Diethyl oxalacetate
Also known as: Diethyl 2-oxosuccinate, Diethyl 2-oxobutanedioate, Oxalacetic acid diethyl ester, Ethyl oxalacetate, Butanedioic acid, 2-oxo-, diethyl ester, Butanedioic acid, oxo-, diethyl ester, Diethyl (2Z)-2-hydroxy-2-butenedioate, 2-Butenedioic acid, 2-hydroxy-, diethyl ester, (2Z)-
Diethyl oxalacetate (CAS 108-56-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H12O5 and a molecular weight of 188.178 g/mol. Key properties include a melting point of 41ºC, a boiling point of 285.2±40.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 110.1±20.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 108-56-5
- Jingsj CID
- J-49263-7
- Molecular Formula
- C8H12O5
- Molecular Weight
- 188.178 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 41ºC |
|---|---|
| Boiling Point | 285.2±40.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 110.1±20.8 °C |
| Exact Mass | 188.068466 |
| PSA | 72.83000 |
| LogP | 0.66 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.469 |
| Storage Conditions | Freezer |
Customs & Trade Information
| HS Code | 2918300090 |
|---|---|
| Summary | 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Diethyl oxalacetate?
The CAS number of Diethyl oxalacetate is 108-56-5.
What are the molecular formula and molecular weight of Diethyl oxalacetate?
Diethyl oxalacetate has molecular formula C8H12O5 and molecular weight 188.178 g/mol.
What are the upstream and downstream products of Diethyl oxalacetate?
For Diethyl oxalacetate, Upstream Products: Ethyl acetate, Diethyl oxalate; Downstream Products: Ethyl 7-hydroxycoumarin-4-carboxylate, Diethyl 2,3-quinolinedicarboxylate, Diethyl 2-chloro-3-oxosuccinate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethyl oxalacetate (CAS 108-56-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49263-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.