4-Aza-9-fluorenone

Also known as: 5H-Indeno[1,2-b]pyridin-5-one, 4-Azafluorenone, Indeno[1,2-b]pyridin-5-one, AKOS 92850, NSC 158496, 4-Azafluoren-9-one

4-Aza-9-fluorenone (CAS 3882-46-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H7NO and a molecular weight of 181.19000 g/mol. Key properties include a boiling point of 361ºC at 760 mmHg, a density of 1.312g/cm3 and a flash point of 179.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3882-46-0
Jingsj CID: J-1077546-9
Molecular Formula: C₁₂H₇NO
Molecular Weight: 181.19000 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	361ºC at 760 mmHg
Density	1.312g/cm3
Flash Point	179.8ºC
Exact Mass	181.05300
PSA	29.96000
LogP	2.29300
Refractive Index	1.677

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 4-Aza-9-fluorenone?

The CAS number of 4-Aza-9-fluorenone is 3882-46-0.

What are the molecular formula and molecular weight of 4-Aza-9-fluorenone?

4-Aza-9-fluorenone has molecular formula C12H7NO and molecular weight 181.19000 g/mol.

What are the upstream and downstream products of 4-Aza-9-fluorenone?

For 4-Aza-9-fluorenone, Upstream Products: (2-chloropyridin-3-yl)(phenyl)methanone, Benzo[h]quinoline, 2-Phenylnicotinic acid; Downstream Products: 5H-indeno[1,2-b]pyridine, methyl 5-hydroxy-5H-indeno[1,2-b]pyridine-5-carboxylate.

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. "4-Aza-9-fluorenone (CAS 3882-46-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1077546-9 (accessed 2026-11-09).

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