Cheapest by weight
$200 per kilogram
Price per unit, converted to US dollars
At GFS Chemicals, United States
- Pack
- 2.5 kilograms for $500.57
- Grade
- ACS grade · packs of 1 to 25 kilograms
Cheapest by weight
$200 per kilogram
Price per unit, converted to US dollars
At GFS Chemicals, United States
Smallest amount to spend
$143.00 for 500 grams
Total for one pack, in the store's own currency
At Lab Alley, United States
3 offers from 2 stores · Prices checked October 28, 2026 · Prices run from $200 to $361 per kilogram, because a bigger pack costs less per kilogram.
3 prices, cheapest first
| Store | Grade and pack | Price | Link |
|---|---|---|---|
| GFS ChemicalsUnited States | ACS grade · packs of 1 to 25 kilograms2.5 kilograms for $500.57 | $200 per kilogram | View at store |
| Lab AlleyUnited States | Grade not stated · packs of 50 grams to 1 kilogram500 grams for $143.00 | $286 per kilogram | View at store |
| GFS ChemicalsUnited States | ACS grade · packs of 50 grams to 1 kilogram500 grams for $180.66 | $361 per kilogram | View at store |
Pick the strength and how much you need. We work out the grams of Antimony Potassium Tartrate and what they cost at the cheapest store we track.
Weigh it out, dissolve it in less water than you need, then top up to the full amount.
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.