Tris(methylseleno)methane

三(甲基硒)甲烷

Also known as: Methane, tris(methylseleno)-, Methane, tris(methylseleno), tris(methylselanyl)methane, trimethyl orthoselenoformate, triselenoorthoformic acid trimethyl ester, Triselenoorthoameisensaeure-trimethylester

Tris(methylseleno)methane (CAS 66622-20-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H10Se3 and a molecular weight of 295.00200 g/mol. It is also known as Methane, tris(methylseleno)-, Methane, tris(methylseleno) and tris(methylselanyl)methane. Key properties include a boiling point of 285.2ºC at 760 mmHg and a flash point of 126.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
66622-20-6
Jingsj CID
J-10103-5
Molecular Formula
C4H10Se3
Chinese Name
三(甲基硒)甲烷
Molecular Weight
295.00200 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point285.2ºC at 760 mmHg
Flash Point126.3ºC

Frequently Asked Questions

What is the CAS number of Tris(methylseleno)methane?

The CAS number of Tris(methylseleno)methane is 66622-20-6.

What are the molecular formula and molecular weight of Tris(methylseleno)methane?

Tris(methylseleno)methane has molecular formula C4H10Se3 and molecular weight 295.00200 g/mol.

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

Last updated:

How to cite: Jingsj. "Tris(methylseleno)methane (CAS 66622-20-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10103-5 (accessed 2026-10-23).

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