13H-Dibenzo[a,i]carbazole

Also known as: 1,2:7,8-Dibenzocarbazole, 13-Aza-13H-dibenzo[a,i]fluorene, NSC 109911, Dibenzo[a,i]carbazole, EINECS 205-949-6

13H-Dibenzo[a,i]carbazole (CAS 239-64-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H13N and a molecular weight of 267.324 g/mol. Key properties include a boiling point of 544.1±19.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 246.5±14.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 239-64-5
Jingsj CID: J-1106001-8
Molecular Formula: C₂₀H₁₃N
Molecular Weight: 267.324 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	544.1±19.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	246.5±14.1 °C
Exact Mass	267.104797
PSA	15.79000
LogP	6.18
Vapor Pressure	0.0±1.4 mmHg at 25°C
Refractive Index	1.861

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 13H-Dibenzo[a,i]carbazole?

The CAS number of 13H-Dibenzo[a,i]carbazole is 239-64-5.

What are the molecular formula and molecular weight of 13H-Dibenzo[a,i]carbazole?

13H-Dibenzo[a,i]carbazole has molecular formula C20H13N and molecular weight 267.324 g/mol.

What are the upstream and downstream products of 13H-Dibenzo[a,i]carbazole?

For 13H-Dibenzo[a,i]carbazole, Upstream Products: 1,1'-Dinaphthylamine, 1-Tetralone, 1-Nitronaphthalene.

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. "13H-Dibenzo[a,i]carbazole (CAS 239-64-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1106001-8 (accessed 2026-11-09).

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