Diethyl fumarate
富马酸二乙酯
Also known as: Diethyl trans-butenedioate, Fumaric acid diethyl ester, Diethyl (2E)-2-butenedioate, Diethyl (2E)-but-2-enedioate, trans-2-Butenedioic acid diethyl ester, Ethyl fumarate
Diethyl fumarate (CAS 623-91-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H12O4 and a molecular weight of 172.178 g/mol. It is also known as Diethyl trans-butenedioate, Fumaric acid diethyl ester and Diethyl (2E)-2-butenedioate. Key properties include a melting point of 41641ºC, a boiling point of 214.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 93.3±0.0 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 623-91-6
- Jingsj CID
- J-22806-8
- Molecular Formula
- C8H12O4
- Chinese Name
- 富马酸二乙酯
- Molecular Weight
- 172.178 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 41641ºC |
|---|---|
| Boiling Point | 214.0±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 93.3±0.0 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Diethyl fumarate?
The CAS number of Diethyl fumarate is 623-91-6.
What are the molecular formula and molecular weight of Diethyl fumarate?
Diethyl fumarate has molecular formula C8H12O4 and molecular weight 172.178 g/mol.
Is Diethyl fumarate hazardous?
Diethyl fumarate 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. "Diethyl fumarate (CAS 623-91-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22806-8 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.