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Ethyl α-cyanocinnamate

Also known as: Ethyl 2-cyano-3-phenylacrylate, Ethyl (2E)-2-cyano-3-phenylprop-2-enoate, Ethyl benzylidenecyanoacetate, trans-Ethyl α-cyanocinnamate, α-Cyanocinnamic Acid Ethyl Ester, Ethyl (E)-α-cyanocinnamate, Ethyl 2-cyanocinnamate, Ethyl a-benzylidenecyanoacetate, 2-Propenoic acid, 2-cyano-3-phenyl-, ethyl ester, (2E)-

Ethyl α-cyanocinnamate (CAS 2025-40-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H11NO2 and a molecular weight of 201.221 g/mol. Key properties include a melting point of 51-53ºC(lit.), a boiling point of 324.1±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 156.4±11.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2025-40-3
Jingsj CID
J-1002371-9
Molecular Formula
C12H11NO2
Molecular Weight
201.221 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point51-53ºC(lit.)
Boiling Point324.1±0.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point156.4±11.3 °C
Exact Mass201.078979
PSA50.09000
LogP2.36
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.566

Customs & Trade Information

HS Code2926909090
SummaryHS:2926909090 other nitrile-function compounds 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 Ethyl α-cyanocinnamate?

The CAS number of Ethyl α-cyanocinnamate is 2025-40-3.

What are the molecular formula and molecular weight of Ethyl α-cyanocinnamate?

Ethyl α-cyanocinnamate has molecular formula C12H11NO2 and molecular weight 201.221 g/mol.

What are the upstream and downstream products of Ethyl α-cyanocinnamate?

For Ethyl α-cyanocinnamate, Upstream Products: Benzaldehyde, Ethyl cyanoacetate, Benzaldehyde dimethyl acetal; Downstream Products: 2-Phenylthiazolidine, 3-Phenylglutaric acid, 3-Phenylpropionaldehyde.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Ethyl α-cyanocinnamate (CAS 2025-40-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1002371-9 (accessed 2026-11-09).

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