2-(4-nonylphenoxy)acetic acid

(4-壬基苯氧基)乙酸

Also known as: (4-Nonylphenoxy)acetic acid, 4-Nonylphenoxyacetic acid, NP1EC, 2-(4-nonylphenoxy)ethanoic acid, 4-nonylphenolmonoethoxycarboxylate, Acetic acid, (4-nonylphenoxy)-, NONYLPHENOXYACETIC ACID, (p-Nonylphenoxy)acetic acid, (Nonylphenoxy)acetic acid

2-(4-nonylphenoxy)acetic acid (CAS 3115-49-9) 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 278.387 g/mol. It is also known as (4-Nonylphenoxy)acetic acid, 4-Nonylphenoxyacetic acid and NP1EC. Key properties include a melting point of 95-97ºC, a boiling point of 406.8±20.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 140.1±15.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3115-49-9
Jingsj CID
J-1411177-2
Molecular Formula
C17H26O3
Chinese Name
(4-壬基苯氧基)乙酸
Molecular Weight
278.387 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point95-97ºC
Boiling Point406.8±20.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point140.1±15.3 °C

Frequently Asked Questions

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

The CAS number of 2-(4-nonylphenoxy)acetic acid is 3115-49-9.

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 278.387 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 3115-49-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1411177-2 (accessed 2026-10-25).

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