Disodium Hydrogen Phosphate (Food Grade) CAS#7558-79-4
High Solubility: Disodium hydrogen phosphate has favorable solubility, freely soluble in water, insoluble in ethanol and other organic solvents, easy to prepare uniform liquid mixture for various food processing formulas.
Stable pH: Its aqueous solution is weakly alkaline with steady pH value. It maintains excellent thermal stability after moderate heating and keeps stable chemical properties under conventional storage conditions.
Versatile Uses: It is widely applied as acidity regulator, buffering agent, leavening aid, chelating agent and nutritional supplement in food industry to stabilize food texture and improve product quality.
Crystalline Form & Hygroscopic Nature: This product exists as white crystalline powder or granular solid, odorless and compliant with food safety standards, with slight hygroscopicity, convenient for accurate weighing, packaging and warehouse management.
Disodium hydrogen phosphate, with the molecular formula Na₂HPO₄, is an odorless white crystalline substance. It owns excellent buffering performance and good compatibility with various food raw materials. It meets international food additive specifications, features mild properties and high safety, and can be stably used in food production.
Disodium Hydrogen Phosphate Chemical Properties
| Property | Value |
|---|---|
| Melting point | 243 °C (lit.) |
| Density | 1.52 g/cm³ |
| Vapor density | Not applicable |
| Refractive index | 1.463 |
| Storage temp | Store below +30°C, sealed dry environment |
| Solubility | Freely soluble in water, insoluble in ethanol |
| Form | Crystalline powder / Granular |
| Color | Pure white |
| Odor | Odorless |
| PH Range | 8.8-9.4 at 100 g/l |
| PH | 8.8-9.4 (100g/l, H₂O, 20℃) |
| Water Solubility | 1220 g/L (25 ℃) |
| Sensitive | Slightly hygroscopic |
| Merck | 14,8666 |
| BRN | Not available |
| Stability | Stable at room temperature, incompatible with strong acids |
| InChIKey | BNIILDVGGAEEIG-UHFFFAOYSA-L |
| CAS DataBase Reference | 7558-79-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Disodium hydrogen phosphate(7558-79-4) |
| EPA Substance Registry System | Sodium hydrogen phosphate (7558-79-4) |
Safety Information
| Item | Value |
|---|---|
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 1 |
| RTECS | WA1925000 |
| F | Non-flammable |
| TSCA | Yes |
| HS Code | 2835231000 |
This product is commonly used in beverages, dairy products, baked goods, meat products and condiments in food industry, serving as pH buffer, food quality improver and mineral nutrition fortifier. It can effectively stabilize product acidity and prolong shelf life. In addition, it is also widely used in feed additives, water treatment, chemical buffering solution preparation, electroplating industry and daily chemical auxiliary production.
