Potassium Chloride GR 1kg
for analysis EMSURE®
Manufacturer: Merck
Catalog ID: 104936.1000
Stock: In Stock
Description
Catalogue Number | 104936 |
Product Information
CAS number | 7447-40-7 |
EC number | 231-211-8 |
Hill Formula | ClK |
Chemical formula | KCl |
Molar Mass | 74.55 g/mol |
HS Code | 3105 10 00 |
Physicochemical Information
Boiling point | 1413 °C (1013 hPa) |
Density | 1.98 g/cm3 (20 °C) |
Melting Point | 773 °C |
pH value | 5.5 - 8.0 (50 g/l, H₂O, 25 °C) |
Bulk density | 1000 kg/m3 |
Solubility | 347 g/l |
Toxicological Information
LD 50 oral | LD50 Rat 2600 mg/kg |
Storage and Shipping Information
Storage | Store at +5°C to +30°C. |
Specifications
Assay (argentometric) | ≥ 99.5 % |
In water insoluble matter | ≤ 0.01 % |
pH-value (5 %; water) | 5.5 - 8.0 |
Bromide (Br) | ≤ 0.05 % |
Iodide (I) | ≤ 0.002 % |
Phosphate (PO₄) | ≤ 0.0005 % |
Sulfate (SO₄) | ≤ 0.005 % |
Total nitrogen (N) | ≤ 0.001 % |
Heavy metals (as Pb) | ≤ 0.0005 % |
Ba (Barium) | ≤ 0.001 % |
Ca (Calcium) | ≤ 0.001 % |
Fe (Iron) | ≤ 0.0003 % |
Mg (Magnesium) | ≤ 0.002 % |
Na (Sodium) | ≤ 0.02 % |