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Anhydrous Potassium Phosphate

Colorless transparent prismatic crystals. Soluble in water, its aqueous solution is acidic; insoluble in ethers, toluene, carbon tetrachloride and dioxane.
  • aozun

  • Anhydrous potassium phosphate

  • white powder

  • 22763-03-7

  • K3PO4

  • 212

  • 607-154-3

  • Soluble in water

Availability:

Product Description

Anhydrous Potassium Phosphate


CAS Number: 22763-03-7
Molecular Formula: K₃PO₄
Molecular Weight: 212.27 g/mol




Product Overview


Anhydrous Potassium Phosphate is a highly pure, water-soluble inorganic salt widely used as a buffering agent, pH regulator, and nutrient source in food processing, pharmaceuticals, agriculture, and industrial formulations.


As a potassium-based phosphate without water of crystallization, it offers higher active content, better stability, and longer shelf life compared to hydrated forms.




Key Features and Benefits


  • High Purity & Stability
    Anhydrous form ensures consistent performance and longer storage life.

  • Excellent Solubility
    Rapidly dissolves in water, suitable for liquid formulations.

  • Strong Buffering Capacity
    Maintains stable pH in a wide range of applications.

  • Potassium Source
    Provides essential potassium nutrient in fertilizers and food systems.

  • Low Moisture Content
    Ideal for moisture-sensitive formulations.



Technical Specifications



Parameter Specification
Appearance White crystalline powder
Assay (K₃PO₄) ≥ 98%
pH (1% solution) 11.5 – 12.5
Water Insoluble Matter ≤ 0.1%
Loss on Drying ≤ 1.0%




Applications


1. Food Industry

  • Used as a pH regulator and stabilizer

  • Improves texture and shelf life in processed foods

  • Functions as an emulsifying salt


2. Agriculture & Fertilizers

  • Provides potassium and phosphorus nutrients

  • Suitable for foliar fertilizers and hydroponic systems


3. Pharmaceuticals

  • Acts as a buffering agent in formulations

  • Used in controlled pH environments


4. Industrial Applications

  • Water treatment chemicals

  • Detergent formulations

  • Ceramic and textile processing




Packaging & Storage


Packaging Options:

  • 25 kg bags with PE liner

  • 500 kg / 1000 kg jumbo bags

  • Customized packaging available


Storage Conditions:

  • Store in a dry, cool, and well-ventilated place

  • Avoid moisture exposure

  • Keep tightly sealed after opening




Frequently Asked Questions (FAQs)


1. What is the difference between anhydrous and hydrated potassium phosphate?

Anhydrous potassium phosphate contains no water molecules, offering higher purity and stability, while hydrated forms contain bound water and may have lower active content.


2. Is this product suitable for food use?

Yes, food-grade anhydrous potassium phosphate can be used in food applications if it complies with relevant regulatory standards.


3. What is the main function of potassium phosphate in food?

It mainly acts as a buffer, stabilizer, and emulsifier, helping control pH and improve product consistency.


4. Can it be used in fertilizers?

Yes, it is an excellent source of potassium (K) and phosphorus (P), widely used in liquid and specialty fertilizers.


5. How should it be stored?

It should be stored in a dry and sealed environment to prevent moisture absorption and caking.


6. Is it compatible with other chemicals?

Generally compatible with many compounds, but compatibility testing is recommended for specific formulations.



Why Choose Our Product?


  • Reliable and consistent quality

  • Competitive pricing for global markets

  • Stable supply capacity

  • Professional export service

  • Fast response and technical support




Contact Us


For quotation, samples, or technical details, please contact:


Email: lisa@aozunchem.com
Wechat / WhatsApp: +86 186 5121 5887


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