Key Properties of Monopotassium Phosphate
| Product Name: | Monopotassium Phosphate |
| Synonyms: | Monobasic Potassium Phosphate or Potassium Dihydrogen Phosphate |
| CAS No: | 7778-77-0 |
| Chemical Formula: | KH₂PO₄ |
| Grade: | BP / USP |
| Appearance: | White, crystalline powder or granules |
| Molar Mass: | 136.09 g/mol |
| Solubility: | Freely soluble in water, insoluble in alcohol |
| Melting Point: | 252.6°C |
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WhatsappMonopotassium Phosphate Manufacturing process
Step 1: Raw Material Selection
- High-purity phosphoric acid and potassium hydroxide are selected.
- Raw materials undergo strict quality checks for purity.
Step 2: Chemical Reaction & Processing
- Phosphoric acid reacts with potassium hydroxide to form Monopotassium Phosphate solution.
- The solution is filtered and refined to remove impurities.
Step 3: Crystallization & Drying
- The solution is evaporated, crystallized, and dried 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.
Monopotassium Phosphate Applications
Pharmaceutical Applications
Buffering Agent in Pharmaceutical Formulations
Suitable pharmaceutical grades of Monopotassium Phosphate may be used as a buffering agent in selected pharmaceutical formulations. It helps control and maintain the required pH where phosphate-based buffer systems are appropriate.
pH Adjustment and Control
Monopotassium Phosphate may be used for pH adjustment and control in suitable pharmaceutical formulations and manufacturing processes. It can be combined with dibasic phosphate salts to prepare phosphate buffer systems with the required pH.
Potassium and Phosphate Source
Monopotassium Phosphate can serve as a source of potassium and phosphate ions in selected pharmaceutical formulations where these components are required.
Pharmaceutical Processing
Pharmaceutical manufacturers may use Monopotassium Phosphate in suitable processing applications involving buffering, pH control or phosphate-based formulation requirements.
Food and Beverage Applications
Acidity Regulator and Buffer
Food-grade Monopotassium Phosphate may function as an acidity regulator and buffering agent in suitable food and beverage formulations.
Potassium and Phosphate Source
Monopotassium Phosphate may be used as a source of potassium and phosphate in selected food and nutritional formulations. The appropriate grade and usage level should comply with applicable food regulations.
Food Processing Applications
Food manufacturers may use Monopotassium Phosphate in selected processing applications where pH control, buffering or phosphate functionality is required.
Laboratory and Analytical Applications
Phosphate Buffer Preparation
Monopotassium Phosphate is widely used in laboratories for the preparation of phosphate buffer solutions. It can be combined with suitable dibasic phosphate salts to obtain the required buffer pH.
Laboratory Reagent
Monopotassium Phosphate is used as a laboratory reagent in analytical, biochemical and research applications where potassium, phosphate ions or controlled pH conditions are required.
Biochemical and Research Applications
Monopotassium Phosphate may be used in selected biochemical, microbiological and research procedures involving phosphate-buffered systems.
Chemical and Industrial Applications
Buffering and pH Control
Monopotassium Phosphate may be used in selected chemical and industrial processes where phosphate-based buffering or pH adjustment is required.
Potassium and Phosphate Source
It can serve as a source of potassium and phosphate ions in selected chemical reactions, formulation systems and manufacturing processes.
Specialty Chemical Formulations
Monopotassium Phosphate may be incorporated into selected specialty chemical formulations where phosphate functionality, buffering or controlled acidity is required.
Agriculture and Fertiliser Applications
Potassium and Phosphorus Source
Suitable grades of Monopotassium Phosphate are used in fertiliser applications as a source of potassium and phosphorus, two essential plant nutrients.
Fertigation and Foliar Applications
Agricultural-grade Monopotassium Phosphate may be used in suitable fertigation and foliar nutrition programmer because of its water solubility. Application rates and suitability depend on the crop, growing conditions and agricultural programmer.
Monopotassium Phosphate Specifications
Monopotassium Phosphate USP Specification
Download Monopotassium Phosphate 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 Phosphate | It gives reaction of Phosphate. |
| 5 | Insoluble Substances | Not more than 0.2% |
| 6 | Arsenic | Not more than 3 ppm |
| 7 | Lead | Not more than 5 ppm |
| 8 | Fluoride | Not more than 10 ppm |
| 9 | Loss on Drying | Not more than 1.0% |
| 10 | Assay (on dried basis) | Not less than 98.0% and not more than 100.5% |
Monopotassium Phosphate BP Specification
Download Monopotassium Phosphate BP 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 Acidity | Solution is slightly acid. |
| 4 | Identification by Potassium | It gives reaction of Potassium. |
| 5 | Identification by Phosphate | It gives reaction of Phosphate. |
| 6 | Appearance of Solution | Solution is clear and colourless. |
| 7 | pH | 4.2 to 4.5 |
| 8 | Reducing Substances | The colour of the permanganate is not completely discharged. |
| 9 | Chlorides | Not more than 200 ppm |
| 10 | Sulfates | Not more than 300 ppm |
| 11 | Arsenic | Not more than 2 ppm |
| 11 | Iron | Not more than 10 ppm |
| 11 | Sodium | Not more than 0.1% |
| 11 | Loss on Drying | Not more than 2.0% |
| 11 | Assay (On dried substance) | Not less than 98.0% and not more than 100.5% |
Note: Additional test to be carried out as per customer requirements.
Monopotassium Phosphate 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.
Why Choose Chemignition for
Monopotassium Phosphate Supply?
Quality Assurance
Grade Compliance
Monopotassium Phosphate 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
Monopotassium Phosphate 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.
