1-Chloroisoquinoline
Also known as: 1-Chloro-isoquinoline, Isoquinoline, 1-chloro-, 1-chloroisoquinoline, chloroisoquinoline
1-Chloroisoquinoline (CAS 19493-44-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6ClN and a molecular weight of 163.604 g/mol. Key properties include a melting point of 31-36 °C(lit.), a boiling point of 274.5±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 158.0±5.4 °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.
- 19493-44-8
- Jingsj CID
- J-33240-1
- Molecular Formula
- C9H6ClN
- Molecular Weight
- 163.604 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 31-36 °C(lit.) |
|---|---|
| Boiling Point | 274.5±0.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 158.0±5.4 °C |
| Exact Mass | 163.018875 |
| PSA | 12.89000 |
| LogP | 2.63 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.652 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 1-Chloroisoquinoline?
The CAS number of 1-Chloroisoquinoline is 19493-44-8.
What are the molecular formula and molecular weight of 1-Chloroisoquinoline?
1-Chloroisoquinoline has molecular formula C9H6ClN and molecular weight 163.604 g/mol.
Is 1-Chloroisoquinoline hazardous?
1-Chloroisoquinoline 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 1-Chloroisoquinoline?
For 1-Chloroisoquinoline, Upstream Products: Isoquinoline N-oxide, Isoquinoline, 1-Aminoisoquinoline; Downstream Products: Isoquinolin-1(2H)-one, 5-Amino-1-chloroisoquinoline, 1-Methylisoquinoline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Chloroisoquinoline (CAS 19493-44-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33240-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.