Ethyl 4-(diethoxyphosphoryl)-3-methylbut-2-enoate

3-甲基-4-膦酰丁烯酸三乙酯

Also known as: Triethyl 3-methyl-4-phosphono-2-butenoate, Triethyl 3-methyl-4-phosphonocrotonate, 2-Butenoic acid, 4-(diethoxyphosphinyl)-3-methyl-, ethyl ester, (2E)-2-Butenoic acid, 4-(diethoxyphosphinyl)-3-methyl-, ethyl ester, Ethyl (2E)-4-(diethoxyphosphoryl)-3-methyl-2-butenoate, Ethyl (E)-4-diethoxyphosphoryl-3-methylbut-2-enoate, MFCD00075151, Triethyl 4-phosphonosenecioate

Ethyl 4-(diethoxyphosphoryl)-3-methylbut-2-enoate (CAS 41891-54-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H21O5P and a molecular weight of 264.255 g/mol. It is also known as Triethyl 3-methyl-4-phosphono-2-butenoate, Triethyl 3-methyl-4-phosphonocrotonate and 2-Butenoic acid, 4-(diethoxyphosphinyl)-3-methyl-, ethyl ester. Key properties include a boiling point of 345.3±35.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 176.4±46.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

41891-54-7

Jingsj CID

J-16283-0

Molecular Formula

C₁₁H₂₁O₅P

Chinese Name

3-甲基-4-膦酰丁烯酸三乙酯

Molecular Weight

264.255 g/mol

Category

Organic Acids

Last updated

8/21/2026