Potassium Nitrate GR 1kg
for analysis EMSURE® ISO,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 105063.1000
Stock: In Stock
Description
| Catalogue Number | 105063 |
| Synonyms | Nitric acid potassium salt |
Product Information
| CAS number | 7757-79-1 |
| EC number | 231-818-8 |
| Grade | ISO,Reag. Ph Eur |
| Hill Formula | KNO₃ |
| Chemical formula | KNO₃ |
| Molar Mass | 101.10 g/mol |
| HS Code | 2834 21 00 |
Physicochemical Information
| Melting Point | 334 °C |
| pH value | 5.0 - 7.5 (50 g/l, H₂O, 20 °C) |
| Bulk density | 800 kg/m3 |
| Solubility | 320 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 3015 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (alkalimetric) | ≥ 99.0 % |
| pH-value (5 %; water) | 5.0 - 7.5 |
| Chloride (Cl) | ≤ 0.001 % |
| Iodate (IO₃) | ≤ 0.0005 % |
| Nitrite (NO₂) | ≤ 0.001 % |
| Phosphate (PO₄) | ≤ 0.0005 % |
| Sulfate (SO₄) | ≤ 0.003 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Ca (Calcium) | ≤ 0.001 % |
| Cu (Copper) | ≤ 0.0001 % |
| Fe (Iron) | ≤ 0.0003 % |
| Mg (Magnesium) | ≤ 0.0015 % |
| Na (Sodium) | ≤ 0.02 % |
| NH₄ (Ammonium) | ≤ 0.001 % |
| Pb (Lead) | ≤ 0.0001 % |
| Corresponds to ISO,Reag. Ph Eur |
