Cobalt(II) selenide

硒化钴(II)

Also known as: COBALT SELENIDE, COBALT SELENIDE COSE, COBALT(II) SELENIDE, COBALT(II) SELENIDE 6MM PIECES, Cobalt(II) selenide, 99% trace metals basis, Cobalt(II)selenide(metalsbasis), EINECS 215-155-1, MFCD00016020, selanylidenecobalt, selenoxocobalt

Cobalt(II) selenide (CAS 1307-99-9) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula CoHSe and a molecular weight of 138.90100 g/mol. It is also known as COBALT SELENIDE, COBALT SELENIDE COSE and COBALT(II) SELENIDE. Key properties include a melting point of 1055°C and a density of 7.65 g/mL at 25 °C(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1307-99-9
Jingsj CID
J-40075-6
Molecular Formula
CoHSe
Chinese Name
硒化钴(II)
Molecular Weight
138.90100 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point1055°C
Density7.65 g/mL at 25 °C(lit.)

Frequently Asked Questions

What is the CAS number of Cobalt(II) selenide?

The CAS number of Cobalt(II) selenide is 1307-99-9.

What are the molecular formula and molecular weight of Cobalt(II) selenide?

Cobalt(II) selenide has molecular formula CoHSe and molecular weight 138.90100 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Cobalt(II) selenide (CAS 1307-99-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40075-6 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.