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Ethyl 2-cyanoacetoacetate

Also known as: Ethyl 2-cyano-3-oxobutanoate, Ethyl α-cyanoacetoacetate, Ethyl 2-cyanoacetoacetate, MFCD00043487, 2-Cyan-acetessigsaeure-aethylester, Acetyl-malonsaeure-aethylester-nitril, BUTANOIC ACID, 2-CYANO-3-OXO ETHYL ESTER

Ethyl 2-cyanoacetoacetate (CAS 634-55-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C7H9NO3 and a molecular weight of 155.15100 g/mol. Key properties include a boiling point of 105ºC, a density of 1.12g/cm3 and a flash point of 91.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
634-55-9
Jingsj CID
J-31104-6
Molecular Formula
C7H9NO3
Molecular Weight
155.15100 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point105ºC
Density1.12g/cm3
Flash Point91.2ºC
Exact Mass155.05800
PSA67.16000
LogP0.27828
Refractive Index1.435

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 2-cyanoacetoacetate?

The CAS number of Ethyl 2-cyanoacetoacetate is 634-55-9.

What are the molecular formula and molecular weight of Ethyl 2-cyanoacetoacetate?

Ethyl 2-cyanoacetoacetate has molecular formula C7H9NO3 and molecular weight 155.15100 g/mol.

What are the upstream and downstream products of Ethyl 2-cyanoacetoacetate?

For Ethyl 2-cyanoacetoacetate, Upstream Products: Acetyl chloride, Ethyl cyanoacetate, Ethyl 5-methylisoxazole-4-carboxylate; Downstream Products: 5-amino-3-methyl-1,2-oxazole-4-carboxylic acid, 3-Cyano-7-hydroxy-4-methylcoumarin, 2,4-Dimethyl-6-oxo-1,6-dihydro-3-pyridinecarbonitrile.

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 2-cyanoacetoacetate (CAS 634-55-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31104-6 (accessed 2026-11-09).

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