Sodium phosphate dibasic
SIGALD/S9763 - ACS reagent, ≥99.0%
Synonym: sec-Sodium phosphate; Disodium hydrogen phosphate; Disodium phosphate; Sodium hydrogenphosphate
CAS Number: 7558-79-4
Empirical Formula (Hill Notation): HNa2O4P
Molecular Weight: 141.96
EC Number: 231-448-7
MDL Number: MFCD00003496
Linear Formula: Na2HPO4
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: S9763-100G
This image depicts SKU: S9763-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: S9763-500G
This image depicts SKU: S9763-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: S9763-1KG
This image depicts SKU: S9763-1KG
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: S9763-2.5KG
This image depicts SKU: S9763-2.5KG
| anion traces | sulfate (SO42-): ≤0.005% |
| assay | ≥99.0% |
| cation traces | Fe: ≤0.002% |
| heavy metals: ≤0.001% (by ICP-OES) | |
| form | powder |
| grade | ACS reagent |
| impurities | ≤0.002% Chloride (Cl) |
| ≤0.01% Insoluble matter | |
| InChI | 1S/2Na.H3O4P/c;;1-5(2,3)4 |
| InChI key | BNIILDVGGAEEIG-UHFFFAOYSA |
| loss | ≤0.2% loss on drying, 105°C |
| pH | 8.7-9.3 (25 °C, 5% in solution) |
| pKa (25 °C) | (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
| Quality Level | 200  |
| SMILES string | [Na+].[Na+].[H]OP([O-])([ |
| solubility | water: 5% at 25 °C, clear |
| Application: | Sodium phosphate dibasic has been used in: • the preparation of phosphate buffer saline solution for perfusion procedure • western blot • indirect enzyme linked immunosorbent assay |
| General description: | Sodium phosphate dibasic in combination with sodium phosphate monobasic is used in the preparation of oral sodium phosphate solution (OSPS), which is a purgative used for bowel cleansing before colonoscopy. |
| Legal Information: | Redi-Dri is a trademark of Sigma-Aldrich Co. LLC |
| Other Notes: | Go to Redi-Dri™ Product Listing 795410 |
| Packaging: | 1, 2.5 kg in poly bottle |
| Packaging: | 100, 500 g in poly bottle |
| Packaging: | 5, 12 kg in poly drum |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% |
| UNSPSC | 12352302 |