Na₂HPO₄·7H₂O(Disodium phosphate heptahydrate), also known as disodium hydrogen phosphate heptahydrate, is a versatile chemical compound with a wide range of applications. In the food industry, it plays a crucial role as a multifunctional additive. This article explores the properties, applications, and benefits of Na₂HPO₄·7H₂O in the food industry.
Na₂HPO₄·7H₂O appears as colorless crystals or a white crystalline powder. It is highly soluble in water, but insoluble in alcohol. The compound is hygroscopic, meaning it readily absorbs moisture from the atmosphere.
Its chemical properties are as follows:
| Chemical Formula: | Na₂HPO₄·7H₂O |
| Synonyms: | Disodium Phosphate Heptahydrate; Disodium Hydrogen Phosphate Heptahydrate |
| HS Code: | 28352990 |
| E-code: | E 339 (ii) |
| CAS No.: | 7782-85-6 |
| Loadage: | 25mts in 20’ FCL |
| Molecular Weight: | 268.07 g/mol |
| Appearance: | Colorless crystals or white crystalline powder |
| Solubility: | Highly soluble in water, insoluble in alcohol |
| Hygroscopicity: | Readily absorbs moisture from the atmosphere. |
| Assay: | 98.0% on a dry basis. |
| pH (1% Solution): | 8-9 |
| Loss on Drying: | 49-52%. |
| Insoluble Matter: | ≦0.2%. |
Applications In the Food Industry
pH Adjustment: Na₂HPO₄·7H₂O is commonly used as a pH regulator or buffer in various food and beverage products. It helps stabilize the acidity or alkalinity of food formulations, maintaining the desired pH level. This is particularly important in processed meats, canned foods, and dairy products.
Emulsification: It acts as an emulsifying agent in certain food products, helping to stabilize and improve the texture of emulsions. Na₂HPO₄·7H₂O can enhance the consistency of processed meats, sausages, and some dairy products like processed cheese.
Water Retention and Binding: It can improve the water retention capacity of food products, preventing them from becoming too dry or losing moisture during processing or storage. This property makes it useful in meat products, such as hot dogs and deli meats.
Meat Processing: Na₂HPO₄·7H₂O is utilized in the meat industry to enhance the water-holding capacity of meat, which helps improve juiciness and tenderness. It also helps stabilize color and prevent oxidative rancidity in processed meats.
Bakery: In bakery applications, Na₂HPO₄·7H₂O can act as a leavening agent, contributing to the rising of the dough and baked goods. It helps create a light and fluffy texture in cakes, cookies, and bread.
Canned Foods: Na₂HPO₄·7H₂O is added to canned foods to control acidity, improve shelf life, and maintain the quality of the products. It helps regulate pH levels, preventing spoilage and maintaining the desired taste and texture.
Applications in Other Areas
Water Treatment: Due to its ability to control pH levels, Na₂HPO₄·7H₂O is used in water treatment processes, particularly in boiler water treatment. It helps prevent the formation of scale and corrosion in industrial boilers.
Laboratory and Analytical Applications: Na₂HPO₄·7H₂O is utilized in various laboratory and analytical procedures. It can be used as a reagent or buffer in biochemical and molecular biology experiments. It may also serve as a component in the preparation of buffer solutions for pH calibration and standardization.
Cosmetics and Personal Care Products: Na₂HPO₄·7H₂O is occasionally found in cosmetics and personal care items. It can act as a pH adjuster, helping to stabilize the acidity or alkalinity of a product.
Conclusion
In conclusion, Na₂HPO₄·7H₂O is a versatile compound with valuable applications in the food industry. Its ability to regulate pH, enhance emulsification, improve water retention, and contribute to meat processing and baking make it an indispensable ingredient in various food products. Additionally, it finds uses in water treatment, laboratory experiments, and cosmetics.
Contributions of Na₂HPO₄·7H₂O to the food industry highlight its significance in ensuring product quality, stability, and consumer satisfaction. By understanding its properties and applications, manufacturers can leverage its benefits to create innovative and safe food products that meet the demands of consumers in a constantly evolving industry. If you are an importer looking for a reliable supplier of Na₂HPO₄·7H₂O, be sure to choose a reputable company with a proven track record of quality and reliability. Contact Us [email protected]
