Diethyl selenide
二乙基硒
Also known as: Diethyl selenium, Ethyl selenide, Diethyl monoselenide, Selenobisethane, 1-(Ethylselanyl)ethane, TL 264, (C2H5)2Se, Diethylselenium
Diethyl selenide (CAS 627-53-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H10Se and a molecular weight of 137.08200 g/mol. It is also known as Diethyl selenium, Ethyl selenide and Diethyl monoselenide. Key properties include a boiling point of 108ºC(lit.), a density of 1.232 g/mL at 25ºC(lit.) and a flash point of 72 °F. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H301 — Toxic if swallowed and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 627-53-2
- Jingsj CID
- J-1316573-6
- Molecular Formula
- C4H10Se
- Chinese Name
- 二乙基硒
- Molecular Weight
- 137.08200 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 108ºC(lit.) |
|---|---|
| Density | 1.232 g/mL at 25ºC(lit.) |
| Flash Point | 72 °F |
| Exact Mass | 137.99500 |
| LogP | 1.56700 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- 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
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Diethyl selenide?
The CAS number of Diethyl selenide is 627-53-2.
What are the molecular formula and molecular weight of Diethyl selenide?
Diethyl selenide has molecular formula C4H10Se and molecular weight 137.08200 g/mol.
Is Diethyl selenide hazardous?
Diethyl selenide has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H301 — Toxic if swallowed; H331 — Toxic if inhaled.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethyl selenide (CAS 627-53-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1316573-6 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.