Sodium bismuthate
Sodium bismuthate (CAS: 12232-99-4) is an inorganic sodium salt of bismuth with the linear formula NaBiO3. This pale-yellow to orange powder, with a molecular weight of 279.97 g/mol, is recognised for its strong oxidising capabilities. It finds application in chemical synthesis and is a valuable reagent in analytical chemistry for the determination of certain elements.

Oxidising Agent in Organic Synthesis
Sodium bismuthate serves as a potent oxidising agent in organic chemistry. It is employed to oxidise various functional groups, including alcohols and aldehydes, and can be used in the synthesis of specific organic compounds.
Analytical Reagent
This compound is utilised in analytical procedures, particularly for the quantitative determination of manganese. It facilitates the oxidation of Mn(II) to permanganate, which can then be quantified spectrophotometrically.
Inorganic Chemistry
As a source of bismuth in a high oxidation state, sodium bismuthate is a useful reagent in inorganic synthesis and research for exploring bismuth-containing compounds and materials.
| Molecular weight | 279.97 |
|---|---|
| Linear formula | NaBiO3 |
| Assay | ≥80.0% |
| Grade | ACS reagent |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Cation traces | Mn: ≤5 ppm |
| Anion traces | chloride (Cl-): ≤0.002% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Oxidizing Efficiency | ≥99.6% |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Sodium Bismuthate used for?
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Sodium Bismuthate (CAS: 12232-99-4) is primarily used as a strong oxidising agent in organic synthesis and as an analytical reagent for the determination of manganese.
What is the CAS number and formula for Sodium Bismuthate?
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The CAS number for Sodium Bismuthate is 12232-99-4 and its linear formula is NaBiO3.
What grade and purity does Tech Serve Solutions supply for Sodium Bismuthate?
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Tech Serve Solutions supplies Sodium Bismuthate in ACS reagent grade with an assay of ≥80.0% and an oxidising efficiency of ≥99.6%.
How should Sodium Bismuthate be handled safely?
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Sodium Bismuthate is harmful if swallowed (H302). Appropriate personal protective equipment including a dust mask (type N95), eyeshields, faceshields, and gloves should be worn. Handle in a well-ventilated area.
Is Sodium Bismuthate a controlled substance?
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Based on the provided data, Sodium Bismuthate is not indicated as a controlled or scheduled substance.
How is Sodium Bismuthate packed and exported?
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Tech Serve Solutions specialises in the global supply and export of fine chemicals. Specific packaging and shipping details for Sodium Bismuthate can be provided upon request to meet international regulations and customer requirements.
How can I request a quote or sample for Sodium Bismuthate?
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To request a quote or sample for Sodium Bismuthate, please contact our sales team through the enquiry form on our website or via direct email, specifying your requirements.
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