Copper(I) selenide
硒化铜(I)
Also known as: COPPER SELENIDE, COPPER(I) SELENIDE, COPPER(I) SELENIDE, 99.95%, CUPROUS SELENIDE, CUPROUS SELENIDE, 99.999%, Copper(I)selenide,99.5%(metalsbasis), Cuprous selenide, Dicopper selenide, EINECS 243-796-7, MFCD00049908, copper,selenium, copperselenide(cu2se), dicopper selenide
Copper(I) selenide (CAS 20405-64-5) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Cu2Se and a molecular weight of 206.05200 g/mol. It is also known as COPPER SELENIDE, COPPER(I) SELENIDE and COPPER(I) SELENIDE, 99.95%. Key properties include a melting point of 1113ºC and a density of 6.84 g/mL at 25 °C(lit.). GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20405-64-5
- Jingsj CID
- J-3950-7
- Molecular Formula
- Cu2Se
- Chinese Name
- 硒化铜(I)
- Molecular Weight
- 206.05200 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 1113ºC |
|---|---|
| Density | 6.84 g/mL at 25 °C(lit.) |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Copper(I) selenide?
The CAS number of Copper(I) selenide is 20405-64-5.
What are the molecular formula and molecular weight of Copper(I) selenide?
Copper(I) selenide has molecular formula Cu2Se and molecular weight 206.05200 g/mol.
Is Copper(I) selenide hazardous?
Copper(I) selenide has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Copper(I) selenide (CAS 20405-64-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3950-7 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.