Tris(2-butoxyethyl) phosphate

磷酸三(2-丁氧基乙基)酯

Also known as: TBEP, Tributoxyethyl phosphate, Tri(2-butoxyethyl) phosphate, KP-140, TBXP, Tris(butoxyethyl) phosphate, Phosphoric acid, tris(2-butoxyethyl) ester, 2-Butoxyethanol phosphate (3:1), Amgard TBEP, Phosflex T-BEP, Kronitex KP 140, Hostaphat TBEP

Tris(2-butoxyethyl) phosphate (CAS 78-51-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H39O7P and a molecular weight of 398.472 g/mol. It is also known as TBEP, Tributoxyethyl phosphate and Tri(2-butoxyethyl) phosphate. Key properties include a melting point of -70°C, a boiling point of 413.9±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 241.5±47.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
78-51-3
Jingsj CID
J-1991063-9
Molecular Formula
C18H39O7P
Chinese Name
磷酸三(2-丁氧基乙基)酯
Molecular Weight
398.472 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-70°C
Boiling Point413.9±0.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point241.5±47.7 °C

Frequently Asked Questions

What is the CAS number of Tris(2-butoxyethyl) phosphate?

The CAS number of Tris(2-butoxyethyl) phosphate is 78-51-3.

What are the molecular formula and molecular weight of Tris(2-butoxyethyl) phosphate?

Tris(2-butoxyethyl) phosphate has molecular formula C18H39O7P and molecular weight 398.472 g/mol.

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

Last updated:

How to cite: Jingsj. "Tris(2-butoxyethyl) phosphate (CAS 78-51-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991063-9 (accessed 2026-10-24).

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