Dibenzo[f,h]quinoxaline

Also known as: 1,4-Diazatriphenylene, Phenanthro[9,10-b]pyrazine, 5,6:7,8-Dibenzoquinoxaline, NSC 74769

Dibenzo[f,h]quinoxaline (CAS 217-68-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H10N2 and a molecular weight of 230.264 g/mol. Key properties include a boiling point of 454.4±18.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 207.5±12.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 217-68-5
Jingsj CID: J-41183-6
Molecular Formula: C₁₆H₁₀N₂
Molecular Weight: 230.264 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	454.4±18.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	207.5±12.5 °C
Exact Mass	230.084396
PSA	25.78000
LogP	3.76
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.797

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Dibenzo[f,h]quinoxaline?

The CAS number of Dibenzo[f,h]quinoxaline is 217-68-5.

What are the molecular formula and molecular weight of Dibenzo[f,h]quinoxaline?

Dibenzo[f,h]quinoxaline has molecular formula C16H10N2 and molecular weight 230.264 g/mol.

What are the upstream and downstream products of Dibenzo[f,h]quinoxaline?

For Dibenzo[f,h]quinoxaline, Upstream Products: Phenanthrene-9,10-dione, Ethylenediamine dihydrochloride.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Dibenzo[f,h]quinoxaline (CAS 217-68-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41183-6 (accessed 2026-11-09).

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