Triethyl 2-phosphonobutyrate

2-膦酰丁酸三乙酯

Also known as: Butanoic acid, 2-(diethoxyphosphinyl)-, ethyl ester, Ethyl 2-(diethoxyphosphinyl)butanoate, Ethyl 2-(diethoxyphosphoryl)butanoate, Diethyl 1-(ethoxycarbonyl)propanephosphonate, 2-Phosphonobutyric acid triethyl ester, NSC 22423, MFCD00041347

CAS No.
17145-91-4
Jingsj CID
J-2971-9
Molecular Formula
C10H21O5P
Chinese Name
2-膦酰丁酸三乙酯
Molecular Weight
252.24500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point152-154ºC (14 torr)
Density1.064
Flash Point158.3ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Triethyl 2-phosphonobutyrate?

17145-91-4

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

C10H21O5P, molecular weight 252.24500 g/mol

Is Triethyl 2-phosphonobutyrate hazardous?

Warning

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