2-Naphthylacetic acid

2-萘乙酸

Also known as: 2-Naphthaleneacetic acid, β-Naphthylacetic acid, β-Naphthaleneacetic acid, 2-NAA, Betoxan, Naphthalen-2-ylacetic acid, NSC 301

2-Naphthylacetic acid (CAS 581-96-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H10O2 and a molecular weight of 186.207 g/mol. It is also known as 2-Naphthaleneacetic acid, β-Naphthylacetic acid and β-Naphthaleneacetic acid. Key properties include a melting point of 141-143 °C(lit.), a boiling point of 373.2±11.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 270.1±14.4 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
581-96-4
Jingsj CID
J-28712-0
Molecular Formula
C12H10O2
Chinese Name
2-萘乙酸
Molecular Weight
186.207 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point141-143 °C(lit.)
Boiling Point373.2±11.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point270.1±14.4 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-Naphthylacetic acid?

The CAS number of 2-Naphthylacetic acid is 581-96-4.

What are the molecular formula and molecular weight of 2-Naphthylacetic acid?

2-Naphthylacetic acid has molecular formula C12H10O2 and molecular weight 186.207 g/mol.

Is 2-Naphthylacetic acid hazardous?

2-Naphthylacetic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2-Naphthylacetic acid (CAS 581-96-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28712-0 (accessed 2026-10-24).

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