4,6-Dichloroquinoline
Also known as: Quinoline, 4,6-dichloro-
4,6-Dichloroquinoline (CAS 4203-18-3) 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 104-105ºC, a boiling point of 282.0±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 151.3±7.4 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4203-18-3
- Jingsj CID
- J-1427348-4
- 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 | 104-105ºC |
|---|---|
| Boiling Point | 282.0±20.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 151.3±7.4 °C |
| Exact Mass | 196.979904 |
| PSA | 12.89000 |
| LogP | 3.61 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.661 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H318 — Causes serious eye damage
Customs & Trade Information
| HS Code | 2933499090 |
|---|---|
| Summary | 2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. 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 4,6-Dichloroquinoline?
The CAS number of 4,6-Dichloroquinoline is 4203-18-3.
What are the molecular formula and molecular weight of 4,6-Dichloroquinoline?
4,6-Dichloroquinoline has molecular formula C9H5Cl2N and molecular weight 198.049 g/mol.
Is 4,6-Dichloroquinoline hazardous?
4,6-Dichloroquinoline has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H318 — Causes serious eye damage.
What are the upstream and downstream products of 4,6-Dichloroquinoline?
For 4,6-Dichloroquinoline, Upstream Products: 6-Chloro-4-quinolinol, 6-Chloro-4-hydroxyquinoline-3-carboxylic acid, Ethyl 6-chloro-4-hydroxy-3-quinolinecarboxylate; Downstream Products: Dimethyl sulfide, 4-Amino-6-chloroquinoline, 6-chloro-4-methoxyquinoline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,6-Dichloroquinoline (CAS 4203-18-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1427348-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.