Meldrum's acid
Also known as: 2,2-Dimethyl-1,3-dioxane-4,6-dione, Malonic acid cyclic isopropylidene ester, Isopropylidene malonate, Meldrum acid, Meldrum's acid, 1,3-Dioxane-4,6-dione, 2,2-dimethyl-, 2,2-Dimethyl-4,6-diketo-1,3-dioxane, Cycl-Isopropylidene Malonate, Isopropyl Malonate, Meldrumic acid
Meldrum's acid (CAS 2033-24-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8O4 and a molecular weight of 144.13 g/mol. Key properties include a melting point of 92-96 °C(lit.), a boiling point of 356.7±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 195.1±24.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2033-24-1
- Jingsj CID
- J-6402-8
- Molecular Formula
- C6H8O4
- Molecular Weight
- 144.13 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 92-96 °C(lit.) |
|---|---|
| Boiling Point | 356.7±35.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 195.1±24.4 °C |
| Exact Mass | 144.042252 |
| PSA | 52.60000 |
| LogP | -1.40 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.434 |
| Additional Property | 2.5 g/100 mL (20 ºC) |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Meldrum's acid?
The CAS number of Meldrum's acid is 2033-24-1.
What are the molecular formula and molecular weight of Meldrum's acid?
Meldrum's acid has molecular formula C6H8O4 and molecular weight 144.13 g/mol.
What are the upstream and downstream products of Meldrum's acid?
For Meldrum's acid, Upstream Products: Malonic acid, Isopropenyl acetate, 2-Chloro-2-nitropropane; Downstream Products: 1,3-DIPHENYLPYRAZOLE-4-PROPIONIC ACID, 3-(4-Chlorophenyl)-1-phenylpyrazole-4-propionic acid, Coumarin 343.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Meldrum's acid (CAS 2033-24-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6402-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.