Cheapest by weight
$3,509 per kilogram
Price per unit, converted to US dollars
At Lab Alley, United States
- Pack
- 100 grams for $350.89
- Grade
- Laboratory grade · packs of 50 grams to 1 kilogram
Sodium Arsenite suppliers and prices
- Formula
- AsNaO2
- CAS number
- 7784-46-5
- Molar mass
- 129.91 g/mol
Smallest amount to spend
$236.73 for 25 grams
Total for one pack, in the store's own currency
At Lab Alley, United States
- Works out at
- $9.47 per gram
- Grade
- Laboratory grade · packs of 10 to 50 grams
4 offers from 2 stores · Prices checked October 28, 2026 · Prices run from $3,509 to $14.29 per kilogram, because a bigger pack costs less per kilogram.
Show prices per
Every price we found
4 prices, cheapest first
| Store | Grade and pack | Price | Link |
|---|---|---|---|
| Lab AlleyUnited States | Laboratory grade · packs of 50 grams to 1 kilogram100 grams for $350.89 | $3,509 per kilogram | View at store |
| Lab DepotUnited States | Reagent grade · packs of 50 grams to 1 kilogram500 grams for $3,737.73 | $7,475 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · packs of 10 to 50 grams25 grams for $236.73 | $9.47 per gram | View at store |
| Lab DepotUnited States | Reagent grade · packs of 10 to 50 grams25 grams for $357.34 | $14.29 per gram | View at store |
Making a solution?
Pick the strength and how much you need. We work out the grams of Sodium Arsenite and what they cost at the cheapest store we track.
- You need
- 130 milligrams
- of Sodium Arsenite, molar mass 129.91 g/mol
- That much costs
- $0.46
- $4.56 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.
Chemical identity
- Formula
- AsNaO2
- Molar mass
- 129.91 g/mol
- CAS number
- 7784-46-5
- InChIKey
- PTLRDCMBXHILCL-UHFFFAOYSA-M
- Official record
- PubChem 443495
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.