Trimorpholinophosphine oxide

三(4-吗啉基)氧化膦

Also known as: TMPO, Phosphoric acid trimorpholide, 4,4',4''-Phosphoryltrimorpholine, Tris(4-morpholino)phosphine oxide, Tri(4-morpholino)phosphine oxide, 4-dimorpholin-4-ylphosphorylmorpholine, Phosphoric trimorpholide, Morpholine, 4-(di-4-morpholinylphosphinyl)-, Morpholine, 4-[di(4-morpholinyl)phosphinyl]-, Tris(morpholin-4-yl)phosphine oxide

Trimorpholinophosphine oxide (CAS 4441-12-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H24N3O4P and a molecular weight of 305.310 g/mol. It is also known as TMPO, Phosphoric acid trimorpholide and 4,4',4''-Phosphoryltrimorpholine. Key properties include a melting point of 188-190°C, a boiling point of 476.4±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 241.9±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4441-12-7
Jingsj CID
J-22725-8
Molecular Formula
C12H24N3O4P
Chinese Name
三(4-吗啉基)氧化膦
Molecular Weight
305.310 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point188-190°C
Boiling Point476.4±45.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point241.9±28.7 °C

Frequently Asked Questions

What is the CAS number of Trimorpholinophosphine oxide?

The CAS number of Trimorpholinophosphine oxide is 4441-12-7.

What are the molecular formula and molecular weight of Trimorpholinophosphine oxide?

Trimorpholinophosphine oxide has molecular formula C12H24N3O4P and molecular weight 305.310 g/mol.

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

Last updated:

How to cite: Jingsj. "Trimorpholinophosphine oxide (CAS 4441-12-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22725-8 (accessed 2026-10-24).

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