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1,4-Diamino-2,3-dihydroanthraquinone

Also known as: 1,4-Diamino-2,3-dihydro-9,10-anthracenedione, 1,4-Diamino-2,3-dihydroanthracene-9,10-dione, 9,10-Anthracenedione, 1,4-diamino-2,3-dihydro-, Solvent Violet 47, Solvent Violet R, EINECS 201-367-1, MFCD00035689

1,4-Diamino-2,3-dihydroanthraquinone (CAS 81-63-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C14H12N2O2 and a molecular weight of 240.257 g/mol. Key properties include a melting point of 248 - 252ºC, a boiling point of 375.1±42.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 180.7±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
81-63-0
Jingsj CID
J-48291-4
Molecular Formula
C14H12N2O2
Molecular Weight
240.257 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point248 - 252ºC
Boiling Point375.1±42.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point180.7±27.9 °C
Exact Mass240.089874
PSA86.18000
LogP1.78
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.700
Storage Conditions-20?C Freezer, Under Inert Atmosphere

Frequently Asked Questions

What is the CAS number of 1,4-Diamino-2,3-dihydroanthraquinone?

The CAS number of 1,4-Diamino-2,3-dihydroanthraquinone is 81-63-0.

What are the molecular formula and molecular weight of 1,4-Diamino-2,3-dihydroanthraquinone?

1,4-Diamino-2,3-dihydroanthraquinone has molecular formula C14H12N2O2 and molecular weight 240.257 g/mol.

What are the upstream and downstream products of 1,4-Diamino-2,3-dihydroanthraquinone?

For 1,4-Diamino-2,3-dihydroanthraquinone, Upstream Products: 1,4-Diaminoanthraquinone; Downstream Products: 1,4-Diaminoanthraquinone.

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

Last updated:

How to cite: Jingsj. "1,4-Diamino-2,3-dihydroanthraquinone (CAS 81-63-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48291-4 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.