MERCK 106580.1000 di-Sodium Hydrogen Phosphate Dihydrate GR CAS No.10028-24-7
| CAS # | EC Number | Hill Formula | Chemical Formula | Molar Mass |
|---|
| 10028-24-7 | 231-448-7 | HNa₂O₄P * 2 H₂O | Na₂HPO₄ * 2 H₂O | 177.99 g/mol |
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| 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 |
| Quality Level | MQ300 |
| 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 |
| Safety Information according to GHS |
|---|
| Storage class | 10 - 13 Other liquids and solids |
| WGK | WGK 1 slightly hazardous to water |
| Disposal | 14Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
| Storage and Shipping Information |
|---|
| Storage | Store at +2°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 % |
| Cu (Copper) | ≤ 0.0003 % |
| Fe (Iron) | ≤ 0.001 % |
| K (Potassium) | ≤ 0.005 % |
| Pb (Lead) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
