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3-(2-Naphthyl)propanoic acid

Also known as: 2-Naphthalenepropanoic acid, 3-(beta-Naphthyl)propionic acid, 3-naphthalen-2-ylpropanoic acid, 3-(naphthalen-2-yl)propanoic acid, 3-Naphthalen-2-yl-propionic acid, beta-Naphthylpropionic acid

3-(2-Naphthyl)propanoic acid (CAS 21658-35-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H12O2 and a molecular weight of 200.233 g/mol. Key properties include a boiling point of 382.3±11.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 279.2±14.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21658-35-5
Jingsj CID
J-1518675-1
Molecular Formula
C13H12O2
Molecular Weight
200.233 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point382.3±11.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point279.2±14.4 °C
Exact Mass200.083725
PSA37.30000
LogP3.07
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.633

Customs & Trade Information

HS Code2916399090
Summary2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-(2-Naphthyl)propanoic acid?

The CAS number of 3-(2-Naphthyl)propanoic acid is 21658-35-5.

What are the molecular formula and molecular weight of 3-(2-Naphthyl)propanoic acid?

3-(2-Naphthyl)propanoic acid has molecular formula C13H12O2 and molecular weight 200.233 g/mol.

What are the upstream and downstream products of 3-(2-Naphthyl)propanoic acid?

For 3-(2-Naphthyl)propanoic acid, Upstream Products: 2-Naphthylacrylic acid, Malonic acid, 2-Naphthaldehyde; Downstream Products: 3-(Naphthalen-2-yl)propan-1-ol, 2,3-Dihydro-1H-benz[e]inden-1-one.

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

Last updated:

How to cite: Jingsj. "3-(2-Naphthyl)propanoic acid (CAS 21658-35-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518675-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.