(E,E)-2,4-Dodecadienal

(E,E)-2,4-十二碳二烯醛

Also known as: trans,trans-2,4-Dodecadienal, (2E,4E)-Dodeca-2,4-dienal, trans,trans-2,4-Dodecadien-1-al, 2,4-Dodecadienal, 2E,4E-Dodecadienal, MFCD00014678, EINECS 244-517-1

(E,E)-2,4-Dodecadienal (CAS 21662-16-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H20O and a molecular weight of 180.28700 g/mol. It is also known as trans,trans-2,4-Dodecadienal, (2E,4E)-Dodeca-2,4-dienal and trans,trans-2,4-Dodecadien-1-al. Key properties include a boiling point of 130°C 6mm, a density of 0.865 g/mL at 20 °C(lit.) and a flash point of 104°C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21662-16-8
Jingsj CID
J-38960-6
Molecular Formula
C12H20O
Chinese Name
(E,E)-2,4-十二碳二烯醛
Molecular Weight
180.28700 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point130°C 6mm
Density0.865 g/mL at 20 °C(lit.)
Flash Point104°C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of (E,E)-2,4-Dodecadienal?

The CAS number of (E,E)-2,4-Dodecadienal is 21662-16-8.

What are the molecular formula and molecular weight of (E,E)-2,4-Dodecadienal?

(E,E)-2,4-Dodecadienal has molecular formula C12H20O and molecular weight 180.28700 g/mol.

Is (E,E)-2,4-Dodecadienal hazardous?

(E,E)-2,4-Dodecadienal has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "(E,E)-2,4-Dodecadienal (CAS 21662-16-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38960-6 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.