ChemicalSuppliers

Selenium Dioxide suppliers and prices

Formula
O2Se
CAS number
7446-08-4
Molar mass
110.97 g/mol

Cheapest by weight

$330 per kilogram

Price per unit, converted to US dollars

At Micron Metals, United States

Pack
454 grams for $149.67
Grade
Grade not stated · packs of 50 grams to 1 kilogram
View at Micron Metals

3 offers from 2 stores · Prices checked October 28, 2026 · Prices run from $330 to $1,631 per kilogram, because a bigger pack costs less per kilogram.

Show prices per

Every price we found

3 prices, cheapest first

StoreGrade and packPriceLink
Micron MetalsUnited StatesLowest price Grade not stated · packs of 50 grams to 1 kilogram454 grams for $149.67 $330 per kilogram View at store
Lab DepotUnited States Grade not stated · packs of 1 to 25 kilograms2.5 kilograms for $3,161.41 $1,265 per kilogram View at store
Lab DepotUnited States Grade not stated · packs of 50 grams to 1 kilogram500 grams for $815.63 $1,631 per kilogram View at store

Making a solution?

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

You need
111 grams
of Selenium Dioxide, molar mass 110.97 g/mol
That much costs
$36.62
$36.62 per litre of solution, at the lowest price per gram we found
Cheapest way to buy it
$149.67
1 pack of 454 grams at Micron Metals
View at Micron Metals

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

Sold by

Chemical identity

Formula
O2Se
Molar mass
110.97 g/mol
CAS number
7446-08-4
InChIKey
JPJALAQPGMAKDF-UHFFFAOYSA-N
Official record
PubChem 24007

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.