8-Formyl-1-naphthoic acid

1,8-萘酚醛酸

Also known as: 1,8-Naphthalaldehydic acid, Naphthaldehydic acid, 8-formyl-1-naphthalenecarboxylic acid, 1-Naphthalenecarboxylic acid, 8-formyl-, NSC 100959, peri-Naphthalaldehydic acid, 8-formylnaphthalene-1-carboxylic acid

8-Formyl-1-naphthoic acid (CAS 5811-87-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H8O3 and a molecular weight of 200.190 g/mol. It is also known as 1,8-Naphthalaldehydic acid, Naphthaldehydic acid and 8-formyl-1-naphthalenecarboxylic acid. Key properties include a melting point of 160-167ºC, a boiling point of 441.2±18.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 234.8±17.7 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5811-87-0
Jingsj CID
J-1992795-2
Molecular Formula
C12H8O3
Chinese Name
1,8-萘酚醛酸
Molecular Weight
200.190 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point160-167ºC
Boiling Point441.2±18.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point234.8±17.7 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 8-Formyl-1-naphthoic acid?

The CAS number of 8-Formyl-1-naphthoic acid is 5811-87-0.

What are the molecular formula and molecular weight of 8-Formyl-1-naphthoic acid?

8-Formyl-1-naphthoic acid has molecular formula C12H8O3 and molecular weight 200.190 g/mol.

Is 8-Formyl-1-naphthoic acid hazardous?

8-Formyl-1-naphthoic 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. "8-Formyl-1-naphthoic acid (CAS 5811-87-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992795-2 (accessed 2026-10-24).

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