Cheapest by volume
$6.31 per litre
Price per unit, converted to US dollars
At Lab Alley, United States
- Pack
- 208 litres for $1,312.99
- Grade
- Reagent grade · Solution 2.5% · packs of 25 litres and up
Potassium Chloride suppliers and prices
- Formula
- ClK
- CAS number
- 7447-40-7
- Molar mass
- 74.55 g/mol
Smallest amount to spend
2.95 GBP for 100 grams
Total for one pack, in the store's own currency
At Get Er Brewed, United Kingdom
- Works out at
- $39.28 per kilogram
- Grade
- Grade not stated · packs of 50 grams to 1 kilogram
25 offers from 5 stores · Prices checked October 28, 2026 · Prices run from $6.31 to $305 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
28 prices, cheapest first
| Store | Grade and pack | Price | Link |
|---|---|---|---|
| Lab AlleyUnited States | Reagent grade · Solution 2.5% · packs of 25 litres and up208 litres for $1,312.99 | $6.31 per litre | View at store |
| Lab AlleyUnited States | Reagent grade · Solution · packs of 25 litres and up208 litres for $1,602.72 | $7.70 per litre | View at store |
| Lab AlleyUnited States | Reagent grade · Solution 2.5% · packs of 1 to 25 litres20 litres for $233.96 | $11.70 per litre | View at store |
| Lab AlleyUnited States | Reagent grade · Solution · packs of 1 to 25 litres20 litres for $324.22 | $16.21 per litre | View at store |
| Lab AlleyUnited States | USP grade · packs of 25 kilograms and up25 kilograms for $412.17 | $16.49 per kilogram | View at store |
| Lab AlleyUnited States | Food grade · packs of 25 kilograms and up25 kilograms for $412.17 | $16.49 per kilogram | View at store |
| Lab AlleyUnited States | USP grade · packs of 1 to 25 kilograms22.7 kilograms for $376.90 | $16.62 per kilogram | View at store |
| Lab AlleyUnited States | Food grade · packs of 1 to 25 kilograms22.7 kilograms for $376.90 | $16.62 per kilogram | View at store |
| Lab AlleyUnited States | ACS grade · packs of 25 kilograms and up25 kilograms for $477.32 | $19.09 per kilogram | View at store |
| Lab AlleyUnited States | ACS grade · packs of 1 to 25 kilograms12.5 kilograms for $381.90 | $30.55 per kilogram | View at store |
| Get Er BrewedUnited Kingdom | Grade not stated · packs of 50 grams to 1 kilogram100 grams for 2.95 GBP | $39.28 per kilogram | View at store |
| Science CompanyUnited States | Grade not stated · packs of 50 grams to 1 kilogram500 grams for $19.95 | $39.90 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · packs of 25 kilograms and up25 kilograms for $1,397.54 | $55.90 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · packs of 1 to 25 kilograms22.7 kilograms for $1,327.85 | $58.55 per kilogram | View at store |
| Lab DepotUnited States | USP grade · packs of 1 to 25 kilograms12 kilograms for $783.90 | $65.33 per kilogram | View at store |
| Lab DepotUnited States | Food grade · packs of 1 to 25 kilograms12 kilograms for $845.60 | $70.47 per kilogram | View at store |
| Lab DepotUnited States | ACS grade · packs of 1 to 25 kilograms12 kilograms for $1,101.19 | $91.77 per kilogram | View at store |
| Lab AlleyUnited States | Reagent grade · Solution 2.5% · packs of 50 millilitres to 1 litre500 millilitres for $50.00 | $100 per litre | View at store |
| GFS ChemicalsUnited States | Grade not stated · Solution · packs of 50 millilitres to 1 litre500 millilitres for $56.50 | $113 per litre | View at store |
| Lab AlleyUnited States | Reagent grade · Solution · packs of 50 millilitres to 1 litre500 millilitres for $57.27 | $115 per litre | View at store |
| Lab AlleyUnited States | Laboratory grade · packs of 50 grams to 1 kilogram500 grams for $69.70 | $139 per kilogram | View at store |
| Lab AlleyUnited States | USP grade · packs of 50 grams to 1 kilogram500 grams for $69.77 | $140 per kilogram | View at store |
| Lab AlleyUnited States | Food grade · packs of 50 grams to 1 kilogram500 grams for $69.77 | $140 per kilogram | View at store |
| Lab AlleyUnited States | ACS grade · packs of 50 grams to 1 kilogram500 grams for $87.59 | $175 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · Solution · packs of 50 millilitres to 1 litre250 millilitres for $49.48 | $198 per litre | View at store |
| Lab DepotUnited States | ACS grade · packs of 50 grams to 1 kilogram500 grams for $148.25 | $296 per kilogram | View at store |
| Lab DepotUnited States | USP grade · packs of 50 grams to 1 kilogram500 grams for $149.15 | $298 per kilogram | View at store |
| Lab DepotUnited States | Food grade · packs of 50 grams to 1 kilogram500 grams for $152.71 | $305 per kilogram | View at store |
Making a solution?
Pick the strength and how much you need. We work out the grams of Potassium Chloride and what they cost at the cheapest store we track.
- You need
- 74.5 grams
- of Potassium Chloride, molar mass 74.55 g/mol
- That much costs
- $1.23
- $1.23 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
12 companies make or distribute it, as reported to the US Environmental Protection Agency in 2020 and 2024.
- Spectrum Laboratory ProductsDistributor · New Jersey
- Avantor Performance MaterialsMaker · Kentucky
- Dow AgrosciencesMaker · California
- Everris NAMaker · Missouri
- HydriteMaker · Wisconsin
- ICLMaker · Missouri
- JRS LathropMaker · California
- Prince MineralsMaker · Wisconsin
- BrenntagDistributor · Kentucky, Texas · last reported 2020
- Univar SolutionsDistributor · Washington · last reported 2020
- ChemtradeMaker · Texas · last reported 2020
- EMD MilliporeMaker · Ohio · last reported 2020
Your company? List it free and get bulk buyer requests.
Chemical identity
- Formula
- ClK
- Molar mass
- 74.55 g/mol
- CAS number
- 7447-40-7
- InChIKey
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M
- Official record
- PubChem 4873
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.