Triethyl 2-phosphonopentanoate

2-膦酰戊酸三乙酯

Also known as: Pentanoic acid,2-(diethoxyphosphinyl)-, ethyl ester, Ethyl 2-(diethoxyphosphoryl)pentanoate, Ethyl 2-(diethoxyphosphinyl)pentanoate, 2-(Diethoxyphosphinyl)valeric acid ethyl ester, 2-(Diethylphosphono)valeric acid ethyl ester, alpha-Carbethoxybutylphosphonic acid diethyl ester, Diethyl 1-(ethoxycarbonyl)butylphosphonate, Triethyl 2-phosphonovalerate, NSC 92299

Triethyl 2-phosphonopentanoate (CAS 35051-49-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H23O5P and a molecular weight of 266.27100 g/mol. It is also known as Pentanoic acid,2-(diethoxyphosphinyl)-, ethyl ester, Ethyl 2-(diethoxyphosphoryl)pentanoate and Ethyl 2-(diethoxyphosphinyl)pentanoate. Key properties include a boiling point of 331.4ºC at 760mmHg, a density of 1.061g/cm3 and a flash point of 168ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
35051-49-1
Jingsj CID
J-815273-6
Molecular Formula
C11H23O5P
Chinese Name
2-膦酰戊酸三乙酯
Molecular Weight
266.27100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point331.4ºC at 760mmHg
Density1.061g/cm3
Flash Point168ºC

Frequently Asked Questions

What is the CAS number of Triethyl 2-phosphonopentanoate?

The CAS number of Triethyl 2-phosphonopentanoate is 35051-49-1.

What are the molecular formula and molecular weight of Triethyl 2-phosphonopentanoate?

Triethyl 2-phosphonopentanoate has molecular formula C11H23O5P and molecular weight 266.27100 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Triethyl 2-phosphonopentanoate (CAS 35051-49-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-815273-6 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.