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 |