Cheapest by weight
$25.09 per kilogram
Price per unit, converted to US dollars
At Lab Alley, United States
- Pack
- 25 kilograms for $627.27
- Grade
- USP grade · packs of 25 kilograms and up
Disodium Phosphate Heptahydrate suppliers and prices
- Formula
- H15Na2O11P
- CAS number
- 7782-85-6
- Molar mass
- 268.07 g/mol
Smallest amount to spend
$50.47 for 500 grams
Total for one pack, in the store's own currency
At Lab Alley, United States
- Works out at
- $101 per kilogram
- Grade
- USP grade · packs of 50 grams to 1 kilogram
5 offers from 2 stores · Prices checked October 28, 2026 · Prices run from $25.09 to $450 per kilogram, because a bigger pack costs less per kilogram.
Show prices per
Every price we found
5 prices, cheapest first
| Store | Grade and pack | Price | Link |
|---|---|---|---|
| Lab AlleyUnited States | USP grade · packs of 25 kilograms and up25 kilograms for $627.27 | $25.09 per kilogram | View at store |
| Lab AlleyUnited States | USP grade · packs of 1 to 25 kilograms12 kilograms for $367.71 | $30.64 per kilogram | View at store |
| Lab AlleyUnited States | USP grade · packs of 50 grams to 1 kilogram500 grams for $50.47 | $101 per kilogram | View at store |
| Lab DepotUnited States | USP grade · packs of 1 to 25 kilograms12 kilograms for $1,325.40 | $110 per kilogram | View at store |
| Lab DepotUnited States | USP grade · packs of 50 grams to 1 kilogram500 grams for $224.82 | $450 per kilogram | View at store |
Making a solution?
Pick the strength and how much you need. We work out the grams of Disodium Phosphate Heptahydrate and what they cost at the cheapest store we track.
- You need
- 268 grams
- of Disodium Phosphate Heptahydrate, molar mass 268.07 g/mol
- That much costs
- $6.73
- $6.73 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
- H15Na2O11P
- Molar mass
- 268.07 g/mol
- CAS number
- 7782-85-6
- InChIKey
- PYLIXCKOHOHGKQ-UHFFFAOYSA-L
- Official record
- PubChem 6096963
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.