About Potassium Pyrophosphate
Potassium pyrophosphate (K4P2O7) is a water soluble, buffering and chelating agent. It can also be used as an ionic dispersant to form a low viscous solution.
Potassium pyrophosphate Technical Details:
- PubChem CID : 23740
- Molecular Formula : K4P2O7 or K4O7P2
- Synonyms : Potassium pyrophosphate, Potassium diphosphate, Tetrapotassium diphosphate
- Molecular Weight : 330.34 g/mol
- CAS No : 7320-34-5
- Melting Point : 1090 °C
- Solubility : Soluble in water, insoluble in ethanol
- pH : Between 10,0 and 10,8 (1 % solution)
Computed Properties
| Property Name | Property Value |
| Molecular Weight | 330.34 g/mol |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 0 |
| Exact Mass | 329.766752 g/mol |
| Monoisotopic Mass | 329.766752 g/mol |
| Topological Polar Surface Area | 136 |
| Heavy Atom Count | 13 |
| Formal Charge | 0 |
| Complexity | 124 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 5 |
| Compound Is Canonicalized | Yes |
Wide-Ranging Industrial and Food ApplicationsPotassium Pyrophosphate is utilized across multiple sectors, thanks to its ability to act as a buffering agent, dispersant, and chelating agent. Its stability and solubility make it suited for water treatment, detergent formulations, and as a food additive. Its high purity and low heavy metal content ensure it meets industry standards for safety and performance.
Storage and Handling RecommendationsFor optimal shelf life and product integrity, store Potassium Pyrophosphate in tightly sealed containers within a cool, dry, and well-ventilated space. Avoid exposure to moisture and sources of extreme heat, as the compound decomposes above 110C. Proper storage ensures the powder remains free flowing and maintains its high quality for up to two years.
FAQs of Potassium Pyrophosphate:
Q: How is Potassium Pyrophosphate typically used in water treatment and detergent formulations?
A: Potassium Pyrophosphate serves as a dispersing agent in water treatment, helping prevent scale buildup and improving cleaning efficiency. In detergents, it acts as a builder, enhancing the effectiveness of surfactants and boosting cleaning performance.
Q: What are the recommended storage conditions for Potassium Pyrophosphate to maintain its quality?
A: Store Potassium Pyrophosphate in a tightly closed container in a cool, dry, and well-ventilated area. This prevents moisture absorption and maintains the products stability and crystalline structure throughout its two-year shelf life.
Q: When should Potassium Pyrophosphate be handled with care regarding safety and health considerations?
A: Although not classified as a hazardous material, handling should still avoid unnecessary contact. Ensure good workplace hygiene and adhere to proper storage to maintain its low impurity profile, minimizing exposure to heavy metals and preventing contamination.
Q: What benefits does Potassium Pyrophosphate offer as a food additive?
A: As a food additive, Potassium Pyrophosphate acts as an emulsifier and stabilizer, improving texture and extending shelf life without imparting any perceptible odor and only a slightly salty taste. Its low heavy metal content makes it suitable for food applications.
Q: Where can Potassium Pyrophosphate be sourced and in what packaging sizes is it commonly available?
A: This compound is widely available through distributors, manufacturers, and suppliers in India, and it is typically offered in 25 kg bags, though custom packaging can be arranged according to specific needs.
Q: What is the process for dissolving Potassium Pyrophosphate for industrial applications?
A: Potassium Pyrophosphate readily dissolves in water. For best results, gradually add the crystalline powder to water with continuous stirring, ensuring complete dissolution to form a clear solution suitable for various applications.