3-(2-Naphthyl)prop-2-ynoic acid

3-(2-萘基)-2-丙炔酸

Also known as: 2-Propynoic acid, 3-(2-naphthalenyl)-, 3-(2-NAPHTHYL)PROP-2-YNOIC ACID, 3-(2-Naphthalenyl)-2-propynoic acid, 3-(2-Naphthyl)-2-propynoic acid, 3-(2-Naphthyl)prop-2-ynoic acid AldrichCPR, 3-(2-naphthyl)prop-2-ynoic acid(SALTDATA: FREE), 3-(naphthalen-2-yl)propiolic acid, 3-naphthalen-2-ylprop-2-ynoic acid, CHEMBRDG-BB 5217434

3-(2-Naphthyl)prop-2-ynoic acid (CAS 4843-43-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H8O2 and a molecular weight of 196.20100 g/mol. It is also known as 2-Propynoic acid, 3-(2-naphthalenyl)-, 3-(2-NAPHTHYL)PROP-2-YNOIC ACID and 3-(2-Naphthalenyl)-2-propynoic acid. Key properties include a boiling point of 411.7ºC at 760 mmHg, a density of 1.29g/cm3 and a flash point of 216.9ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4843-43-0
Jingsj CID
J-1500214-3
Molecular Formula
C13H8O2
Chinese Name
3-(2-萘基)-2-丙炔酸
Molecular Weight
196.20100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point411.7ºC at 760 mmHg
Density1.29g/cm3
Flash Point216.9ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

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

The CAS number of 3-(2-Naphthyl)prop-2-ynoic acid is 4843-43-0.

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

3-(2-Naphthyl)prop-2-ynoic acid has molecular formula C13H8O2 and molecular weight 196.20100 g/mol.

Is 3-(2-Naphthyl)prop-2-ynoic acid hazardous?

3-(2-Naphthyl)prop-2-ynoic 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. "3-(2-Naphthyl)prop-2-ynoic acid (CAS 4843-43-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500214-3 (accessed 2026-10-25).

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