1-Amino-4-benzamidoanthraquinone

1-氨基-4-苯甲酰胺蒽醌

Also known as: Benzamide, N-(4-amino-9,10-dihydro-9,10-dioxo-1-anthracenyl)-, 1-amino-4-(benzoylamino)anthraquinone, N-(4-amino-9,10-dioxoanthracen-1-yl)benzamide, 4-amino-1-benzoylaminoanthraquinone, 1-amino-4-benzoylaminoanthraquinone, Corinth flour

1-Amino-4-benzamidoanthraquinone (CAS 81-46-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C21H14N2O3 and a molecular weight of 342.34700 g/mol. It is also known as Benzamide, N-(4-amino-9,10-dihydro-9,10-dioxo-1-anthracenyl)-, 1-amino-4-(benzoylamino)anthraquinone and N-(4-amino-9,10-dioxoanthracen-1-yl)benzamide. Key properties include a boiling point of 531.4ºC at 760 mmHg, a density of 1.425g/cm3 and a flash point of 275.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
81-46-9
Jingsj CID
J-1025594-6
Molecular Formula
C21H14N2O3
Chinese Name
1-氨基-4-苯甲酰胺蒽醌
Molecular Weight
342.34700 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point531.4ºC at 760 mmHg
Density1.425g/cm3
Flash Point275.2ºC

Frequently Asked Questions

What is the CAS number of 1-Amino-4-benzamidoanthraquinone?

The CAS number of 1-Amino-4-benzamidoanthraquinone is 81-46-9.

What are the molecular formula and molecular weight of 1-Amino-4-benzamidoanthraquinone?

1-Amino-4-benzamidoanthraquinone has molecular formula C21H14N2O3 and molecular weight 342.34700 g/mol.

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

Last updated:

How to cite: Jingsj. "1-Amino-4-benzamidoanthraquinone (CAS 81-46-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1025594-6 (accessed 2026-10-26).

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