High-purity sodium phosphate tribasic dodecahydrate supplied as crystals or chunks for analytical laboratory applications, buffer preparation, and water-treatment studies. This ACS reagent and puriss. p.a. grade material has an assay of ≥98.0% by titration. Catalog number 71911-1KG contains 1 kg.
Sigma-Aldrich® Sodium Phosphate Tribasic Dodecahydrate
Part Number: 71911-1KG
| Attribute | Specification |
|---|---|
| Brand | Sigma-Aldrich® |
| Manufacturer | Merck |
| Catalog number | 71911-1KG |
| Product name | Sodium phosphate tribasic dodecahydrate |
| Synonyms | Trisodium phosphate dodecahydrate; TSP |
| Grade | ACS reagent; puriss. p.a. |
| Assay | ≥98.0% by titration |
| Form | Crystals or chunks |
| Chemical formula | Na₃PO₄·12H₂O |
| CAS number | 10101-89-0 |
| EC number | 231-509-8 |
| Molecular weight | 380.12 g/mol |
| pH | 13 at 25°C, 190.1 g/L |
| Density | 1.62 g/mL at 25°C |
| Free alkali | ≤2.5% as NaOH |
| Total nitrogen | ≤0.001% |
| Chloride | ≤10 mg/kg |
| Sulfate | ≤50 mg/kg |
| Applications | Buffer preparation and water-treatment studies |
| Pack size | 1 kg |
| Manufacturer selling unit | Each |
| GHS signal word | Warning |
| Hazard statements | H315, H319 and H335 |
Product Details
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