![Molecular structure of 1,4-Diazabicyclo[2.2.2]octane (CAS 280-57-9)](/images/chem_structures_svg/337/280-57-9.svg)
1,4-Diazabicyclo[2.2.2]octane
Also known as: Triethylenediamine, DABCO, TEDA, 1,4-Ethylenepiperazine, Diazabicyclo[2.2.2]octane, 1,4-Diazabicyclooctane
1,4-Diazabicyclo[2.2.2]octane (CAS 280-57-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C6H12N2 and a molecular weight of 112.17 g/mol. Key properties include a melting point of 156-159 °C(lit.), a boiling point of 174.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 62.2±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 280-57-9
- Jingsj CID
- J-3035-3
- Molecular Formula
- C6H12N2
- Molecular Weight
- 112.17 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 156-159 °C(lit.) |
|---|---|
| Boiling Point | 174.0±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 62.2±0.0 °C |
| Exact Mass | 112.100044 |
| PSA | 6.48000 |
| LogP | -0.85 |
| Vapor Pressure | 1.2±0.3 mmHg at 25°C |
| Refractive Index | 1.561 |
| Additional Property | 46 g/100 mL (26 ºC) |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
- H412 — Harmful to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1,4-Diazabicyclo[2.2.2]octane?
The CAS number of 1,4-Diazabicyclo[2.2.2]octane is 280-57-9.
What are the molecular formula and molecular weight of 1,4-Diazabicyclo[2.2.2]octane?
1,4-Diazabicyclo[2.2.2]octane has molecular formula C6H12N2 and molecular weight 112.17 g/mol.
Is 1,4-Diazabicyclo[2.2.2]octane hazardous?
1,4-Diazabicyclo[2.2.2]octane has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 1,4-Diazabicyclo[2.2.2]octane?
For 1,4-Diazabicyclo[2.2.2]octane, Upstream Products: 1-(2-Aminoethyl)piperazine, Methanol, Ethanolamine; Downstream Products: Methyl cyanoformate, Benzoic anhydride, Diflubenzuron.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,4-Diazabicyclo[2.2.2]octane (CAS 280-57-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3035-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.