4,8-Dichloroquinoline

4,8-二氯喹啉

Also known as: 4,8-Dichloroquinoline, Quinoline, 4,8-dichloro-, 4-chloro-8-chloroquinoline, Hydroxychloroquine Impurity 11, Hydroxychloroquine Sulfate Impurity 9

4,8-Dichloroquinoline (CAS 21617-12-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H5Cl2N and a molecular weight of 198.049 g/mol. It is also known as Quinoline, 4,8-dichloro-, 4-chloro-8-chloroquinoline and Hydroxychloroquine Impurity 11. Key properties include a melting point of 156-160 °C(lit.), a boiling point of 292.9±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 158.7±7.4 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21617-12-9
Jingsj CID
J-30876-4
Molecular Formula
C9H5Cl2N
Chinese Name
4,8-二氯喹啉
Molecular Weight
198.049 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point156-160 °C(lit.)
Boiling Point292.9±20.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point158.7±7.4 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4,8-Dichloroquinoline?

The CAS number of 4,8-Dichloroquinoline is 21617-12-9.

What are the molecular formula and molecular weight of 4,8-Dichloroquinoline?

4,8-Dichloroquinoline has molecular formula C9H5Cl2N and molecular weight 198.049 g/mol.

Is 4,8-Dichloroquinoline hazardous?

4,8-Dichloroquinoline has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "4,8-Dichloroquinoline (CAS 21617-12-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30876-4 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.