4-Bromoquinolin-2-one

Also known as: 4-bromo-1H-quinolin-2-one, 4-bromoquinolin-2(1H)-one, 2(1H)-Quinolinone, 4-bromo-, 4-bromo-2-hydroxyquinoline, 4-bromo-quinolin-2-ol, 4-Brom-chinolin-2-ol

4-Bromoquinolin-2-one (CAS 938-39-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6BrNO and a molecular weight of 224.05400 g/mol. Key properties include a boiling point of 381.2ºC at 760mmHg, a density of 1.666g/cm3 and a flash point of 184.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 938-39-6
Jingsj CID: J-1314016-4
Molecular Formula: C₉H₆BrNO
Molecular Weight: 224.05400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	381.2ºC at 760mmHg
Density	1.666g/cm3
Flash Point	184.3ºC
Exact Mass	222.96300
PSA	32.86000
LogP	2.29060
Refractive Index	1.654

Customs & Trade Information

HS Code	2933790090
Summary	2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-Bromoquinolin-2-one?

The CAS number of 4-Bromoquinolin-2-one is 938-39-6.

What are the molecular formula and molecular weight of 4-Bromoquinolin-2-one?

4-Bromoquinolin-2-one has molecular formula C9H6BrNO and molecular weight 224.05400 g/mol.

What are the upstream and downstream products of 4-Bromoquinolin-2-one?

For 4-Bromoquinolin-2-one, Upstream Products: 2,4-Dibromoquinoline, Phosphoryl chloride.

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-Bromoquinolin-2-one (CAS 938-39-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1314016-4 (accessed 2026-11-09).

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