Diethyl methylenemalonate
Also known as: Diethyl 2-methylenemalonate, Diethyl ethylene-1,1-dicarboxylate, Methylenemalonic acid diethyl ester, Methylenepropanedioic acid diethyl ester, Propanedioic acid, 2-Methylene-, 1,3-diethyl ester, Propanedioic acid, 2-methylene-, diethyl ester, Propanedioic acid,2-Methylene-,1,3-diethyl este, Propanedioic acid,2-Methylene-,1,3-diethyl ester, diethyl 2-methylidenepropanedioate, diethyl methylidenemalonate, methylidenemalonic acid diethyl ester, 2-methylene-malonic acid diethyl ester
Diethyl methylenemalonate (CAS 3377-20-6) 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. Key properties include a boiling point of 174.4±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 73.0±18.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3377-20-6
- Jingsj CID
- J-1382202-1
- Molecular Formula
- C8H12O4
- Molecular Weight
- 172.178 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 174.4±13.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 73.0±18.2 °C |
| Exact Mass | 172.073563 |
| PSA | 52.60000 |
| LogP | 1.71 |
| Vapor Pressure | 1.2±0.3 mmHg at 25°C |
| Refractive Index | 1.433 |
Customs & Trade Information
| HS Code | 2917190090 |
|---|---|
| Summary | 2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Diethyl methylenemalonate?
The CAS number of Diethyl methylenemalonate is 3377-20-6.
What are the molecular formula and molecular weight of Diethyl methylenemalonate?
Diethyl methylenemalonate has molecular formula C8H12O4 and molecular weight 172.178 g/mol.
What are the upstream and downstream products of Diethyl methylenemalonate?
For Diethyl methylenemalonate, Upstream Products: Formaldehyde, Diethyl malonate, Diethyl ethoxymethylenemalonate; Downstream Products: Diethyl ketomalonate, Diethyl methylmalonate, Malonamide.
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 methylenemalonate (CAS 3377-20-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1382202-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.