Key Properties of Potassium bicarbonate
| Product Name: | Potassium Bicarbonate |
| Synonyms: | Potassium Hydrogen Carbonate |
| CAS No: | 298-14-6 |
| Chemical Formula: | KHCO₃ |
| Grade: | IP / BP / USP |
| Appearance: | White, crystalline powder or granules |
| Molar Mass: | 100.12 g/mol |
| Solubility: | Freely soluble in water, insoluble in alcohol |
| Melting Point: | Decomposes at 100°C |
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WhatsappPotassium bicarbonate Manufacturing process
Step 1: Raw Material Selection
- High-purity potassium carbonate and carbon dioxide are used.
- Raw materials undergo strict quality checks for purity.
Step 2: Chemical Reaction & Processing
- Potassium carbonate reacts with carbon dioxide to form Potassium Bicarbonate.
- The solution is filtered and purified to remove impurities.
Step 3: Crystallization & Drying
- The solution is crystallized, dried, and milled to achieve the required purity.
Step 4: Quality Control & Testing
- The product is tested for assay, solubility, moisture content, and pH as per IP/BP/USP standards.
Step 5: Packaging & Storage
- Packed in HDPE bags or fiber drums to prevent contamination.
- Stored in a cool, dry place to maintain stability.
Potassium bicarbonate Applications
Pharmaceutical Applications
Buffering and pH Adjustment
Suitable pharmaceutical grades of Potassium Bicarbonate may be used as a buffering and pH-adjusting agent in selected pharmaceutical formulations where controlled alkalinity is required.
Potassium Source in Pharmaceutical Formulations
Potassium Bicarbonate can serve as a source of potassium in suitable formulations where potassium supplementation or controlled potassium content is required.
Effervescent Formulations
Potassium Bicarbonate may be used in selected effervescent pharmaceutical formulations because it reacts with suitable acids to release carbon dioxide. Its use depends on the formulation design and applicable pharmacopoeial requirements.
Pharmaceutical Processing
It may also be used in pharmaceutical manufacturing processes where a mild alkaline potassium salt is required for pH control or formulation adjustment.
Food and Beverage Applications
Acidity Regulator
Food-grade Potassium Bicarbonate is used as an acidity regulator and pH-control agent in suitable food and beverage formulations.
Leavening Applications
It may be used as a leavening agent in selected bakery and food products, particularly where sodium reduction is desired.
Sodium-Reduced Food Formulations
Potassium Bicarbonate can be used as an alternative potassium-based ingredient in selected sodium-reduced formulations, depending on taste, formulation requirements and applicable food regulations.
Beverage Processing
Food-grade Potassium Bicarbonate may be used for pH adjustment and acidity control in selected beverage-processing applications.
Agriculture and Crop Applications
Potassium Source for Crops
Suitable agricultural grades of Potassium Bicarbonate may be used as a source of potassium in selected crop-management and plant-nutrition applications.
Fungicidal and Crop Protection Applications
Potassium Bicarbonate is used in certain agricultural and horticultural formulations for management of selected fungal diseases, including powdery mildew, where permitted by applicable regulations.
Foliar and Horticultural Applications
It may be incorporated into suitable foliar or horticultural formulations where potassium supply and alkalinity are beneficial to the intended crop-management program.
Fire-Suppression Applications
Dry Chemical Fire-Extinguishing Powders
Potassium Bicarbonate is an important ingredient in certain dry chemical fire-extinguishing formulations. Fine-grade material is used in fire-suppression powders designed for rapid interruption of combustion.
Industrial Fire-Suppression Systems
It may be used in suitable portable extinguishers and fixed fire-suppression systems, depending on the formulation and applicable fire-safety standards.
Chemical and Industrial Applications
pH Control and Neutralisation
Potassium Bicarbonate is used as a mild alkaline agent for pH adjustment, neutralization and alkalinity control in selected industrial processes.
Chemical Synthesis
It may serve as a potassium source or mild base in selected chemical reactions and specialty chemical manufacturing processes.
Process Chemical
Potassium Bicarbonate may be used in industrial formulations where its buffering capacity, water solubility and controlled alkalinity provide the required functional properties.
Environmental and Gas-Treatment Applications
Acid-Gas Neutralisation
Potassium Bicarbonate may be used in selected gas-treatment and neutralization processes where an alkaline bicarbonate is required to react with acidic components.
Emission-Control Applications
It may be incorporated into suitable industrial emission-control or scrubbing processes, subject to the specific system design and process requirements.
Laboratory and Research Applications
Laboratory Reagent
Potassium Bicarbonate is used as a laboratory reagent in chemical analysis, formulation studies and research applications.
Buffer and Solution Preparation
It may be used for preparation of bicarbonate-containing buffer systems and alkaline laboratory solutions where potassium ions are required.
Potassium bicarbonate Specifications
| Sr. No. | Test | Specification |
|---|---|---|
| 1 | Description | White, crystalline powder or granules |
| 2 | Assay (Purity) | Not less than 99.0% |
| 3 | Loss on Drying | Not more than 0.5% |
| 4 | pH (5% solution) | 5.0 – 7.0 |
| 5 | Solubility | Freely soluble in water |
| 6 | Chloride (Cl⁻) | Not more than 50 ppm |
| 7 | Sulphate (SO₄²⁻) | Not more than 150 ppm |
| 8 | Heavy Metals | Not more than 10 ppm |
| 9 | Iron (Fe) | Not more than 5 ppm |
| 10 | Lead (Pb) | Not more than 3 ppm |
| 11 | Arsenic (As) | Not more than 2 ppm |
| 12 | Residue on Ignition | Not more than 0.05% |
Potassium Bicarbonate USP Specification
Download Potassium Bicarbonate USP Specification
| Sr. No. | Test | Specification |
|---|---|---|
| 1 | Description | White or almost white, crystalline powder or colourless crystals. |
| 2 | Solubility | Freely soluble in water, practically insoluble in ethanol (96 per cent). |
| 3 | Identification by Potassium | It gives reaction of Potassium. |
| 4 | Identification by Bicarbonate | It gives reaction of Bicarbonate. |
| 5 | Loss on Drying | Not more than 0.3% |
| 6 | Normal Carbonate | pH: Not more than 8.5 |
| 7 | Assay (On dried basis) | Not less than 99.50% and not more than 101.50% |
Potassium Bicarbonate EP Specification
Download Potassium Bicarbonate EP Specification
| Sr. No. | Test | Specification |
|---|---|---|
| 1 | Description | White or almost white, crystalline powder or colourless crystals. |
| 2 | Solubility | Freely soluble in water, practically insoluble in ethanol (96 per cent) |
| 3 | Identification by Potassium | It gives reaction of Potassium. |
| 4 | Identification by Bicarbonate | It gives reaction of Bicarbonate. |
| 5 | Appearance of solution | Solution is clear and colourless |
| 6 | pH | Not more than 8.6 |
| 7 | Chloride | Not more than 150 ppm |
| 8 | Sulphate | Not more than 150 ppm |
| 9 | Ammonium | Not more than 20 ppm |
| 10 | Calcium | Not more than 100 ppm |
| 11 | Iron | Not more than 20 ppm |
| 12 | Sodium | Not more than 0.5% |
| 13 | Assay | Not less than 99.00% and not more than 101.00% |
Note: Additional test to be carried out as per customer requirements.
Potassium bicarbonate Packing and Storage condition
Packing:
- Packed in 25 kg / 50 kg HDPE bags with inner LDPE liner for moisture protection.
- Available in fiber drums or plastic drums for high-purity grades.
- Bulk packaging in jumbo bags (500 kg – 1000 kg) available upon request.
- Custom packaging options as per client requirements.
Storage Conditions:
- Store in a cool, dry, and well-ventilated area away from direct sunlight.
- Keep away from acids, heat sources, and moisture.
- Ensure airtight containers to prevent contamination.
Why Choose Chemignition for
Potassium bicarbonate Supply?
Quality Assurance
Grade Compliance
Potassium bicarbonate is manufactured in adherence to stringent global pharmaceutical standards.
In-House Quality Control
Each batch undergoes rigorous testing for purity, stability, and efficacy.
Regulatory Approvals
Certified for export and compliant with international regulatory requirements.
Large-Scale Manufacturing and Export
Grade Compliance
Potassium bicarbonate is manufactured in adherence to stringent global pharmaceutical standards.
In-House Quality Control
Each batch undergoes rigorous testing for purity, stability, and efficacy.
Regulatory Approvals
Certified for export and compliant with international regulatory requirements.
