Tantalum Pentoxide suppliers and prices

Formula: O₅Ta₂
CAS number: 1314-61-0
Molar mass: 441.89 g/mol

Found at 1 store we track

$3,590 per kilogram

Price per unit, converted to US dollars

At Strem Chemicals, United States

Pack: 100 grams for $359.00
Grade: Grade not stated · packs of 50 grams to 1 kilogram

View at Strem Chemicals

Smallest amount to spend

$91.00 for 25 grams

Total for one pack, in the store's own currency

At Strem Chemicals, United States

Works out at: $3.64 per gram
Grade: Grade not stated · packs of 10 to 50 grams

View at Strem Chemicals

2 offers from 1 store · Prices checked October 29, 2026 · Prices run from $3,590 to $3.64 per kilogram, because a bigger pack costs less per kilogram.

Only one store we read sells Tantalum Pentoxide so far. Sell it, or know a store that does? Tell us.

Show prices per

Every price we found

2 prices, cheapest first

Store	Grade and pack	Price	Link
Strem ChemicalsUnited StatesLowest price	Grade not stated · packs of 50 grams to 1 kilogram100 grams for $359.00	$3,590 per kilogram	View at store
Strem ChemicalsUnited States	Grade not stated · packs of 10 to 50 grams25 grams for $91.00	$3.64 per gram	View at store

Cite these pricesA ready sentence and reference for your report

For your report

As of October 29, 2026, the lowest store price for tantalum pentoxide was $3,590 per kilogram: 100 grams for $359.00 at Strem Chemicals.

Reference

APA, 7th edition

ChemicalSuppliers.com. (2026, October 29). Tantalum pentoxide suppliers and prices. Retrieved October 30, 2026, from https://www.chemicalsuppliers.com/tantalum-pentoxide/

ACS

Tantalum Pentoxide Suppliers and Prices. ChemicalSuppliers.com, October 29, 2026. https://www.chemicalsuppliers.com/tantalum-pentoxide/ (accessed 2026-10-30).

BibTeX

@misc{chemicalsuppliers-tantalum-pentoxide,
  author  = {{ChemicalSuppliers.com}},
  title   = {{Tantalum pentoxide} suppliers and prices},
  year    = {2026},
  date    = {2026-10-29},
  url     = {https://www.chemicalsuppliers.com/tantalum-pentoxide/},
  urldate = {2026-10-30},
  note    = {Prices checked October 29, 2026}
}

Prices change every day, so each line carries the date they were checked.

Making a solution?

Pick the strength and how much you need. We work out the grams of Tantalum Pentoxide and what they cost at the cheapest store we track.

Strength

Amount of solution

You need: 442 milligrams; of Tantalum Pentoxide, molar mass 441.89 g/mol
That much costs: $1.59; $15.86 per litre of solution, at the lowest price per gram we found
Cheapest way to buy it: $91.00; 1 pack of 25 grams at Strem Chemicals; View at Strem Chemicals

Weigh it out, dissolve it in less water than you need, then top up to the full amount.

Similar chemicals

Lithium TantalateLiO₃Ta · 1 store

Sold by

Strem Chemicals

Chemical identity

Formula: O₅Ta₂
Molar mass: 441.89 g/mol
CAS number: 1314-61-0
InChIKey: BPUBBGLMJRNUCC-UHFFFAOYSA-N
Official record: PubChem 62157

How we compare: each store's own price, turned into US dollars at European Central Bank rates of 2026-10-30, then divided by the pack size. Shipping and tax are not included.