Project Description
Monosodium Phosphate
Synonyms: Sodium dihydrogen phosphate; Monosodium orthophosphate; Acid monosodium monophosphate; Sodium dihydrogen monophosphate; Monobasic sodium phosphate; MSP
Molecular Formula:
Monosodium Phosphate Anhydrous: NaH2PO4;
Sodium Dihydrogen Phosphate Monohydrate: NaH2PO4·H2O；
Monosodium Phosphate Dihydrate: NaH2PO4·2H2O
Molecular Weight: Anhydrous: 120.01; Monohydrate: 138.01; Dihydrate: 156.01
CAS: Anhydrous: 7558-80-7; Monohydrate: 10049-21-7; Dihydrate: 13472-35-0
INS: E339(i)
Einecs: 231-449-2
Properties: Monosodium Phosphate (MSP) is an odorless, colorless crystal or white granular or crystalline powder. NaH2PO4 is a white powder, and the melting point is at 190℃. NaH2PO4.2H2O is a colorless crystal with a relative density 1.915 and a melting point of 57.4℃. All are easily soluble in water but not in organic solution.
NaH2PO4 Specification:
| Item | MSP Anhy Tech Grade | MSP Anhy Food Grade |
|---|---|---|
| Phosphorus Pentoxide | 58%min. | 58%min. |
| Main Contents | 98%min. | 98%min. |
| PH Value of 1% water solution | 4.2-4.8 | 4.2-4.8 |
| Water insoluble | 0.1%max. | 0.1%max. |
| Heavy metals, as Pb | 0.003%max. | 0.001%max. |
| Arsenic, as As | 0.005%max. | 0.0003%max. |
| Fluoride, as F | 0.01%max. | 0.003%max. |
| Sulfate, as SO4 | 0.5%max. | 0.06%max. |
| Chloride, as Cl | 0.2%max. | 0.05%max. |
NaH2PO4·H2O Specification:
| Item | MSP H2O (Food Grade) |
|---|---|
| Main Contents | 98.0-103.0% |
| Water insoluble | 0.2%max. |
| PH Value of 1% water solution | 4.1-4.7 |
| Heavy metals, as Pb | 0.001%max. |
| Arsenic, as As | 0.0003%max. |
| Fluoride, as F | 0.003%max. |
| Lead, as Pb | 0.0004%max. |
| Loss on drying | 10.0-15.0% |
NaH2PO4·2H2O Specification:
| Item | MSP 2H2O (Food Grade) | MSP 2H2O (Chemical Pure) | MSP 2H2O (Analytical Pure) |
|---|---|---|---|
| Main Contents | 98-103% | 99%min | 99%min |
| PH Value of 1% water solution | 4.1-4.7 | 4.2-4.6 | 4.2-4.6 |
| Water insoluble | 0.1%max. | 0.02%max. | 0.01%max. |
| Heavy metals, as Pb | 0.001%max. | 0.005%max. | 0.001%max. |
| Arsenic, as As | 0.0003%max. | 0.0005%max. | 0.0002%max. |
| Fluoride, as F | 0.003%max. | 0.0003%max | 0.0003%max. |
| Lead, as Pb | 0.0004%max. | 0.0003%max | 0.0003%max. |
| Chloride, as Cl | 0.02%max. | 0.01%max. | 0.005%max. |
| Sulphate, as SO4 | - | 0.01%max. | 0.005%max. |
| Nitrate, as NO3 | - | 0.002%max. | 0.001%max. |
| Iron, as Fe | - | 0.005%max. | 0.001%max. |
| Potassium, as K | - | 0.1%max. | 0.02%max. |
Application:
1. Food Industry: Monosodium Phosphate (MSP) is used as a food additive for various purposes, including pH regulation, emulsification, and texturization. It can be found in processed foods, beverages, and dairy products. MSP is also used as a nutrient supplement, particularly as a source of phosphorus.
2. Water Treatment: Monosodium Phosphate (MSP) is employed in water treatment applications and acts as a sequestering agent, helping to bind and inhibit the precipitation of minerals like calcium and magnesium that could result in scaling issues.
3. Pharmaceutical Industry: Monosodium Phosphate (MSP) can be used in pharmaceutical preparations for its buffering and pH-adjusting properties. It is often included in oral medications, tablets, and capsules to enhance the stability and solubility of active components.
4. Industrial Applications: Monosodium Phosphate (MSP) is used in various industrial processes, including as a buffering agent, cleaning agent, and pH adjuster. It can also serve as a catalyst in certain chemical reactions.
5. Laboratory Applications: In the laboratory setting, monosodium phosphate (MSP) is used for various purposes, such as preparing buffers and calibration solutions, adjusting pH levels in experiments, and as a reagent in various chemical analyses.
For more details, please visit Sodium Dihydrogen Orthophosphate Uses
Packing: In PP+PE bags of 25kgs net each, we can provide packages according to the customer’s requirement.
Storage: Store at a cool, dry, and well-ventilated place.
Shelf life: 24 months.
