$1 091
- Part Number: MIL-221945-25KG
- Lead Time: 7-14 days
- Quantity: each
- Size: 2.5 kg
- Style: chemical
Potassium Iodide 99% ACS Reagent 2.5 Kg
- CAS Number 7681-11-0
- Linear Formula KI
- Molecular Weight 166.00
- EC Number 231-659-4
- MDL number MFCD00011405
- PubChem Substance ID 329752287
- NACRES NA.21
| Grade | ACS reagent |
| Vapor Density | >1 (vs air) |
| Vapor Pressure | 1 mmHg (745°C) |
| InChI Key | NLKNQRATVPKPDG-UHFFFAOYSA-M |
| Assay | ≥99.0% |
| Impurities | ≤0.001% N compounds ≤0.005% insolubles |
| loss | ≤0.2% loss on drying |
| pH | 6.0-9.2 (25°C, 5%) |
| mp | 681°C (lit.) |
| anion traces | chloride, bromide (as Cl)-: ≤0.01% iodate (IO3-): ≤3 ppm phosphate (PO43-): ≤0.001% sulfate (SO42-): ≤0.005% |
| cation traces | Ba: ≤0.002% Ca: ≤0.002% Fe: ≤3 ppm Mg: ≤0.001% Na: ≤0.005% heavy metals (as Pb): ≤5 ppm |
General description
Potassium iodide is a water soluble inorganic salt that can be prepared by reacting hydrogen iodide and potassium bicarbonate.
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.
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