Dimethylselenide
Also known as: Dimethyl selenide, Dimethyl selenium, Methyl selenide, (Methylselanyl)methane, Methane, selenobis-, Methylselanylmethane
Dimethylselenide (CAS 593-79-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C2H6Se and a molecular weight of 109.029 g/mol. Key properties include a boiling point of 49.8±9.0 °C at 760 mmHg, a density of 1.408 g/mL at 20 °C(lit.) and a flash point of -16.1±18.7 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H331 — Toxic if inhaled and H373 — May cause damage to organs through prolonged exposure. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 593-79-3
- Jingsj CID
- J-13871-6
- Molecular Formula
- C2H6Se
- Molecular Weight
- 109.029 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 49.8±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.408 g/mL at 20 °C(lit.) |
| Flash Point | -16.1±18.7 °C |
| Exact Mass | 109.963470 |
| LogP | 0.30 |
| Vapor Pressure | 307.5±0.1 mmHg at 25°C |
| Refractive Index | 1.49 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H331 — Toxic if inhaled
- H373 — May cause damage to organs through prolonged exposure
- H410 — Very toxic to aquatic life with long lasting effects
Frequently Asked Questions
What is the CAS number of Dimethylselenide?
The CAS number of Dimethylselenide is 593-79-3.
What are the molecular formula and molecular weight of Dimethylselenide?
Dimethylselenide has molecular formula C2H6Se and molecular weight 109.029 g/mol.
Is Dimethylselenide hazardous?
Dimethylselenide has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H331 — Toxic if inhaled; H373 — May cause damage to organs through prolonged exposure.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dimethylselenide (CAS 593-79-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13871-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.