Cheapest by weight
$45.90 per kilogram
Price per unit, converted to US dollars
At Science Company, United States
- Pack
- 500 grams for $22.95
- Grade
- Grade not stated · packs of 50 grams to 1 kilogram
Ferrous Sulfate suppliers and prices
- Formula
- FeO4S
- CAS number
- 7720-78-7
- Molar mass
- 151.91 g/mol
13 offers from 3 stores · Prices checked October 28, 2026 · Prices run from $45.90 to $579 per kilogram, because a bigger pack costs less per kilogram.
Show prices per
Every price we found
13 prices, cheapest first
| Store | Grade and pack | Price | Link |
|---|---|---|---|
| Science CompanyUnited States | Grade not stated · packs of 50 grams to 1 kilogram500 grams for $22.95 | $45.90 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · packs of 25 kilograms and up25 kilograms for $1,169.23 | $46.77 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · packs of 1 to 25 kilograms22.7 kilograms for $1,158.40 | $51.08 per kilogram | View at store |
| Lab AlleyUnited States | ACS grade · packs of 25 kilograms and up25 kilograms for $1,283.37 | $51.33 per kilogram | View at store |
| Lab AlleyUnited States | ACS grade · packs of 1 to 25 kilograms22.7 kilograms for $1,218.48 | $53.73 per kilogram | View at store |
| Lab DepotUnited States | USP grade · packs of 1 to 25 kilograms12 kilograms for $1,588.90 | $132 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · packs of 50 grams to 1 kilogram500 grams for $68.50 | $137 per kilogram | View at store |
| Lab DepotUnited States | Food grade · packs of 1 to 25 kilograms12 kilograms for $1,812.05 | $151 per kilogram | View at store |
| Lab DepotUnited States | ACS grade · packs of 1 to 25 kilograms12 kilograms for $2,054.23 | $171 per kilogram | View at store |
| Lab AlleyUnited States | ACS grade · packs of 50 grams to 1 kilogram500 grams for $109.35 | $219 per kilogram | View at store |
| Lab DepotUnited States | USP grade · packs of 50 grams to 1 kilogram500 grams for $183.30 | $367 per kilogram | View at store |
| Lab DepotUnited States | Food grade · packs of 50 grams to 1 kilogram500 grams for $224.53 | $449 per kilogram | View at store |
| Lab DepotUnited States | ACS grade · packs of 50 grams to 1 kilogram500 grams for $289.42 | $579 per kilogram | View at store |
Making a solution?
Pick the strength and how much you need. We work out the grams of Ferrous Sulfate and what they cost at the cheapest store we track.
- You need
- 152 grams
- of Ferrous Sulfate, molar mass 151.91 g/mol
- That much costs
- $6.97
- $6.97 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
14 companies make or distribute it, as reported to the US Environmental Protection Agency in 2020 and 2024.
- KronosDistributor · Texas
- Advanced Micronutrient ProductsMaker · Michigan
- Cameron ChemicalMaker · Virginia
- Haifa North AmericaMaker · Florida
- KemiraMaker · California, Florida, Georgia and 1 more
- VenatorMaker · Georgia, Illinois, Texas
- Cascade Columbia DistributionDistributor · Oregon · last reported 2020
- Valudor ProductsDistributor · California · last reported 2020
- Avantor Performance MaterialsMaker · New Jersey · last reported 2020
- EMD MilliporeMaker · Massachusetts · last reported 2020
- Everris NAMaker · Missouri · last reported 2020
- Jost ChemicalMaker · Missouri · last reported 2020
- ThatcherMaker · Florida · 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
- FeO4S
- Molar mass
- 151.91 g/mol
- CAS number
- 7720-78-7
- InChIKey
- BAUYGSIQEAFULO-UHFFFAOYSA-L
- Official record
- PubChem 24393
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.