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Ethyl 4-chlorobenzoylformate

Also known as: ETHYL 4-CHLOROPHENYLGLYOXYLATE, Ethyl (4-chlorophenyl)(oxo)acetate, Ethyl 4-chlorobenzoylformate, ethyl 2-(4-chlorophenyl)-2-oxoacetate, Benzeneacetic acid, 4-chloro-α-oxo-, ethyl ester, MFCD01319615

Ethyl 4-chlorobenzoylformate (CAS 34966-48-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H9ClO3 and a molecular weight of 212.630 g/mol. Key properties include a boiling point of 305.1±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 129.1±22.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
34966-48-8
Jingsj CID
J-1032758-9
Molecular Formula
C10H9ClO3
Molecular Weight
212.630 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point305.1±25.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point129.1±22.2 °C
Exact Mass212.024017
PSA43.37000
LogP2.57
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.529

Frequently Asked Questions

What is the CAS number of Ethyl 4-chlorobenzoylformate?

The CAS number of Ethyl 4-chlorobenzoylformate is 34966-48-8.

What are the molecular formula and molecular weight of Ethyl 4-chlorobenzoylformate?

Ethyl 4-chlorobenzoylformate has molecular formula C10H9ClO3 and molecular weight 212.630 g/mol.

What are the upstream and downstream products of Ethyl 4-chlorobenzoylformate?

For Ethyl 4-chlorobenzoylformate, Upstream Products: 4-Bromochlorobenzene, Diethyl oxalate, Ethyl oxalyl monochloride; Downstream Products: Chlorobenzilate.

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 4-chlorobenzoylformate (CAS 34966-48-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1032758-9 (accessed 2026-11-09).

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