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LC4879 di-Potassium hydrogen phosphateanhydrous for analysis EMSURE |
| Order number | Packaging | Quantity | Price € |
| AC31879 | Plastic bottle | 1 kg | 39.60 |
| AC31879 | Fibre carton | 50 kg | inquire |
| Product information | |
| Synonyms | Dipotassium hydrogen phosphate, Potassium phosphate dibasic |
| Hill Formula | HK2O4P |
| Chemical formula | K2HPO4 |
| HS Code | 2835 24 00 |
| EC number | 231-834-5 |
| Molar mass | 174.18 g/mol |
| CAS number | 7758-11-4 |
| Chemical and physical data | |
| Solubility | 1600 g/l (20 °C) |
| Molar mass | 174.18 g/mol |
| Density | 2.44 g/cm3 (20 °C) |
| Bulk density | 700 – 1000 kg/m3 |
| pH value | 9 (10 g/l, H2O, 20 °C) |
| Safety information | |
| RTECS | TC5580000 |
| Storageclass | 10 – 13 Other liquids and solids |
| WGK | WGK 1 slightly water endangering |
| Disposal | 14 Inorganic 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). |
| Toxicological data | |
| LD 50 oral | LD50 rat 8000 mg/kg |
| Specifications | |
| Assay (acidimetric) | ≥ 99.0 % |
| pH-value (5 %; water) | 8.7 – 9.3 |
| Chloride (Cl) | ≤ 0.003 % |
| Sulphate (SO4) | ≤ 0.005 % |
| Total nitrogen (N) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Fe (Iron) | ≤ 0.001 % |
| Na (Sodium) | ≤ 0.5 % |
| Loss on drying (130 °C) | ≤ 1.0 % |