(E)-Ethyl 4-oxobut-2-enoate
反式-4-氧基-2-丁烯酸乙酯
Also known as: Ethyl trans-4-oxo-2-butenoate, Ethyl (2E)-4-oxobut-2-enoate, Ethyl 3-formylacrylate, Ethyl fumaraldehydate, trans-4-Oxo-2-butenoic acid ethyl ester, Ethyl trans-4-oxy-2-butenoate, 4-oxobut-2-enoic acid ethyl ester, 4-oxocrotonic acid ethyl ester
- CAS No.
- 2960-66-9
- Jingsj CID
- J-34270-6
- Molecular Formula
- C6H8O3
- Chinese Name
- 反式-4-氧基-2-丁烯酸乙酯
- Molecular Weight
- 128.126 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | -9ºC |
|---|---|
| Boiling Point | 199.3±23.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 78.6±22.7 °C |
Frequently Asked Questions
What is the CAS number of (E)-Ethyl 4-oxobut-2-enoate?
2960-66-9
What are the molecular formula and molecular weight of (E)-Ethyl 4-oxobut-2-enoate?
C6H8O3, molecular weight 128.126 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026