Cheapest by weight
$63.63 per kilogram
Price per unit, converted to US dollars
At Micron Metals, United States
- Pack
- 454 grams for $28.86
- Grade
- Grade not stated · packs of 50 grams to 1 kilogram
Silicon suppliers and prices
- Formula
- Si
- CAS number
- 7440-21-3
- Molar mass
- 28.09 g/mol
4 offers from 3 stores · Prices checked October 28, 2026 · Prices run from $63.63 to $332 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 |
|---|---|---|---|
| Micron MetalsUnited States | Grade not stated · packs of 50 grams to 1 kilogram454 grams for $28.86 | $63.63 per kilogram | View at store |
| Lab AlleyUnited States | Laboratory grade · packs of 50 grams to 1 kilogram500 grams for $72.10 | $144 per kilogram | View at store |
| Lab DepotUnited States | Grade not stated · packs of 1 to 25 kilograms2.5 kilograms for $474.10 | $190 per kilogram | View at store |
| Lab DepotUnited States | Grade not stated · packs of 50 grams to 1 kilogram500 grams for $166.06 | $332 per kilogram | View at store |
Making a solution?
Pick the strength and how much you need. We work out the grams of Silicon and what they cost at the cheapest store we track.
- You need
- 28.1 grams
- of Silicon, molar mass 28.09 g/mol
- That much costs
- $1.79
- $1.79 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.
Bulk suppliers in the US
12 companies make or distribute it, as reported to the US Environmental Protection Agency in 2020 and 2024.
- Basstech InternationalDistributor · New Jersey
- GlencoreDistributor · New York
- Toyota Tsusho AmericaDistributor · New York
- TrafiguraDistributor · Texas
- BASFMaker · New Jersey
- Dow ChemicalMaker · Michigan
- Hemlock SemiconductorMaker · Michigan
- Momentive Performance MaterialsMaker · New York, West Virginia
- REC Advanced Silicon MaterialsMaker · Montana
- VibrantzMaker · Tennessee
- CBC AmericaDistributor · North Carolina · last reported 2020
- REC Solar Grade SiliconMaker · Washington · last reported 2020
Your company? List it free and get bulk buyer requests.
Sold by
Chemical identity
- Formula
- Si
- Molar mass
- 28.09 g/mol
- CAS number
- 7440-21-3
- InChIKey
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N
- Official record
- PubChem 5461123
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.