Cheapest by weight
$282 per kilogram
Price per unit, converted to US dollars
At Micron Metals, United States
- Pack
- 454 grams for $127.88
- Grade
- Grade not stated · packs of 50 grams to 1 kilogram
Cobalt Oxide suppliers and prices
- Formula
- Co3O4
- CAS number
- 11104-61-3
- Molar mass
- 240.80 g/mol
Smallest amount to spend
$118.97 for 100 grams
Total for one pack, in the store's own currency
At Lab Alley, United States
- Works out at
- $1,190 per kilogram
- Grade
- Laboratory grade · packs of 50 grams to 1 kilogram
2 offers from 2 stores · Prices checked October 28, 2026 · Prices run from $282 to $1,190 per kilogram, because a bigger pack costs less per kilogram.
Show prices per
Every price we found
2 prices, cheapest first
| Store | Grade and pack | Price | Link |
|---|---|---|---|
| Micron MetalsUnited States | Grade not stated · packs of 50 grams to 1 kilogram454 grams for $127.88 | $282 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · packs of 50 grams to 1 kilogram100 grams for $118.97 | $1,190 per kilogram | View at store |
Making a solution?
Pick the strength and how much you need. We work out the grams of Cobalt Oxide and what they cost at the cheapest store we track.
- You need
- 241 grams
- of Cobalt Oxide, molar mass 240.80 g/mol
- That much costs
- $67.89
- $67.89 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.
Sold by
Chemical identity
- Formula
- Co3O4
- Molar mass
- 240.80 g/mol
- CAS number
- 11104-61-3
- InChIKey
- UBEWDCMIDFGDOO-UHFFFAOYSA-N
- Official record
- PubChem 6432046
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.