Oxomalonic acid
Also known as: Ketomalonic acid, Mesoxalic acid, 2-oxopropanedioic acid, 2-ketomalonic acid, 2-oxomalonic acid, oxopropanedioic acid, dicarboxylic ketone, mesoxalate, alpha-ketomalonic acid
Oxomalonic acid (CAS 473-90-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H2O5 and a molecular weight of 118.04500 g/mol. Key properties include a boiling point of 405.2ºC at 760mmHg, a density of 1.832g/cm3 and a flash point of 213ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 473-90-5
- Jingsj CID
- J-1962519-3
- Molecular Formula
- C3H2O5
- Molecular Weight
- 118.04500 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 405.2ºC at 760mmHg |
|---|---|
| Density | 1.832g/cm3 |
| Flash Point | 213ºC |
| Exact Mass | 117.99000 |
| PSA | 91.67000 |
| Vapor Pressure | 1.06E-07mmHg at 25°C |
| Refractive Index | 1.504 |
Activity & Biological Data
| Additional Information | [1]. Jean A Bernatchez, et al. Derivatives of mesoxalic acid block translocation of HIV-1 reverse transcriptase. J Biol Chem. 2015 Jan 16;290(3):1474-84. [2]. W R Davis, et al. Inhibition of HIV-1 reverse transcriptase-catalyzed DNA strand transfer reactions by 4-chlorophenylhydrazone of mesoxalic acid. Biochemistry. 2000 Nov 21;39(46):14279-91. |
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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 Oxomalonic acid?
The CAS number of Oxomalonic acid is 473-90-5.
What are the molecular formula and molecular weight of Oxomalonic acid?
Oxomalonic acid has molecular formula C3H2O5 and molecular weight 118.04500 g/mol.
What are the upstream and downstream products of Oxomalonic acid?
For Oxomalonic acid, Upstream Products: Glycerol, tartronic acid, 1,3-Dihydroxyacetone; Downstream Products: tartronic acid, Glyoxylic acid, Carbon dioxide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Oxomalonic acid (CAS 473-90-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1962519-3 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.