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Dimethyldiselenide

Also known as: Dimethyldiselane, Dimethyl Diselenide, Dimethyl perdiselenide, Dimethyl perselenide, Dimethyldiselenium, 1,2-Dimethyldiselane, Methyldiselanylmethane, (CH3Se)2, Diselenide, dimethyl, Diselane, 1,2-dimethyl-, Dimethyldiselenide, 99+%

Dimethyldiselenide (CAS 7101-31-7) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C2H6Se2 and a molecular weight of 187.989 g/mol. Key properties include a melting point of -82.2 °C, a boiling point of 158.9±23.0 °C at 760 mmHg, a density of 1.987 g/mL at 25 °C(lit.) and a flash point of 60.0±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7101-31-7
Jingsj CID
J-986096-8
Molecular Formula
C2H6Se2
Molecular Weight
187.989 g/mol
Category
Ethers
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-82.2 °C
Boiling Point158.9±23.0 °C at 760 mmHg
Density1.987 g/mL at 25 °C(lit.)
Flash Point60.0±0.0 °C
Exact Mass189.879990
LogP2.40
Vapor Pressure3.3±0.3 mmHg at 25°C
Refractive Indexn20/D 1.6388(lit.)
StabilityStable. Combustible. Incompatible with strong oxidizing agents, strong acids.

Frequently Asked Questions

What is the CAS number of Dimethyldiselenide?

The CAS number of Dimethyldiselenide is 7101-31-7.

What are the molecular formula and molecular weight of Dimethyldiselenide?

Dimethyldiselenide has molecular formula C2H6Se2 and molecular weight 187.989 g/mol.

What are the upstream and downstream products of Dimethyldiselenide?

For Dimethyldiselenide, Upstream Products: iodomethane, Dimethyl sulfate, Methyl bromide; Downstream Products: 4-Methylbenzyl alcohol, 4-Chlorobenzyl alcohol, 4-Methoxybenzyl alcohol.

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

Last updated:

How to cite: Jingsj. "Dimethyldiselenide (CAS 7101-31-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-986096-8 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.