Di-Sodium Hydrogen Phosphate Dodecahydrate 1Kg
for analysis EMSURE® ISO,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 106579.1000
Stock: In Stock
Description
| Catalogue Number | 106579 |
| Replaces | SX0718; SX0718-1 |
| Synonyms | Sodium monohydrogen phosphate, Sodium phosphate dibasic |
| Description | di-Sodium hydrogen phosphate dodecahydrate |
Product Information
| CAS number | 10039-32-4 |
| EC number | 231-448-7 |
| Grade | ISO,Reag. Ph Eur |
| Hill Formula | HNa₂O₄P * 12 H₂O |
| Chemical formula | Na₂HPO₄ * 12 H₂O |
| Molar Mass | 358.14 g/mol |
| HS Code | 2835 22 00 |
Physicochemical Information
| Density | 1.52 g/cm3 (20 °C) |
| pH value | 9.0 - 9.3 (50 g/l, H₂O, 20 °C) |
| Bulk density | 800 - 900 kg/m3 |
| Solubility | 218 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat > 2000 mg/kg |
Storage and Shipping Information
| Storage | Store at +15°C to +25°C. |
Specifications
| Assay (alkalimetric) | 99.0 - 102.0 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Sodium Dihydrogene phospate | ≤ 2.5 % |
| pH-value (5 %; water) | 9.0 - 9.3 |
| Chloride (Cl) | ≤ 0.0005 % |
| Sulfate (SO₄) | ≤ 0.005 % |
| Total nitrogen (N) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| As (Arsenic) | ≤ 0.00005 % |
| Cu (Copper) | ≤ 0.0002 % |
| Fe (Iron) | ≤ 0.0005 % |
| K (Potassium) | ≤ 0.005 % |
| Pb (Lead) | ≤ 0.0005 % |
| Reducing substances | passes test |
| Water | 57.0 - 61.0 % |
| Corresponds to ISO,Reag. Ph Eur |
