MERCK 105104.1000 di-Potassium Hydrogen Phosphate Anhydrous GR CAS No.2139900
| Description |
|---|
| Catalogue Number | 105104 |
| Synonyms | Dipotassium hydrogen phosphate, Potassium phosphate dibasic, Dipotassium Phosphate |
| Product Information |
|---|
| CAS number | 7758-11-4 |
| EC number | 231-834-5 |
| Hill Formula | HK₂O₄P |
| Chemical formula | K₂HPO₄ |
| Molar Mass | 174.18 g/mol |
| HS Code | 2835 24 00 |
| Quality Level | MQ300 |
| Physicochemical Information |
|---|
| Density | 2.45 g/cm3 (20.5 °C) |
| Melting Point | >450 °C (decomposition) |
| pH value | 9.2 (H₂O) |
| Bulk density | 700 - 1000 kg/m3 |
| Solubility | 1600 g/l |
| Toxicological Information |
|---|
| LD 50 oral | LD50 Rat 8000 mg/kg |
| Safety Information according to GHS |
|---|
| RTECS | TC5580000 |
| 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 (alkalimetric) | ≥ 99.0 % |
| pH-value (5 %; water) | 8.7 - 9.3 |
| Chloride (Cl) | ≤ 0.003 % |
| Sulfate (SO₄) | ≤ 0.005 % |
| Total nitrogen (N) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Fe (Iron) | ≤ 0.0010 % |
| Na (Sodium) | ≤ 0.5 % |
| Loss on drying (130 °C) | ≤ 1.0 % |
| Global Trade Item Number |
|---|
| Catalogue Number | GTIN |
|---|
| 1051041000 | 04022536061030 |
| 1051049025 | 04027269019853 |
| 1051049050 | 04022536061054 |