(2E)-3-(4-Chlorophenyl)prop-2-enal
4-氯肉桂醛
Also known as: 4-Chlorocinnamaldehyde, (E)-3-(4-Chlorophenyl)-2-propenal, (2E)-3-(4-Chlorophenyl)acrylaldehyde, trans-p-Chlorocinnamaldehyde, p-Chlorocinnamaldehyde, 4-Chloro-trans-cinnamaldehyde, 2-Propenal, 3-(4-chlorophenyl)-, (2E)-
(2E)-3-(4-Chlorophenyl)prop-2-enal (CAS 49678-02-6) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H7ClO and a molecular weight of 166.604 g/mol. It is also known as 4-Chlorocinnamaldehyde, (E)-3-(4-Chlorophenyl)-2-propenal and (2E)-3-(4-Chlorophenyl)acrylaldehyde. Key properties include a boiling point of 290.4±15.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 134.6±11.5 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 49678-02-6
- Jingsj CID
- J-1361304-8
- Molecular Formula
- C9H7ClO
- Chinese Name
- 4-氯肉桂醛
- Molecular Weight
- 166.604 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 290.4±15.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 134.6±11.5 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of (2E)-3-(4-Chlorophenyl)prop-2-enal?
The CAS number of (2E)-3-(4-Chlorophenyl)prop-2-enal is 49678-02-6.
What are the molecular formula and molecular weight of (2E)-3-(4-Chlorophenyl)prop-2-enal?
(2E)-3-(4-Chlorophenyl)prop-2-enal has molecular formula C9H7ClO and molecular weight 166.604 g/mol.
Is (2E)-3-(4-Chlorophenyl)prop-2-enal hazardous?
(2E)-3-(4-Chlorophenyl)prop-2-enal 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. "(2E)-3-(4-Chlorophenyl)prop-2-enal (CAS 49678-02-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1361304-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.