Diethyl disulfide
Also known as: Ethyl disulfide, Diethyl disulphide, 1,1'-dithiodiethane, 1,1'-disulfanediyldiethane, Ethyldithioethane, Disulfide, diethyl
Diethyl disulfide (CAS 110-81-6) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C4H10S2 and a molecular weight of 122.252 g/mol. Key properties include a melting point of 95-98.5 °C(lit.), a boiling point of 154.0±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 40.0±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 110-81-6
- Jingsj CID
- J-32398-5
- Molecular Formula
- C4H10S2
- Molecular Weight
- 122.252 g/mol
- Category
- Ethers
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 95-98.5 °C(lit.) |
|---|---|
| Boiling Point | 154.0±0.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 40.0±0.0 °C |
| Exact Mass | 122.022392 |
| PSA | 50.60000 |
| LogP | 2.83 |
| Additional Property | 5.9 (vs air) |
| Vapor Pressure | 4.2±0.2 mmHg at 25°C |
| Refractive Index | 1.509 |
| Additional Property | H2O: passes test |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Diethyl disulfide?
The CAS number of Diethyl disulfide is 110-81-6.
What are the molecular formula and molecular weight of Diethyl disulfide?
Diethyl disulfide has molecular formula C4H10S2 and molecular weight 122.252 g/mol.
Is Diethyl disulfide hazardous?
Diethyl disulfide has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethyl disulfide (CAS 110-81-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32398-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.