4-amino-3-sulfo-1,8-naphthalic anhydride

4-氨基-3-磺基-1,8-萘酸酐

Also known as: 6-amino-1,3-dioxo-1h,3h-benzo[de]isochromene-5-sulfonic acid, 1H,3H-Naphtho[1,8-cd]pyran-5-sulfonic acid, 6-amino-1,3-dioxo-, Naphthalic anhydride, 4-amino-3-sulfo-

4-amino-3-sulfo-1,8-naphthalic anhydride (CAS 6357-99-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H7NO6S and a molecular weight of 293.25200 g/mol. It is also known as 6-amino-1,3-dioxo-1h,3h-benzo[de]isochromene-5-sulfonic acid, 1H,3H-Naphtho[1,8-cd]pyran-5-sulfonic acid, 6-amino-1,3-dioxo- and Naphthalic anhydride, 4-amino-3-sulfo-. Key property: a density of 1.813g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6357-99-9
Jingsj CID
J-1449261-7
Molecular Formula
C12H7NO6S
Chinese Name
4-氨基-3-磺基-1,8-萘酸酐
Molecular Weight
293.25200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Density1.813g/cm3

Frequently Asked Questions

What is the CAS number of 4-amino-3-sulfo-1,8-naphthalic anhydride?

The CAS number of 4-amino-3-sulfo-1,8-naphthalic anhydride is 6357-99-9.

What are the molecular formula and molecular weight of 4-amino-3-sulfo-1,8-naphthalic anhydride?

4-amino-3-sulfo-1,8-naphthalic anhydride has molecular formula C12H7NO6S and molecular weight 293.25200 g/mol.

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

Last updated:

How to cite: Jingsj. "4-amino-3-sulfo-1,8-naphthalic anhydride (CAS 6357-99-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1449261-7 (accessed 2026-10-22).

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