Osmium suppliers and prices

Formula: Os
CAS number: 7440-04-2
Molar mass: 190.20 g/mol

Found at 1 store we track

$142 per gram

Price per unit, converted to US dollars

At Strem Chemicals, United States

Pack: 5 grams for $708.00
Grade: Grade not stated · packs of 2 to 10 grams

View at Strem Chemicals

Smallest amount to spend

$179.00 for 1 gram

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

At Strem Chemicals, United States

Works out at: $179 per gram
Grade: Grade not stated · packs of 0.5 to 2 grams

View at Strem Chemicals

2 offers from 1 store · Prices checked October 29, 2026 · Prices run from $142 to $179 per gram, because a bigger pack costs less per gram.

Only one store we read sells Osmium 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 2 to 10 grams5 grams for $708.00	$142 per gram	View at store
Strem ChemicalsUnited States	Grade not stated · packs of 0.5 to 2 grams1 gram for $179.00	$179 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 osmium was $142 per gram: 5 grams for $708.00 at Strem Chemicals.

Reference

APA, 7th edition

ChemicalSuppliers.com. (2026, October 29). Osmium suppliers and prices. Retrieved October 30, 2026, from https://www.chemicalsuppliers.com/osmium/

ACS

Osmium Suppliers and Prices. ChemicalSuppliers.com, October 29, 2026. https://www.chemicalsuppliers.com/osmium/ (accessed 2026-10-30).

BibTeX

@misc{chemicalsuppliers-osmium,
  author  = {{ChemicalSuppliers.com}},
  title   = {{Osmium} suppliers and prices},
  year    = {2026},
  date    = {2026-10-29},
  url     = {https://www.chemicalsuppliers.com/osmium/},
  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 Osmium and what they cost at the cheapest store we track.

Strength

Amount of solution

You need: 190 milligrams; of Osmium, molar mass 190.20 g/mol
That much costs: $26.93; $269.32 per litre of solution, at the lowest price per gram we found
Cheapest way to buy it: $179.00; 1 pack of 1 gram 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.

Sold by

Strem Chemicals

Chemical identity

Formula: Os
Molar mass: 190.20 g/mol
CAS number: 7440-04-2
InChIKey: SYQBFIAQOQZEGI-UHFFFAOYSA-N
Official record: PubChem 23937

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.