Cheapest by volume
$26.65 per litre
Price per unit, converted to US dollars
At Lab Alley, United States
- Pack
- 208 litres for $5,549.16
- Grade
- Laboratory grade · Solution 10% · packs of 25 litres and up
Potassium Iodide suppliers and prices
- Formula
- IK
- CAS number
- 7681-11-0
- Molar mass
- 166.00 g/mol
Smallest amount to spend
$58.26 for 25 grams
Total for one pack, in the store's own currency
At Lab Alley, United States
- Works out at
- $2.33 per gram
- Grade
- Laboratory grade · packs of 10 to 50 grams
21 offers from 3 stores · Prices checked October 28, 2026 · Prices run from $26.65 to $4.22 per litre, because a bigger pack costs less per litre.
Show prices per
Liquids switch to the matching volume: microlitre, millilitre, litre, fluid ounce or US gallon.
Every price we found
27 prices, cheapest first
| Store | Grade and pack | Price | Link |
|---|---|---|---|
| Lab AlleyUnited States | Laboratory grade · Solution 10% · packs of 25 litres and up208 litres for $5,549.16 | $26.65 per litre | View at store |
| Lab AlleyUnited States | Laboratory grade · Solution 10% · packs of 1 to 25 litres16 litres for $757.85 | $47.37 per litre | View at store |
| Lab AlleyUnited States | Laboratory grade · Solution 10% · packs of 50 millilitres to 1 litre500 millilitres for $71.40 | $143 per litre | View at store |
| Lab AlleyUnited States | Reagent grade · Solution 20% · packs of 1 to 25 litres4 litres for $622.04 | $156 per litre | View at store |
| Lab AlleyUnited States | Analytical grade · Solution 20% · packs of 1 to 25 litres4 litres for $622.04 | $156 per litre | View at store |
| Lab AlleyUnited States | Reagent grade · Solution 20% · packs of 50 millilitres to 1 litre500 millilitres for $103.67 | $207 per litre | View at store |
| Lab AlleyUnited States | Analytical grade · Solution 20% · packs of 50 millilitres to 1 litre500 millilitres for $103.67 | $207 per litre | View at store |
| Science CompanyUnited States | Laboratory grade · packs of 50 grams to 1 kilogram500 grams for $109.95 | $220 per kilogram | View at store |
| Lab AlleyUnited States | USP grade · packs of 25 kilograms and up25 kilograms for $5,805.72 | $232 per kilogram | View at store |
| Lab AlleyUnited States | Food grade · packs of 25 kilograms and up25 kilograms for $5,805.72 | $232 per kilogram | View at store |
| Lab AlleyUnited States | USP grade · packs of 1 to 25 kilograms22.7 kilograms for $5,273.91 | $233 per kilogram | View at store |
| Lab AlleyUnited States | Food grade · packs of 1 to 25 kilograms22.7 kilograms for $5,273.91 | $233 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · Solution · packs of 50 millilitres to 1 litre500 millilitres for $128.42 | $257 per litre | View at store |
| Lab AlleyUnited States | Laboratory grade · packs of 25 kilograms and up25 kilograms for $6,767.80 | $271 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · packs of 1 to 25 kilograms22.7 kilograms for $6,252.80 | $276 per kilogram | View at store |
| Lab AlleyUnited States | ACS grade · packs of 25 kilograms and up25 kilograms for $7,208.80 | $288 per kilogram | View at store |
| Lab AlleyUnited States | ACS grade · packs of 1 to 25 kilograms12.5 kilograms for $4,128.91 | $330 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · packs of 50 grams to 1 kilogram500 grams for $211.20 | $422 per kilogram | View at store |
| Lab AlleyUnited States | USP grade · packs of 50 grams to 1 kilogram500 grams for $215.19 | $430 per kilogram | View at store |
| Lab AlleyUnited States | Food grade · packs of 50 grams to 1 kilogram500 grams for $215.19 | $430 per kilogram | View at store |
| Lab DepotUnited States | ACS grade · packs of 1 to 25 kilograms12 kilograms for $5,547.84 | $462 per kilogram | View at store |
| Lab AlleyUnited States | ACS grade · packs of 50 grams to 1 kilogram500 grams for $398.14 | $796 per kilogram | View at store |
| Lab DepotUnited States | ACS grade · packs of 50 grams to 1 kilogram750 grams for $1,152.34 | $1,536 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · packs of 10 to 50 grams25 grams for $58.26 | $2.33 per gram | View at store |
| Lab AlleyUnited States | USP grade · packs of 10 to 50 grams25 grams for $73.35 | $2.93 per gram | View at store |
| Lab AlleyUnited States | Food grade · packs of 10 to 50 grams25 grams for $73.35 | $2.93 per gram | View at store |
| Lab DepotUnited States | ACS grade · packs of 10 to 50 grams25 grams for $105.50 | $4.22 per gram | View at store |
Making a solution?
Pick the strength and how much you need. We work out the grams of Potassium Iodide and what they cost at the cheapest store we track.
- You need
- 166 grams
- of Potassium Iodide, molar mass 166.00 g/mol
- That much costs
- $36.50
- $36.50 per litre of solution, at the lowest price per gram we found
Weigh it out, dissolve it in less water than you need, then top up to the full amount.
Bulk suppliers in the US
7 companies make or distribute it, as reported to the US Environmental Protection Agency in 2020 and 2024.
- BASFMaker · New Jersey
- Deepwater ChemicalsMaker · Oklahoma
- Entec PolymerMaker · Florida
- Charkit ChemicalDistributor · Connecticut · last reported 2020
- Ajay North AmericaMaker · Georgia · last reported 2020
- IoditechMaker · Missouri · last reported 2020
- Iofina ChemicalMaker · Kentucky · last reported 2020
Your company? List it free and get bulk buyer requests.
Sold by
Chemical identity
- Formula
- IK
- Molar mass
- 166.00 g/mol
- CAS number
- 7681-11-0
- InChIKey
- NLKNQRATVPKPDG-UHFFFAOYSA-M
- Official record
- PubChem 4875
How we compare: each store's own price, turned into US dollars at European Central Bank rates of 2026-10-29, then divided by the pack size. Shipping and tax are not included.