Cheapest by volume
$55.27 per litre
Price per unit, converted to US dollars
At Lab Alley, United States
- Pack
- 18.9 litres for $1,046.15
- Grade
- Laboratory grade · Solution · packs of 1 to 25 litres
Potassium Hydrogen Phthalate suppliers and prices
- Formula
- C8H5KO4
- CAS number
- 877-24-7
- Molar mass
- 204.22 g/mol
Smallest amount to spend
$80.11 for 500 millilitres
Total for one pack, in the store's own currency
At Lab Alley, United States
- Works out at
- $160 per litre
- Grade
- Laboratory grade · Solution · packs of 50 millilitres to 1 litre
8 offers from 2 stores · Prices checked October 28, 2026 · Prices run from $55.27 to $4.42 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
8 prices, cheapest first
| Store | Grade and pack | Price | Link |
|---|---|---|---|
| Lab AlleyUnited States | Laboratory grade · Solution · packs of 1 to 25 litres18.9 litres for $1,046.15 | $55.27 per litre | View at store |
| Lab AlleyUnited States | ACS grade · packs of 25 kilograms and up25 kilograms for $2,956.09 | $118 per kilogram | View at store |
| Lab AlleyUnited States | ACS grade · packs of 1 to 25 kilograms12 kilograms for $1,846.95 | $154 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · Solution · packs of 50 millilitres to 1 litre500 millilitres for $80.11 | $160 per litre | View at store |
| Lab AlleyUnited States | ACS grade · packs of 50 grams to 1 kilogram500 grams for $132.18 | $264 per kilogram | View at store |
| Lab DepotUnited States | ACS grade · packs of 1 to 25 kilograms10 kilograms for $3,066.51 | $307 per kilogram | View at store |
| Lab DepotUnited States | ACS grade · packs of 50 grams to 1 kilogram500 grams for $406.65 | $813 per kilogram | View at store |
| Lab DepotUnited States | ACS grade · packs of 10 to 50 grams25 grams for $110.44 | $4.42 per gram | View at store |
Making a solution?
Pick the strength and how much you need. We work out the grams of Potassium Hydrogen Phthalate and what they cost at the cheapest store we track.
- You need
- 204 grams
- of Potassium Hydrogen Phthalate, molar mass 204.22 g/mol
- That much costs
- $24.15
- $24.15 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.
Similar chemicals
Sold by
Chemical identity
- Formula
- C8H5KO4
- Molar mass
- 204.22 g/mol
- CAS number
- 877-24-7
- InChIKey
- IWZKICVEHNUQTL-UHFFFAOYSA-M
- Official record
- PubChem 23676735
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.