(±)-2-(6-Methoxy-2-naphthyl)propionic acid

(±)-2-(6-甲氧基-2-萘基)丙酸

Also known as: 2-(6-Methoxynaphthalen-2-yl)propanoic acid, (±)-Naproxen, Racemic naproxen, DL-Naproxen, rac-Naproxen, 2-(6-Methoxy-2-naphthyl)propanoic acid, (±)-6-Methoxy-α-methyl-2-naphthaleneacetic acid, (RS)-Naproxen

(±)-2-(6-Methoxy-2-naphthyl)propionic acid (CAS 23981-80-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H14O3 and a molecular weight of 230.259 g/mol. It is also known as 2-(6-Methoxynaphthalen-2-yl)propanoic acid, (±)-Naproxen and Racemic naproxen. Key properties include a melting point of 157ºC, a boiling point of 403.9±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 154.5±15.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 23981-80-8
Jingsj CID: J-21642-5
Molecular Formula: C₁₄H₁₄O₃
Chinese Name: (±)-2-(6-甲氧基-2-萘基)丙酸
Molecular Weight: 230.259 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	157ºC
Boiling Point	403.9±20.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	154.5±15.3 °C

Frequently Asked Questions

What is the CAS number of (±)-2-(6-Methoxy-2-naphthyl)propionic acid?

The CAS number of (±)-2-(6-Methoxy-2-naphthyl)propionic acid is 23981-80-8.

What are the molecular formula and molecular weight of (±)-2-(6-Methoxy-2-naphthyl)propionic acid?

(±)-2-(6-Methoxy-2-naphthyl)propionic acid has molecular formula C14H14O3 and molecular weight 230.259 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(±)-2-(6-Methoxy-2-naphthyl)propionic acid (CAS 23981-80-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21642-5 (accessed 2026-10-22).

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