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2-(4-Nonylphenoxy)acetic acid

2-(4-壬基苯氧基)乙酸

Also known as: 2-(4-NONYLPHENOXY)ACETIC ACID, NONYLPHENOXYACETIC ACID, NP1EC, Irgacor NPA

2-(4-Nonylphenoxy)acetic acid (CAS 28065-23-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H26O3 and a molecular weight of 278.38700 g/mol. It is also known as 2-(4-NONYLPHENOXY)ACETIC ACID, NONYLPHENOXYACETIC ACID and NP1EC. Key properties include a boiling point of 406.8ºC at 760mmHg, a density of 1.019g/cm3 and a flash point of 140.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
28065-23-8
Jingsj CID
J-1520404-6
Molecular Formula
C17H26O3
Chinese Name
2-(4-壬基苯氧基)乙酸
Molecular Weight
278.38700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point406.8ºC at 760mmHg
Density1.019g/cm3
Flash Point140.1ºC

Frequently Asked Questions

What is the CAS number of 2-(4-Nonylphenoxy)acetic acid?

The CAS number of 2-(4-Nonylphenoxy)acetic acid is 28065-23-8.

What are the molecular formula and molecular weight of 2-(4-Nonylphenoxy)acetic acid?

2-(4-Nonylphenoxy)acetic acid has molecular formula C17H26O3 and molecular weight 278.38700 g/mol.

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

Last updated:

How to cite: Jingsj. "2-(4-Nonylphenoxy)acetic acid (CAS 28065-23-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1520404-6 (accessed 2026-10-25).

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