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Dipotassium hydrogen phosphate trihydrate CAS 16788-57-1 DKP

Synonyms: dipotassium hydrogen phosphate
Molecular Formula: K2HPO4·3H2O
Molecular Weight:228.20486
Hazard Class:General cargo
HS Code: 2835 2400
Grade:Industrial grade 50%
Availability:
  • 16788-57-1

  • bosschemical

  • 16788-57-1

what is of Dipotassium hydrogen phosphate trihydrate CAS 16788-57-1 ?

Dipotassium hydrogen phosphate trihydrate (K₂HPO₄ ⋅ 3H₂O) is a highly soluble, odorless, white crystalline salt. It is primarily used as a buffering agent, pH regulator, and nutrient source in food processing, pharmaceuticals, agriculture, and biological assays.

Specification

Item

Specification

Main Content ≥

50±0.5%

Specific Gravity

1.5±0.2 g/ml

P₂O₅ Content ≥

17.0%

Converted to P₂O₅ ≥

22.0%

Volume Concentration (P₂O₅) ≥

350 g/L

K₂O Content ≥

29%

Volume Concentration (K₂O) ≥

450 g/L

Heavy Metals ≤

0.001%

Chloride ≤

0.1%

Water Insolubles ≤

0.1%

Iron ≤

50 mg/Kg

pH

7-9


Application Scenarios:

Agricultural Grade: High-Grade Liquid Fertilizer

 

1. Highly Concentrated Clear Liquid Fertilizer and Foliar Fertilizer: It is an ideal potassium and phosphorus source for formulating high-grade water-soluble fertilizers, clear liquid fertilizers, and liquid micronutrient fertilizers.

 

2. Soilless and Hydroponic Nutrient Solutions: In nutrient solution formulations for high-grade flowers and greenhouse vegetables (such as hydroponic lettuce and tomatoes), it can precisely supplement phosphorus and potassium elements, and also act as a buffer, stabilizing the pH value of the nutrient solution and preventing root damage due to drastic changes in pH. Spraying during the mid-to-late stages of crop growth can significantly promote flower bud differentiation (preserving flowers and fruits), accelerate the maturation of new shoots, control excessive growth, and promote fruit enlargement, coloring, and sugar accumulation.

 

Food Grade - Prevents Solid Powder from Absorbing Moisture and Clumping

 

1. Liquid Dairy and Beverage Stabilizer: Widely used in modified milk, evaporated milk, condensed milk, coconut milk, soy milk, and other liquid beverages. 1. **Regulates the pH of emulsions, stabilizes casein in milk, and prevents protein aggregation, stratification, precipitation, or fat floating during high-temperature sterilization (such as UHT) or long shelf life.**

 

2. **Liquid Coffee Creamer (Coffee Mate):** Stabilizes the fat and protein in liquid creamer, preventing "feathering" precipitation when added to slightly acidic hot coffee, maintaining a smooth texture.

 

3. **Low-Sodium Reduced-Salt Food (Emulsified Salt):** Used as an emulsifying salt in cheese processing, it perfectly blends fat and protein without introducing sodium ions, improving cheese texture.

 

 

**Industrial Grade - Industrial Antifreeze - Automotive Engine Antifreeze (Corrosion and Rust Inhibitor):**


Widely added to glycol-based automotive antifreeze. During long-term high-temperature circulation, antifreeze slowly oxidizes, producing acidic substances that corrode the radiator. Adding dipotassium trihydrate neutralizes the acid and forms a microscopic protective film on the aluminum, copper, and iron surfaces of the automotive radiator, preventing pitting and oxidation.

Packing

Inner lining: polyethylene plastic bag; outer lining: woven plastic bag; each bag weighs 25 kg.

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