Diselenium dichloride
Also known as: Selenium(I) chloride, Selenium monochloride, Selenium chloride (Se2Cl2), Selenium(I)chloride(-se), Seleniumchlorideredliq, SELENIUM (I) CHLORIDE (99%-SE)
Diselenium dichloride (CAS 21317-32-8) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula ClHSe and a molecular weight of 115.42100 g/mol. Key properties include a melting point of -85ºC, a boiling point of 130ºC and a density of 2.73 g/mL at 25ºC(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21317-32-8
- Jingsj CID
- J-1323729-7
- Molecular Formula
- ClHSe
- Molecular Weight
- 115.42100 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | -85ºC |
|---|---|
| Boiling Point | 130ºC |
| Density | 2.73 g/mL at 25ºC(lit.) |
| Exact Mass | 115.89300 |
| LogP | 0.42120 |
Frequently Asked Questions
What is the CAS number of Diselenium dichloride?
The CAS number of Diselenium dichloride is 21317-32-8.
What are the molecular formula and molecular weight of Diselenium dichloride?
Diselenium dichloride has molecular formula ClHSe and molecular weight 115.42100 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diselenium dichloride (CAS 21317-32-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1323729-7 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.