(E)-4-chloro-2-methyl-2-butenal
4-氯-2-甲基-2-丁烯醛
Also known as: 4-Chloro-2-methylcrotonaldehyde, (2E)-4-chloro-2-methylbut-2-enal, 2-Butenal, 4-chloro-2-methyl-, (E)-4-chloro-2-methyl-but-2-enal, Crotonaldehyde, 4-chloro-2-methyl-
(E)-4-chloro-2-methyl-2-butenal (CAS 3330-25-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H7ClO and a molecular weight of 118.56100 g/mol. It is also known as 4-Chloro-2-methylcrotonaldehyde, (2E)-4-chloro-2-methylbut-2-enal and 2-Butenal, 4-chloro-2-methyl-. Key properties include a boiling point of 194.6ºC at 760mmHg, a density of 1.047g/cm3 and a flash point of 73.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3330-25-4
- Jingsj CID
- J-972967-0
- Molecular Formula
- C5H7ClO
- Chinese Name
- 4-氯-2-甲基-2-丁烯醛
- Molecular Weight
- 118.56100 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 194.6ºC at 760mmHg |
|---|---|
| Density | 1.047g/cm3 |
| Flash Point | 73.5ºC |
Frequently Asked Questions
What is the CAS number of (E)-4-chloro-2-methyl-2-butenal?
The CAS number of (E)-4-chloro-2-methyl-2-butenal is 3330-25-4.
What are the molecular formula and molecular weight of (E)-4-chloro-2-methyl-2-butenal?
(E)-4-chloro-2-methyl-2-butenal has molecular formula C5H7ClO and molecular weight 118.56100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(E)-4-chloro-2-methyl-2-butenal (CAS 3330-25-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-972967-0 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.