ethyl 2-(4-methoxyphenyl)-2-oxoacetate

2-(4-甲氧基苯基)-2-氧代乙酸乙酯

Also known as: ethyl 4-methoxybenzoylformate, ethyl (4-methoxyphenyl)(oxo)acetate, ethyl 2-(4-methoxyphenyl)-2-oxoacetat, (4-methoxyphenyl)glyoxylic acid ethyl ester, 4-methoxy-α-oxo-benzeneacetic acid ethyl ester, ethyl 4-methoxyphenylglyoxylate, Benzeneacetic acid, 4-methoxy-α-oxo-, ethyl ester, MFCD00963513

CAS No.: 40140-16-7
Jingsj CID: J-1508782-1
Molecular Formula: C₁₁H₁₂O₄
Chinese Name: 2-(4-甲氧基苯基)-2-氧代乙酸乙酯
Molecular Weight: 208.21100 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	317.6ºC at 760 mmHg
Density	1.147g/cm3
Flash Point	139.2ºC

Frequently Asked Questions

What is the CAS number of ethyl 2-(4-methoxyphenyl)-2-oxoacetate?

40140-16-7

What are the molecular formula and molecular weight of ethyl 2-(4-methoxyphenyl)-2-oxoacetate?

C11H12O4, molecular weight 208.21100 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026