Potassium Iodide GR 500gm
for analysis EMSURE® ISO,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 105043.0500
Stock: In Stock
Description
| Catalogue Number | 105043 |
Product Information
| CAS number | 7681-11-0 |
| EC number | 231-659-4 |
| Grade | ISO,Reag. Ph Eur |
| Hill Formula | IK |
| Chemical formula | KI |
| Molar Mass | 166.00 g/mol |
| HS Code | 2827 60 00 |
Physicochemical Information
| Boiling point | 1325 °C (1013 hPa) |
| Density | 3.23 g/cm3 (25 °C) |
| Melting Point | 685 °C |
| pH value | 6.9 (50 g/l, H₂O, 20 °C) |
| Vapor pressure | 1 hPa (745 °C) |
| Bulk density | 1500 kg/m3 |
| Solubility | 1430 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 2779 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (argentometric) | ≥ 99.5 % |
| Assay (argentometric; calculated on dried substance) | 99.5 - 100.5 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Alkaline impurities | passes test |
| pH-value (5 %; water) | 6 - 8 |
| Chloride and Bromide (as Cl) | ≤ 0.01 % |
| Iodate (IO₃) | ≤ 0.0003 % |
| Phosphate (PO₄) | ≤ 0.001 % |
| Sulfate (SO₄) | ≤ 0.001 % |
| Thiosulfate (S₂O₃) | passes test |
| Total nitrogen (N) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| As (Arsenic) | ≤ 0.00001 % |
| Ba (Barium) | ≤ 0.002 % |
| Ca (Calcium) | ≤ 0.001 % |
| Cu (Copper) | ≤ 0.0002 % |
| Fe (Iron) | ≤ 0.0002 % |
| Mg (Magnesium) | ≤ 0.001 % |
| Na (Sodium) | ≤ 0.03 % |
| Pb (Lead) | ≤ 0.0002 % |
| Reducing substances | passes test |
| Loss on Drying (105°C) | ≤ 0.1 % |
