Tris(nonylphenyl) phosphite

三(壬基苯基)亚磷酸酯

Also known as: Phosphorous acid, tris(nonylphenyl) ester, Tris(4-nonylphenyl) phosphite, 4-Nonylphenol, phosphite (3:1), p-Nonylphenyl phosphite, Nonylphenyl phosphite (3:1), IRGAFOS TNPP, Antioxidant TNP, TNPP, Phenol, 4-nonyl-, phosphite (3:1), Tris(mono-p-nonylphenyl) phosphite

Tris(nonylphenyl) phosphite (CAS 3050-88-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C45H69O3P and a molecular weight of 689.001 g/mol. It is also known as Phosphorous acid, tris(nonylphenyl) ester, Tris(4-nonylphenyl) phosphite and 4-Nonylphenol, phosphite (3:1). Key properties include a boiling point of 692.0±54.0 °C at 760 mmHg, a density of 0.99 g/mL at 25ºC(lit.) and a flash point of 470.5±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3050-88-2
Jingsj CID
J-1334375-6
Molecular Formula
C45H69O3P
Chinese Name
三(壬基苯基)亚磷酸酯
Molecular Weight
689.001 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point692.0±54.0 °C at 760 mmHg
Density0.99 g/mL at 25ºC(lit.)
Flash Point470.5±31.5 °C

Frequently Asked Questions

What is the CAS number of Tris(nonylphenyl) phosphite?

The CAS number of Tris(nonylphenyl) phosphite is 3050-88-2.

What are the molecular formula and molecular weight of Tris(nonylphenyl) phosphite?

Tris(nonylphenyl) phosphite has molecular formula C45H69O3P and molecular weight 689.001 g/mol.

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

Last updated:

How to cite: Jingsj. "Tris(nonylphenyl) phosphite (CAS 3050-88-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1334375-6 (accessed 2026-10-25).

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