Sodium Phosphate Dibasic
Application Notes
Sodium dibasic anhydrous is used as a sequestrant, emulsifier and buffer in foods, as mordant in dyeing for weighting silk, in tanning, in manufacturing of enamels, ceramics, detergents, boiler compounds; as fireproofing agent in soldering and brazing instead of borax; as reagent and buffer in analytical chemistry, cathartic.,laxative. It a reagent with very high buffering capacity widely used in molecular biology, biochemistry and chromatography. Useful in conjunction with Sodium Phosphate, Monobasic in the preparation of biological buffers. Used in many applications including the purification of antibodies.
Usage Statement
Unless specified otherwise, MP Biomedical's products are for research or further manufacturing use only, not for direct human use. For more information, please contact our customer service department.
Key Applications
Reagent | Buffer
| SKU | 02191440-CF |
| Alternate Names | Disodium hydrogen phosphate; Dibasic sodium phosphate; Disodium orthophosphate; Disodium phosphate; DSP; Phosphate of soda; Secondary sodium phosphate; sec-Sodium phosphate; Sodium hydrogenphosphate |
| Application Notes | Sodium dibasic anhydrous is used as a sequestrant, emulsifier and buffer in foods, as mordant in dyeing for weighting silk, in tanning, in manufacturing of enamels, ceramics, detergents, boiler compounds; as fireproofing agent in soldering and brazing instead of borax; as reagent and buffer in analytical chemistry, cathartic.,laxative. It a reagent with very high buffering capacity widely used in molecular biology, biochemistry and chromatography. Useful in conjunction with Sodium Phosphate, Monobasic in the preparation of biological buffers. Used in many applications including the purification of antibodies. |
| Base Catalog Number | 191440 |
| CAS # | 7558-79-4 |
| Density | approx 1.7 g/cu cm |
| EC Number | 231-448-7 |
| Format | Crystalline powder |
| Grade | Anhydrous, ACS |
| Insoluble Matter | ≤0.01% |
| Molecular Formula | Na2HPO4 |
| Molecular Weight | 141.957 g/mol |
| Pack Size | 1 Box |
| Personal Protective Equipment | Eyeshields, Gloves, respirator filter |
| pH | Between 8,4 and 9,6 (1 % solution) |
| pKa | (25 °C) - 2.15, 6.82, 12.38 (phosphoric acid)(lit.) |
| RTECS Number | WC4500000 |
| Solubility | Freely soluble in <a class="pubchem-internal-link CID-962" href="https://pubchem.ncbi.nlm.nih.gov/compound/water">water</a>. Insoluble in <a class="pubchem-internal-link CID-702" href="https://pubchem.ncbi.nlm.nih.gov/compound/ethanol">ethanol</a> |
| Usage Statement | Unless specified otherwise, MP Biomedical's products are for research or further manufacturing use only, not for direct human use. For more information, please contact our customer service department. |
![MP COA [191440] lot ID: M3349](https://www.mpbio.com/static/version1742546773/frontend/Mpbio/default/en_US/images/document.png "MP COA [191440] lot ID: M3349")
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