Potassium iodide
SIGALD/221945 - ACS reagent, ≥99.0%
CAS Number: 7681-11-0
Empirical Formula (Hill Notation): IK
Molecular Weight: 166.00
EC Number: 231-659-4
MDL Number: MFCD00011405
Linear Formula: KI
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 221945-100G
This image depicts SKU: 221945-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 221945-500G
This image depicts SKU: 221945-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 221945-2.5KG
This image depicts SKU: 221945-2.5KG
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 221945-5G
This image depicts SKU: 221945-5G
| anion traces | chloride, bromide (as Cl)-: ≤0.01% |
| iodate (IO3-): ≤3 ppm | |
| phosphate (PO43-): ≤0.001% | |
| sulfate (SO42-): ≤0.005% | |
| assay | ≥99.0% |
| cation traces | Ba: ≤0.002% |
| Ca: ≤0.002% | |
| Fe: ≤3 ppm | |
| heavy metals (as Pb): ≤5 ppm | |
| Mg: ≤0.001% | |
| Na: ≤0.005% | |
| form | crystals |
| grade | ACS reagent |
| impurities | ≤0.001% N compounds |
| ≤0.005% insolubles | |
| InChI | 1S/HI.K/h1H;/q;+1/p-1 |
| InChI key | NLKNQRATVPKPDG-UHFFFAOYSA |
| loss | ≤0.2% loss on drying |
| mp | 681 °C (lit.) |
| pH | 6.0-9.2 (25 °C, 5%) |
| Quality Level | 200  |
| SMILES string | [K+].[I-] |
| vapor pressure | 1 mmHg ( 745 °C) |
| Application: | Potassium iodide may be used as a catalyst in the following processes: Conversion of aromatic primary amines to the corresponding nitro compounds in the presence of tert-butyl hydroperoxide as oxidant. Conversion of aryl halide to aryl iodides in the presence of nickel catalysts. Preparation of sulfonated oxindoles from activated alkenes and sulfonylhydrazides in water and in the presence of 8-crown-6 and tert-butyl hydroperoxide. |
| General description: | Potassium iodide is a water soluble inorganic salt that can be prepared by reacting hydrogen iodide and potassium bicarbonate. |
| Legal Information: | Redi-Dri is a trademark of Sigma-Aldrich Co. LLC |
| Other Notes: | Go to Redi-Dri™ Product Listing 746428 |
| Packaging: | 12 kg in poly drum |
| Packaging: | 2.5 kg in poly bottle |
| Packaging: | 5, 100, 500 g in poly bottle |
| Packaging: | 50 kg in fiber drum |
| Symbol |  GHS08 |
| Signal word | Danger |
| Hazard statements | H372 |
| Precautionary statements | P260 - P264 - P270 - P314 - P501 |
| Hazard Codes | Xn |
| Risk Statements | 22-36/38 |
| Safety Statements | 26 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Purity | ≥99.0% |
| mp | 681 °C (lit.) |
| UNSPSC | 12352302 |