Product Information
Potassium dihydrogen phosphate (CAS No. 7778-77-0) is a white crystalline powder with the molecular formula KH₂PO₄. It is an important phosphorus-potassium compound characterized by excellent water solubility, strong stability, and high purity. It is widely used in agriculture, food, medicine, and industry, and is a versatile basic chemical raw material.
Product Description
|
Molecular Formula |
KH2PO4 |
|
Molecular Weight |
136.09 |
|
CAS |
7778-77-0 |
|
EINECS |
231-913-4 |
|
HS Code |
28352400 |
|
Purity |
98% min, 99% min |
|
Grade |
Food grade, industrial grade |
|
Appearance |
White crystalline powder |
|
Packaging |
20kg, 50kg, 1000kg net bags 25kgs woven bag lined with plastic bag, according to the customer's demand |
COA
| Items | Specification | Test Result |
| Assay (as KH₂PO₄) ≥ | 98.00% | 99.12% |
| P₂O₅ ≥ | 51.50% | 52.00% |
| K₂O ≥ | > 34.0% | 34.36% |
| Moisture ≤ | < 0.5% | 0.10% |
| Water insoluble ≤ | < 0.1% | 0.05% |
| pH (1% solution) | 4.3 - 4.7 | 4.4 |
Uses and Applications
- Agriculture: As a highly effective phosphorus and potassium compound fertilizer, it is used for foliar spraying or root fertilization of grain crops, cash crops, fruits, and vegetables. It promotes flower bud differentiation, fruit setting and development, improves crop yield and quality, and enhances stress resistance.
- Food Industry: Used as a buffering agent, chelating agent, and quality improver in beverages, dairy products, meat products, and baked goods. It regulates product pH, improves taste and stability.
- Pharmaceuticals: As a pharmaceutical excipient, it is used as a buffering agent and solubilizer in pharmaceutical preparations, regulating the pH of drug solutions and improving drug stability and solubility; it can also be used as an ingredient in medical nutritional supplements for potassium and phosphorus deficiency.
- Other Fields: Used in industrial water treatment (as a water quality stabilizer), electroplating industry (as an electroplating additive), cosmetics (for pH adjustment), etc.
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