Diethyl ketomalonate
Also known as: Diethyl oxomalonate, Diethyl 2-oxopropanedioate, Diethyl mesoxalate, Ethyl ketomalonate, Oxopropanedioic acid diethyl ester, Propanedioic acid, 2-oxo-, diethyl ester, Propanedioic acid, oxo-, diethyl ester
Diethyl ketomalonate (CAS 609-09-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H10O5 and a molecular weight of 174.15 g/mol. Key properties include a melting point of -70°C, a boiling point of 208-210 ºC, a density of 1.142 and a flash point of 113 ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 609-09-6
- Jingsj CID
- J-1971704-5
- Molecular Formula
- C7H10O5
- Molecular Weight
- 174.15 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -70°C |
|---|---|
| Boiling Point | 208-210 ºC |
| Density | 1.142 |
| Flash Point | 113 ºC |
| Exact Mass | 174.052826 |
| PSA | 69.67000 |
| LogP | 0.65 |
| Vapor Pressure | 0.2±0.4 mmHg at 25°C |
| Refractive Index | 1.415-1.419 |
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 ketomalonate?
The CAS number of Diethyl ketomalonate is 609-09-6.
What are the molecular formula and molecular weight of Diethyl ketomalonate?
Diethyl ketomalonate has molecular formula C7H10O5 and molecular weight 174.15 g/mol.
What are the upstream and downstream products of Diethyl ketomalonate?
For Diethyl ketomalonate, Upstream Products: Diethyl methylenemalonate, Diethyl malonate, Diethyl bromomalonate; Downstream Products: 5-Phenylisatin, ethyl 3-chloroquinoxaline-2-carboxylate, Benzo[e]isatin.
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 ketomalonate (CAS 609-09-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1971704-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.