Cheapest by weight
$20.74 per kilogram
Price per unit, converted to US dollars
At Lab Alley, United States
- Pack
- 25 kilograms for $518.59
- Grade
- ACS grade · packs of 25 kilograms and up
Potassium Sulfate suppliers and prices
- Formula
- K2O4S
- CAS number
- 7778-80-5
- Molar mass
- 174.26 g/mol
Smallest amount to spend
$81.72 for 500 grams
Total for one pack, in the store's own currency
At Lab Alley, United States
- Works out at
- $163 per kilogram
- Grade
- Laboratory grade · packs of 50 grams to 1 kilogram
12 offers from 2 stores · Prices checked October 28, 2026 · Prices run from $20.74 to $335 per kilogram, because a bigger pack costs less per kilogram.
Show prices per
Every price we found
12 prices, cheapest first
| Store | Grade and pack | Price | Link |
|---|---|---|---|
| Lab AlleyUnited States | ACS grade · packs of 25 kilograms and up25 kilograms for $518.59 | $20.74 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · packs of 25 kilograms and up25 kilograms for $615.19 | $24.61 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · packs of 1 to 25 kilograms22.7 kilograms for $565.14 | $24.92 per kilogram | View at store |
| Lab AlleyUnited States | ACS grade · packs of 1 to 25 kilograms12.5 kilograms for $412.57 | $33.01 per kilogram | View at store |
| Lab DepotUnited States | Grade not stated · packs of 1 to 25 kilograms12 kilograms for $985.06 | $82.09 per kilogram | View at store |
| Lab DepotUnited States | Food grade · packs of 1 to 25 kilograms12 kilograms for $1,513.74 | $126 per kilogram | View at store |
| Lab DepotUnited States | ACS grade · packs of 1 to 25 kilograms12 kilograms for $1,635.43 | $136 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · packs of 50 grams to 1 kilogram500 grams for $81.72 | $163 per kilogram | View at store |
| Lab AlleyUnited States | ACS grade · packs of 50 grams to 1 kilogram500 grams for $88.65 | $177 per kilogram | View at store |
| Lab DepotUnited States | Grade not stated · packs of 50 grams to 1 kilogram500 grams for $153.71 | $307 per kilogram | View at store |
| Lab DepotUnited States | Food grade · packs of 50 grams to 1 kilogram500 grams for $159.26 | $319 per kilogram | View at store |
| Lab DepotUnited States | ACS grade · packs of 50 grams to 1 kilogram500 grams for $167.49 | $335 per kilogram | View at store |
Making a solution?
Pick the strength and how much you need. We work out the grams of Potassium Sulfate and what they cost at the cheapest store we track.
- You need
- 174 grams
- of Potassium Sulfate, molar mass 174.26 g/mol
- That much costs
- $3.61
- $3.61 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
17 companies make or distribute it, as reported to the US Environmental Protection Agency in 2020 and 2024.
- Astro ChemicalsDistributor · Massachusetts
- BrenntagDistributor · Kentucky, Wisconsin
- HB ChemicalDistributor · Ohio
- Ueno Fine Chemicals IndustryDistributor · New York
- AndersonsMaker · Iowa
- BASFMaker · New Jersey
- Everris NAMaker · Missouri
- Haifa North AmericaMaker · Florida
- Haldor TopsoeMaker · Texas
- ICLMaker · Missouri
- JRS LathropMaker · California
- Prince MineralsMaker · Wisconsin
- SQM North AmericaMaker · Georgia
- TessenderloMaker · California, Kansas
- RedoxDistributor · California · last reported 2020
- Advanced Micronutrient ProductsMaker · Michigan · last reported 2020
- UPL NAMaker · North Carolina · last reported 2020
Your company? List it free and get bulk buyer requests.
Similar chemicals
Sold by
Chemical identity
- Formula
- K2O4S
- Molar mass
- 174.26 g/mol
- CAS number
- 7778-80-5
- InChIKey
- OTYBMLCTZGSZBG-UHFFFAOYSA-L
- Official record
- PubChem 24507
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.