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Diethyl 2-methyl-2-phenylmalonate

Also known as: Diethyl methyl(phenyl)malonate, Diethyl methylphenylmalonate, 2-Methyl-2-phenylmalonic acid diethyl ester, 2-Methyl-2-phenylpropanedioic acid diethyl ester, 2-Phenyl-2-methylmalonic acid diethyl ester, Methylphenylmalonic acid diethyl ester, Methyl-phenyl-malonsaeure-diaethylester, Propanedioic acid, 2-methyl-2-phenyl-, diethyl ester

Diethyl 2-methyl-2-phenylmalonate (CAS 34009-61-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H18O4 and a molecular weight of 250.290 g/mol. Key properties include a boiling point of 315.8±22.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 148.5±20.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
34009-61-5
Jingsj CID
J-1088595-7
Molecular Formula
C14H18O4
Molecular Weight
250.290 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point315.8±22.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point148.5±20.7 °C
Exact Mass250.120514
PSA52.60000
LogP3.06
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.494

Customs & Trade Information

HS Code2917399090
Summary2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Diethyl 2-methyl-2-phenylmalonate?

The CAS number of Diethyl 2-methyl-2-phenylmalonate is 34009-61-5.

What are the molecular formula and molecular weight of Diethyl 2-methyl-2-phenylmalonate?

Diethyl 2-methyl-2-phenylmalonate has molecular formula C14H18O4 and molecular weight 250.290 g/mol.

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-methyl-2-phenylmalonate (CAS 34009-61-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1088595-7 (accessed 2026-11-09).

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