4-Amino-1,8-naphthalic anhydride

4-氨基-1,8-萘二甲酸酐

Also known as: 4-Aminonaphthalic anhydride, 4-Aminonaphthalene-1,8-dicarboxylic anhydride, 6-Aminobenz[de]isochromene-1,3-dione, 1H,3H-Naphtho[1,8-cd]pyran-1,3-dione, 6-amino-, EINECS 229-372-4, MFCD00006921

4-Amino-1,8-naphthalic anhydride (CAS 6492-86-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H7NO3 and a molecular weight of 213.18900 g/mol. It is also known as 4-Aminonaphthalic anhydride, 4-Aminonaphthalene-1,8-dicarboxylic anhydride and 6-Aminobenz[de]isochromene-1,3-dione. Key properties include a melting point of 360 °C, a boiling point of 501.4ºC at 760 mmHg, a density of 1.105 g/mL at 25 °C(lit.) and a flash point of 310.8ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6492-86-0
Jingsj CID: J-4472-7
Molecular Formula: C₁₂H₇NO₃
Chinese Name: 4-氨基-1,8-萘二甲酸酐
Molecular Weight: 213.18900 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	360 °C
Boiling Point	501.4ºC at 760 mmHg
Density	1.105 g/mL at 25 °C(lit.)
Flash Point	310.8ºC

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4-Amino-1,8-naphthalic anhydride?

The CAS number of 4-Amino-1,8-naphthalic anhydride is 6492-86-0.

What are the molecular formula and molecular weight of 4-Amino-1,8-naphthalic anhydride?

4-Amino-1,8-naphthalic anhydride has molecular formula C12H7NO3 and molecular weight 213.18900 g/mol.

Is 4-Amino-1,8-naphthalic anhydride hazardous?

4-Amino-1,8-naphthalic anhydride has GHS signal word Danger.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Amino-1,8-naphthalic anhydride (CAS 6492-86-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4472-7 (accessed 2026-10-22).

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