Cheapest by volume
$6.28 per litre
Price per unit, converted to US dollars
At Lab Alley, United States
- Pack
- 208 litres for $1,307.30
- Grade
- Food grade · Solution 30% · packs of 25 litres and up
Phosphoric Acid suppliers and prices
- Formula
- H3O4P
- CAS number
- 7664-38-2
- Molar mass
- 98.00 g/mol
Smallest amount to spend
$22.95 for 454 grams
Total for one pack, in the store's own currency
At Science Company, United States
- Works out at
- $50.60 per kilogram
- Grade
- Grade not stated · packs of 50 grams to 1 kilogram
36 offers from 5 stores · Prices checked October 28, 2026 · Prices run from $6.28 to $42.15 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
38 prices, cheapest first
| Store | Grade and pack | Price | Link |
|---|---|---|---|
| Lab AlleyUnited States | Food grade · Solution 30% · packs of 25 litres and up208 litres for $1,307.30 | $6.28 per litre | View at store |
| Lab AlleyUnited States | Food grade · Solution 75% · packs of 25 litres and up1,022 litres for $7,074.82 | $6.92 per litre | View at store |
| Lab AlleyUnited States | Laboratory grade · Solution 85% · packs of 25 litres and up1,022 litres for $10,814.67 | $10.58 per litre | View at store |
| Lab AlleyUnited States | Laboratory grade · Solution 75% · packs of 25 litres and up1,022 litres for $10,814.67 | $10.58 per litre | View at store |
| Lab AlleyUnited States | Food grade · Solution 85% · packs of 25 litres and up1,022 litres for $10,841.13 | $10.61 per litre | View at store |
| Lab AlleyUnited States | Food grade · Solution 25% · packs of 25 litres and up208 litres for $2,246.74 | $10.79 per litre | View at store |
| Lab AlleyUnited States | Food grade · Solution 30% · packs of 1 to 25 litres18.9 litres for $235.18 | $12.43 per litre | View at store |
| Lab AlleyUnited States | Food grade · Solution 75% · packs of 1 to 25 litres18.9 litres for $307.93 | $16.27 per litre | View at store |
| Lab AlleyUnited States | Food grade · Solution 25% · packs of 1 to 25 litres18.9 litres for $344.98 | $18.23 per litre | View at store |
| Lab AlleyUnited States | Laboratory grade · Solution 75% · packs of 1 to 25 litres18.9 litres for $348.61 | $18.42 per litre | View at store |
| Lab AlleyUnited States | Laboratory grade · Solution 85% · packs of 1 to 25 litres18.9 litres for $372.11 | $19.66 per litre | View at store |
| Science CompanyUnited States | Grade not stated · Solution 85% · packs of 1 to 25 litres3.79 litres for $79.95 | $21.12 per litre | View at store |
| Lab AlleyUnited States | Food grade · Solution 85% · packs of 1 to 25 litres18.9 litres for $404.18 | $21.35 per litre | View at store |
| Lab AlleyUnited States | Grade not stated · Solution 10% · packs of 1 to 25 litres4 litres for $113.51 | $28.38 per litre | View at store |
| Lab AlleyUnited States | Reagent grade · Solution 35% · packs of 1 to 25 litres4 litres for $121.35 | $30.34 per litre | View at store |
| Lab AlleyUnited States | Analytical grade · Solution 35% · packs of 1 to 25 litres4 litres for $121.35 | $30.34 per litre | View at store |
| Science CompanyUnited States | Grade not stated · packs of 50 grams to 1 kilogram454 grams for $22.95 | $50.60 per kilogram | View at store |
| Lab AlleyUnited States | ACS grade · Solution 85% · packs of 25 litres and up208 litres for $11,030.06 | $52.98 per litre | View at store |
| Lab AlleyUnited States | ACS grade · Solution 85% · packs of 1 to 25 litres15.1 litres for $1,379.99 | $91.14 per litre | View at store |
| Lab AlleyUnited States | Reagent grade · Solution 35% · packs of 50 millilitres to 1 litre500 millilitres for $49.48 | $98.96 per litre | View at store |
| Lab AlleyUnited States | Analytical grade · Solution 35% · packs of 50 millilitres to 1 litre500 millilitres for $49.48 | $98.96 per litre | View at store |
| Lab DepotUnited States | USP grade · packs of 1 to 25 litres16 litres for $1,823.72 | $114 per litre | View at store |
| Lab AlleyUnited States | Food grade · Solution 30% · packs of 50 millilitres to 1 litre500 millilitres for $57.70 | $115 per litre | View at store |
| Lab AlleyUnited States | Food grade · Solution 75% · packs of 50 millilitres to 1 litre500 millilitres for $57.70 | $115 per litre | View at store |
| Lab DepotUnited States | ACS grade · packs of 1 to 25 litres10 litres for $1,192.30 | $119 per litre | View at store |
| Lab AlleyUnited States | Food grade · Solution 85% · packs of 50 millilitres to 1 litre500 millilitres for $61.09 | $122 per litre | View at store |
| Lab AlleyUnited States | Food grade · Solution 25% · packs of 50 millilitres to 1 litre500 millilitres for $61.09 | $122 per litre | View at store |
| Lab AlleyUnited States | Laboratory grade · Solution 85% · packs of 50 millilitres to 1 litre500 millilitres for $61.20 | $122 per litre | View at store |
| Lab AlleyUnited States | Laboratory grade · Solution 75% · packs of 50 millilitres to 1 litre500 millilitres for $61.20 | $122 per litre | View at store |
| Lab AlleyUnited States | Grade not stated · Solution 10% · packs of 50 millilitres to 1 litre500 millilitres for $61.20 | $122 per litre | View at store |
| Lab DepotUnited States | Food grade · Solution 85% · packs of 1 to 25 litres10 litres for $1,354.65 | $135 per litre | View at store |
| GFS ChemicalsUnited States | Grade not stated · Solution 99.999% · packs of 1 to 25 litres2 litres for $378.89 | $189 per litre | View at store |
| Lab AlleyUnited States | ACS grade · Solution 85% · packs of 50 millilitres to 1 litre500 millilitres for $98.73 | $197 per litre | View at store |
| GFS ChemicalsUnited States | Grade not stated · Solution 99.999% · packs of 50 millilitres to 1 litre500 millilitres for $145.87 | $292 per litre | View at store |
| Lab DepotUnited States | ACS grade · packs of 50 millilitres to 1 litre500 millilitres for $190.86 | $382 per litre | View at store |
| Lab DepotUnited States | Food grade · Solution 85% · packs of 50 millilitres to 1 litre500 millilitres for $219.40 | $439 per litre | View at store |
| Lab DepotUnited States | USP grade · packs of 50 millilitres to 1 litre500 millilitres for $222.30 | $445 per litre | View at store |
| Get Er BrewedUnited Kingdom | Grade not stated · Solution 75% · packs of 50 millilitres to 1 litre230 millilitres for 7.28 GBP | $42.15 per litre | View at store |
Making a solution?
Pick the strength and how much you need. We work out the grams of Phosphoric Acid and what they cost at the cheapest store we track.
- You need
- 98 grams
- of Phosphoric Acid, molar mass 98.00 g/mol
- That much costs
- $4.96
- $4.96 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
56 companies make or distribute it, as reported to the US Environmental Protection Agency in 2020 and 2024.
- Ambyth ChemicalDistributor · Washington
- BrenntagDistributor · California, Kentucky, Texas and 1 more
- Chemical Distribution NetworkDistributor · Illinois
- Colonial ChemicalDistributor · Georgia
- George S Coyne ChemicalDistributor · Pennsylvania
- Harcros ChemicalsDistributor · Colorado, Georgia, Missouri
- Helm U.SDistributor · Texas
- Industrial ChemicalsDistributor · Alabama
- KantoDistributor · Oregon
- Norman FoxDistributor · California
- Silver Fern ChemicalDistributor · Washington
- Special MaterialsDistributor · New York
- StarchemDistributor · Florida
- Wego Chemical & MineralDistributor · New York
- BASFMaker · New Jersey, Ohio
- ClariantMaker · North Carolina
- Cytec IndustriesMaker · New Jersey
- Deepwater ChemicalsMaker · Oklahoma
- EntegrisMaker · Massachusetts
- Haifa North AmericaMaker · Florida
- HeucotechMaker · Pennsylvania
- HoneywellMaker · New Jersey
- ICLMaker · Kansas, Missouri
- InnophosMaker · Illinois, Louisiana, Tennessee
- International Trade SolutionsMaker · North Dakota
- KMGMaker · Colorado
- Koch IndustriesMaker · Kansas
- MosaicMaker · Florida, Louisiana
- PCS NitrogenMaker · Florida, Louisiana, North Carolina
- PrayonMaker · Georgia
- Purtain ProductsMaker · Pennsylvania
- Quaker HoughtonMaker · Michigan, Pennsylvania
- SimplotMaker · Idaho, Wyoming
- ThatcherMaker · Arizona, California, Nevada and 2 more
- W R GraceMaker · Maryland
- BEI HawaiiDistributor · Hawaii · last reported 2020
- Budenheim USADistributor · Ohio · last reported 2020
- BWA Water Additives USDistributor · Georgia · last reported 2020
- Cascade Columbia DistributionDistributor · Oregon · last reported 2020
- GreenchemDistributor · Florida · last reported 2020
- KG InternationalDistributor · Florida · last reported 2020
- Linphos ChemicalDistributor · Georgia · last reported 2020
- M.A.GLOBAL ResourcesDistributor · North Carolina · last reported 2020
- OCIDistributor · Texas · last reported 2020
- RedoxDistributor · California · last reported 2020
- Shrieve ChemicalDistributor · Texas · last reported 2020
- Solvents & ChemicalsDistributor · Texas · last reported 2020
- TARRDistributor · Oregon · last reported 2020
- Tricon InternationalDistributor · Texas · last reported 2020
- Univar SolutionsDistributor · Washington · last reported 2020
- Valudor ProductsDistributor · California · last reported 2020
- ZaclonDistributor · Ohio · last reported 2020
- Ajay North AmericaMaker · Georgia · last reported 2020
- Asia Union Electronic ChemicalsMaker · Nevada · last reported 2020
- ChemtradeMaker · Kansas · last reported 2020
- Dow ChemicalMaker · Michigan · last reported 2020
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Used for
Chemical identity
- Formula
- H3O4P
- Molar mass
- 98.00 g/mol
- CAS number
- 7664-38-2
- InChIKey
- NBIIXXVUZAFLBC-UHFFFAOYSA-N
- Official record
- PubChem 1004
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.