its high purity and yellow-to-brown crystalline appearance.
The material is highly valued in metallurgy for the quantitative determination of manganese levels in steel and alloys. Its selective oxidation properties make it an indispensable reagent in specialized laboratory and industrial synthesis.
In high-technology sectors, it serves as a Technical Grade intermediate for the development of bismuth-based electronic components. It maintains exceptional stability when stored under dry, controlled conditions.
Typical Properties
| Molecular formula | Bi.Na.O |
|---|---|
| Molecular weight | 279.97 g/mol |
| Appearance | yellow-brown powder |
| Form | Powder |
| Color | Yellow to brown |
| Odor | Odorless |
| Melting point | >300°C |
| Water solubility | Soluble in aqueous acid. Insoluble in water. |
| GHS signal word | Warning · Irritant / harmful |
| HS code | 28419085 |
| Grades available | Technical Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Bismuth sodium oxide
Applications
- Analytical Chemistry: The primary reagent used for testing manganese content via the bismuthate method.
- Pharmaceutical Intermediate: Utilized in the synthesis of specific bismuth-based therapeutic compounds.
- Electronics Industry: Used in the manufacturing of advanced ceramic superconductors and varistors.
Safety & Risks
Classified as a Strong Oxidizer and Skin Irritant. Handle with Heat-Resistant Gloves, Safety Goggles, and ensure Proper Ventilation to avoid dust inhalation.
Packaging
Standard packaging includes 25 kg drums and 500g/1kg reagent bottles for laboratory use.