4,8-Dichloroquinoline
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. 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. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21617-12-9
- Jingsj CID
- J-30876-9
- Molecular Formula
- C9H5Cl2N
- Molecular Weight
- 198.049 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 156-160 °C(lit.) |
|---|---|
| Boiling Point | 292.9±20.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 158.7±7.4 °C |
| Exact Mass | 196.979904 |
| PSA | 12.89000 |
| LogP | 2.91 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.661 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 4,8-Dichloroquinoline?
For 4,8-Dichloroquinoline, Upstream Products: 8-Chloro-4-hydroxyquinoline, 8-Chloro-4-hydroxyquinoline-3-carboxylic acid, Ethyl 8-chloro-4-hydroxy-3-quinolinecarboxylate; Downstream Products: 4-Amino-8-chloroquinoline.
Data compiled from public chemical databases such as PubChem 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-30876-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.