Monosodium phosphate 0AQ
General Product Information
| Artikel | Monosodium phosphate 0AQ |
| Synonyms | E339(i), Sodium dihydrogen phosphate anhydrate, Monobasic sodium phosphate, MSP, Sodium biphosphate |
| CAS No. | 7558-80-7 |
| EEG No. | – |
| EINECS No. | 231-449-2 |
| IMO | – |
| Tariff Code | 28352200 |
| UN No. | – |
| VLG/ADR | – |
Description
Monosodium phosphate 0AQ is an inorganic salt consisting mainly of sodium (Na), phosphorus (P) and oxygen (O). It is an important chemical salt widely used as a buffer in chemical reactions and as an acidity regulator in foods. It is used in both industry and laboratories because of its excellent solubility in water and versatility in various chemical Applications.
Characteristics
- Odor: –
- Hygroscopic: –
- Color: White.
- Grade: Food.
- Solubility: Highly soluble in water.
- Taste: –
- Shape: Crystals or powder.
Physical & Chemical Properties
| Chemical Structure | NaH2PO4 |
| Molar Weight | 119.98 g/mol |
| Melting Point | Approx. 60°C. |
| Boiling Point | – |
| Density | – |
| Refractive Index | – |
| pH | 4.5 – 5.0 (on 1% solution) |
Applications
Monosodium phosphate 0AQ is applied in various ways, for instance:
1. Food Industry
In the food industry, sodium phosphate monobasic is used as an emulsifier and acidity regulator (including under food additive E339(i)) in products such as cheese, ice cream, beverages, and processed meat products. It plays a crucial role at stabilizing pH and improving the texture and shelf life of certain products.
2. Pharmaceutical Industry & Laboratories
In the Pharmaceutical Industry, sodium phosphate monobasic is used as a buffer in injections and as a stabilizer in pharmaceutical preparations. It is also useful in laboratories for regulating pH in solutions used at experiments.
3. Water Treatment
It is widely used in the water treatment industry, especially in cooling water treatment systems and in systems designed to prevent the accumulation of scale. It helps at maintaining proper pH and preventing corrosion.
Interessing Links
- Codex Alimentarius (FAO/WHO) – Guidelines and standards for food additives and ingredients.
- European Chemicals Agency (ECHA) – For chemical information and regulations.
- European Food Information Council (EFIC)
- European Food Safety Authority (EFSA) – Information on the safety and uses of food additives and ingredients.
- PubChem – Monosodium phosphate – Chemical information by the National Library of Medicine of the National Center for Biotechnology Information (NIH-NCBI).
- Wikipedia – Monosodium phosphate