Project Description
Disodium Phosphate AR, CP
Synonyms: Sodium hydrogen phosphate; Sodium phosphate dibasic; Disodium hydrogen phosphate; Disodium hydrogen phosphate; DSP
Molecular Formula:
Disodium Phosphate Anhydrous: Na2HPO4;
Disodium Phosphate Dihydrate: Na2HPO4·2H2O;
Disodium Phosphate Heptahydrate: Na2HPO4·7H2O;
Disodium Phosphate Dodecahydrate: Na2HPO4·12H2O
Molecular Weight:
Disodium Phosphate Anhydrous: 141.96;
Disodium Phosphate Dihydrate: 177.96;
Disodium Phosphate Heptahydrate: 268.07;
Disodium Phosphate Dodecahydrate: 358.0
CAS No:
Disodium Phosphate Anhydrous: 7758-79-4;
Disodium Phosphate Dihydrate: 10028-24-7;
Disodium Phosphate Heptahydrate: 7782-85-6;
Disodium Phosphate Dodecahydrate: 10039-32-4
Properties: White or colorless crystalline free-flowing solid or white powder, weathered in air and water soluble in alcohol.
Disodium Phosphate Dodecahydrate (Na2HPO4·12H2O) AR and CP Specification:
| Item | DSP 12H2O (Analytical Reagent) | DSP 12H2O (Chemical Pure) |
|---|---|---|
| Main content | 99.0%min. | 98.0%min. |
| PH of 1% water solution | 9.1-9.4 | 9.1-9.4 |
| Chloride, as Cl | 0.001%max. | 0.003%max. |
| Sulfate, as SO4 | 0.005%max. | 0.03%max. |
| Heavy metals, as Pb | 0.0005%max. | 0.001%max. |
| Arsenic, as As | 0.0005%max. | 0.002%max. |
| Insoluble matter in water | 0.005%max. | 0.01%max. |
| Appearance of Solution | Qualified | Qualified |
| Nitrogen(N) | 0.002%max. | 0.005%max. |
| Potassium(K) | 0.01%max. | 0.05%max. |
| lron(Fe) | 0.0005%max. | 0.001%max. |
Application: As buffering agent for preparing various solutions in biotechnology and pharmaceutical as well as lab research.
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.
Support: Dibasic Sodium Phosphate – Material Safety Data Sheet (MSDS).
