Sodium Dihydrogen Phosphate (Food Grade) CAS#7558-80-7
High Solubility: Sodium dihydrogen phosphate features good solubility, easily soluble in water, slightly soluble in ethanol, and insoluble in most organic solvents, convenient for mixing and matching in various food formulas.
Stable pH: Its aqueous solution presents weak acidity with stable pH value, it maintains excellent thermal stability after moderate heating, and keeps stable chemical properties under conventional storage conditions.
Versatile Uses: It is widely used as acidity regulator, leavening agent, nutritional fortifier and buffer agent in food industry to adjust food taste and stabilize product quality.
Crystalline Form & Hygroscopic Nature: This product is white crystalline powder or granular solid, odorless and food-safe compliant, with slight hygroscopicity, easy to weigh, pack and store in warehouse.
Sodium dihydrogen phosphate, characterized by the molecular formula NaH₂PO₄, appears as white odorless crystalline solid, with mild chemical property and good buffering capacity. It fully meets food additive safety standards, has high biological compatibility, and will not produce harmful substances during normal use.
Sodium Dihydrogen Phosphate Chemical Properties
| Property | Value |
|---|---|
| Melting point | 190 °C (lit.) |
| Density | 1.91 g/cm³ |
| Vapor density | Not applicable |
| Refractive index | 1.461 |
| Storage temp | Store below +30°C, sealed dry place |
| Solubility | Soluble in water, slightly soluble in ethanol |
| Form | Crystalline powder / Granular |
| Color | Pure white |
| Odor | Odorless |
| PH Range | 4.2-4.8 at 100 g/l |
| PH | 4.2-4.8 (100g/l, H₂O, 20℃) |
| Water Solubility | 830 g/L (25 ℃) |
| Sensitive | Slightly hygroscopic |
| Merck | 14,8665 |
| BRN | Not available |
| Stability | Stable at normal temperature, incompatible with strong alkalis |
| InChIKey | AJPJDKMHJJGVTQ-UHFFFAOYSA-L |
| CAS DataBase Reference | 7558-80-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Sodium dihydrogen phosphate(7558-80-7) |
| EPA Substance Registry System | Sodium dihydrogen orthophosphate (7558-80-7) |
Safety Information
| Item | Value |
|---|---|
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 1 |
| RTECS | WA1900000 |
| F | Non-flammable |
| TSCA | Yes |
| HS Code | 2835221000 |
This compound is mainly used in food industry for dairy products, baked food, beverages, meat products and condiments, used as acid regulator, food buffering agent, yeast food and nutritional phosphorus supplement. It can stabilize food pH value, improve fermentation effect and extend shelf life. In addition, it is also applied in feed additives, water treatment industry, chemical buffer preparation, electroplating additives and daily chemical auxiliary fields.
