MERCK 106576.1000 Di-Sodium Hydrogen Phosphate Dihydrate EMPROVE ESSENTIAL Ph Eur,BP,USP\ CAS No.10028-24-7
| Description |
|---|
| Catalogue Number | 106576 |
| 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 |
| Grade | Ph Eur,BP,USP |
| Hill Formula | HNa₂O₄P * 2 H₂O |
| Chemical formula | Na₂HPO₄ * 2 H₂O |
| Molar Mass | 177.99 g/mol |
| HS Code | 2835 22 00 |
| Quality Level | MQ500 |
| 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 +15°C to +25°C. |
| Specifications |
|---|
| Assay (calculated on dried substance according to Ph Eur) | 98.0 - 101.0 % |
| Assay (calculated on dried substance according to USP) | 98.0 - 100.5 % |
| Identity | passes test |
| Appearance of solution | passes test |
| In water insoluble matter | ≤ 0.3 % |
| pH-value (5 %; water) | 8.9 - 9.2 |
| Chloride (Cl) | ≤ 0.005 % |
| Sulfate (SO₄) | ≤ 0.02 % |
| As (Arsenic) | ≤ 0.00015 % |
| Fe (Iron) | ≤ 0.001 % |
| Sodium dihydrogen phosphate (NaH₂PO₄) | ≤ 1.7 % |
| Residual solvents (ICH Q3C) | excluded by manufacturing process |
| Substances reducing potassium permanganate (as O) | passes test |
| Loss on drying (130 °C) | 19.5 - 21.0 % |
| Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*). |
| Corresponds to Ph Eur, BP, USP |
| Global Trade Item Number |
|---|
| Catalogue Number | GTIN |
|---|
| 1065761000 | 04022536079257 |
| 1065765000 | 04022536079264 |
| 1065766025 | 04061841078593 |
| 1065769013 | 04027269170653 |
| 1065769029 | 04022536940960 |
