Potassium Dihydrogen Phosphate Suprapur 50Grm
Potassium dihydrogen phosphate anhydrous 99.995 Suprapur®. CAS No. 7778-77-0, EC Number 231-913-4.
Manufacturer: Merck
Catalog ID: 105108.0050
Stock: In Stock
Description
| Catalogue Number | 105108 |
| Replaces | 5108-1; 5108-2; 5108 |
| Synonyms | mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic |
Product Information
| CAS number | 7778-77-0 |
| EC number | 231-913-4 |
| Hill Formula | H₂KO₄P |
| Chemical formula | KH₂PO₄ |
| Molar Mass | 136.08 g/mol |
| HS Code | 2835 24 00 |
Applications
| Application | Potassium dihydrogen phosphate anhydrous 99.995 Suprapur®. CAS No. 7778-77-0, EC Number 231-913-4. |
Physicochemical Information
| Density | 2.33 g/cm3 (21.5 °C) |
| Melting Point | 253 °C (decomposition) |
| pH value | 4.2 - 4.6 (20 g/l, H₂O, 20 °C) |
| Bulk density | 1200 kg/m3 |
| Solubility | 208 g/l |
Toxicological Information
| LD 50 dermal | LD50 Rabbit > 4640 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Purity (metallic) | ≥ 99.995 % |
| Assay (acidimetric) | ≥ 99.5 % |
| Spec. Absorbance A at 260 nm (2 cm, 10%, water) | ≤ 0.010 |
| Chloride (Cl) | ≤ 5 ppm |
| Sulfate (SO₄) | ≤ 30 ppm |
| As (Arsenic) | ≤ 0.1 ppm |
| Ba (Barium) | ≤ 5.0 ppm |
| Ca (Calcium) | ≤ 0.50 ppm |
| Cd (Cadmium) | ≤ 0.005 ppm |
| Ce (Cerium) | ≤ 0.010 ppm |
| Co (Cobalt) | ≤ 0.010 ppm |
| Cu (Copper) | ≤ 0.005 ppm |
| Eu (Europium) | ≤ 0.010 ppm |
| Fe (Iron) | ≤ 0.10 ppm |
| Hg (Mercury) | ≤ 0.05 ppm |
| La (Lanthanum) | ≤ 0.010 ppm |
| Mg (Magnesium) | ≤ 0.50 ppm |
| Mn (Manganese) | ≤ 0.010 ppm |
| Na (Sodium) | ≤ 20.0 ppm |
| Ni (Nickel) | ≤ 0.010 ppm |
| Pb (Lead) | ≤ 0.005 ppm |
| Sm (Samarium) | ≤ 0.010 ppm |
| Sr (Strontium) | ≤ 0.50 ppm |
| Tl (Thallium) | ≤ 0.01 ppm |
| Y (Yttrium) | ≤ 0.010 ppm |
| Yb (Ytterbium) | ≤ 0.010 ppm |
| Zn (Zinc) | ≤ 0.005 ppm |
