Di-Sodium Hydrogen Phosphate Dihydrate GR 1kg
for analysis EMSURE®
Manufacturer: Merck
Catalog ID: 106580.1000
Stock: In Stock
Description
| Catalogue Number | 106580 |
| Replaces | 1.06580.9057; SX0713; SX0713-5 |
| Synonyms | Sodium monohydrogen phosphate, Sodium phosphate dibasic |
| Description | di-Sodium hydrogen phosphate dihydrate |
Product Information
| CAS number | 10028-24-7 |
| EC number | 231-448-7 |
| Hill Formula | HNa₂O₄P * 2 H₂O |
| Chemical formula | Na₂HPO₄ * 2 H₂O |
| Molar Mass | 177.99 g/mol |
| HS Code | 2835 22 00 |
Physicochemical Information
| Density | 2.1 g/cm3 (20 °C) |
| Melting Point | 92.5 °C Elimination of water of crystallisation |
| pH value | 9.0 - 9.4 (50 g/l, H₂O, 20 °C) |
| Bulk density | 850 - 1000 kg/m3 |
| Solubility | 93 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat > 2000 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (acidimetric) | ≥ 99.5 % |
| Identity | passes test |
| pH-value (5 %; water) | 9.0 - 9.2 |
| Chloride (Cl) | ≤ 0.001 % |
| Sulfate (SO₄) | ≤ 0.005 % |
| Total nitrogen (N) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
| Cu (Copper) | ≤ 0.0003 % |
| Fe (Iron) | ≤ 0.001 % |
| K (Potassium) | ≤ 0.005 % |
| Pb (Lead) | ≤ 0.001 % |
