| 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 % |
| Sulphate (SO₄) | ≤ 0.001 % |
| Thiosulphate (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 % |
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Key Spec Table
| CAS # | EC Number | Hill Formula | Chemical Formula | Molar Mass | Grade Value |
|---|---|---|---|---|---|
| 7681-11-0 | 231-659-4 | IK | KI | 166.00 g/mol | ISO,Reag. Ph Eur |
| 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 |
| Applications | |
|---|---|
| Application | Potassium iodide for analysis EMSURE® ISO,Reag. Ph Eur. Potassium iodide CAS No. 7681-11-0, EC Number 231-659-4. Potassium iodide MSDS (material safety data sheet) or SDS here. |
| Physicochemical Information | |
|---|---|
| Boiling point | 1325 °C (1013 hPa) |
| Density | 3.13 g/cm3 (20 °C) |
| Melting Point | 723 °C |
| pH value | 6.9 (50 g/l, H₂O, 20 °C) |
| Bulk density | 1500 kg/m3 |
| Solubility | 1430 g/l |
| Toxicological Information | |
|---|---|
| LD 50 oral | LD50 Rat 2779 mg/kg |
| Safety Information according to GHS | |
|---|---|
| RTECS | TT2975000 |
| Storage class | 10 - 13 Other liquids and solids |
| WGK | WGK 1 slightly water endangering |
| Disposal | 14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
| Storage and Shipping Information | |
|---|---|
| Storage | Store at +5°C to +30°C. |
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