CAS · 10039-32-4
Product Overview
Disodium phosphate dodecahydrate, with the Chemical Abstracts Service (CAS) number 10039-32-4, is a hydrated form of disodium phosphate. It is a white, crystalline solid that is highly soluble in water. This compound is widely used in various industries due to its buffering, emulsifying, and stabilizing properties.
Product Specifications
| Property | Specification |
|---|---|
| Appearance | Colorless transparent crystals, very efflorescent |
| Na2HPO4.12H2O | 98.5% ~ 102.5% |
| Solubility | Freely soluble in water, practically insoluble in ethanol (96%) |
| Monosodium phosphate | 2.5% max |
| Loss on drying | 57.0% ~ 61.0% |
| Iron | 0.002% max |
| Chlorides | 0.02% max |
| Sulphates | 0.05% max |
| Arsenic | 2 ppm max |
Applications
1. Food Industry:
- Buffering Agent: Disodium phosphate dodecahydrate is used to maintain pH levels in processed foods, such as cheese, canned goods, and baked products.
- Emulsifier: It helps stabilize emulsions in processed cheeses and other dairy products.
- Nutrient Supplement: It is added to foods as a source of phosphorus, an essential mineral.
2. Water Treatment:
- Disodium phosphate dodecahydrate is used in water treatment processes to prevent scale formation and corrosion in boilers and piping systems.
3. Detergents and Cleaning Products:
- It is used as a builder in detergents to enhance cleaning efficiency by softening water and preventing the redeposition of dirt on fabrics.
4. Pharmaceuticals:
- Disodium phosphate dodecahydrate is used as an excipient in pharmaceutical formulations to control pH and as a laxative in certain medications.
5. Laboratory and Research:
- It is used in biochemical and molecular biology laboratories as a component of buffer solutions, such as phosphate-buffered saline (PBS), which is essential for maintaining stable pH conditions in experiments.
6. Textile Industry:
- It is used in dyeing and printing processes to improve the quality and consistency of colors.
7. Agriculture:
- Disodium phosphate dodecahydrate丨10039-32-4 is used as a fertilizer additive to provide phosphorus, a vital nutrient for plant growth.
Benefits
1. pH Regulation:
- Its ability to stabilize pH makes it valuable in food processing, water treatment, and laboratory applications.
2. Emulsification and Stabilization:
- It enhances the texture and stability of food products, particularly in dairy and processed foods.
3. Water Softening:
- In detergents, it improves cleaning efficiency by binding to calcium and magnesium ions in hard water.
4. Nutrient Source:
- It provides essential phosphorus in food and agricultural applications, supporting human health and plant growth.
5. Versatility:
- Its wide range of applications across industries highlights its versatility and importance.
6. Cost-Effectiveness:
- Disodium phosphate dodecahydrate is relatively inexpensive and widely available, making it accessible for various uses.
Conclusion
Disodium phosphate dodecahydrate丨10039-32-4 is a versatile and widely used compound with applications in food processing, water treatment, detergents, pharmaceuticals, and more. Its ability to regulate pH, stabilize emulsions, and provide essential nutrients makes it indispensable in various industries. While it is generally safe, responsible use and disposal are essential to ensure its benefits are realized without adverse effects on health or the environment. As industries continue to evolve, disodium phosphate dodecahydrate will remain a key component in many processes and products.
Previous
Next