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Diethyl 2-(1-ethoxyethylidene)malonate

Also known as: (1-Ethoxyethylidene)propanedioic acid diethyl ester, Diethyl (1-ethoxyethylidene)malonate, Malonic acid, (1-ethoxyethylidene)-, diethyl ester, Propanedioic acid, (1-ethoxyethylidene)-, diethyl ester, Propanedioic acid, 2-(1-ethoxyethylidene)-, 1,3-diethyl ester, 3-Ethoxy-2-ethoxycarbonyl-2-butenoic acid ethyl ester, Einecs 221-249-3, Nsc 233875

Diethyl 2-(1-ethoxyethylidene)malonate (CAS 3044-06-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H18O5 and a molecular weight of 230.25800 g/mol. Key properties include a boiling point of 280.9ºC at 760 mmHg, a density of 1.062g/cm3 and a flash point of 117.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3044-06-2
Jingsj CID
J-1083551-5
Molecular Formula
C11H18O5
Molecular Weight
230.25800 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point280.9ºC at 760 mmHg
Density1.062g/cm3
Flash Point117.3ºC
Exact Mass230.11500
PSA61.83000
LogP1.42310
Refractive Index1.448

Customs & Trade Information

HS Code2918990090
Summary2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Diethyl 2-(1-ethoxyethylidene)malonate?

The CAS number of Diethyl 2-(1-ethoxyethylidene)malonate is 3044-06-2.

What are the molecular formula and molecular weight of Diethyl 2-(1-ethoxyethylidene)malonate?

Diethyl 2-(1-ethoxyethylidene)malonate has molecular formula C11H18O5 and molecular weight 230.25800 g/mol.

What are the upstream and downstream products of Diethyl 2-(1-ethoxyethylidene)malonate?

For Diethyl 2-(1-ethoxyethylidene)malonate, Upstream Products: Triethyl orthoacetate, Diethyl malonate, Diethyl acetylmalonate; Downstream Products: Diethyl acetylmalonate.

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 2-(1-ethoxyethylidene)malonate (CAS 3044-06-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1083551-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.