3,4-Dihydroisoquinoline
Also known as: 3,4-DIHYDROISOQUINOLINE, AKOS 213-252, Isoquinoline, 3,4-dihydro-, NSC 3007, 3,4-Dihydroisoquinol
3,4-Dihydroisoquinoline (CAS 3230-65-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9N and a molecular weight of 131.174 g/mol. Key properties include a melting point of 251-254℃, a boiling point of 241.8±20.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 91.6±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H310 and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3230-65-7
- Jingsj CID
- J-1105489-0
- Molecular Formula
- C9H9N
- Molecular Weight
- 131.174 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 251-254℃ |
|---|---|
| Boiling Point | 241.8±20.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 91.6±22.6 °C |
| Exact Mass | 131.073502 |
| PSA | 12.36000 |
| LogP | 1.89 |
| Vapor Pressure | 0.1±0.5 mmHg at 25°C |
| Refractive Index | 1.587 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H310
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
Frequently Asked Questions
What is the CAS number of 3,4-Dihydroisoquinoline?
The CAS number of 3,4-Dihydroisoquinoline is 3230-65-7.
What are the molecular formula and molecular weight of 3,4-Dihydroisoquinoline?
3,4-Dihydroisoquinoline has molecular formula C9H9N and molecular weight 131.174 g/mol.
Is 3,4-Dihydroisoquinoline hazardous?
3,4-Dihydroisoquinoline has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H310; H315 — Causes skin irritation.
What are the upstream and downstream products of 3,4-Dihydroisoquinoline?
For 3,4-Dihydroisoquinoline, Upstream Products: 1,2,3,4-Tetrahydroisoquinoline, hydrogen sulfide, N-Bromosuccinimide; Downstream Products: 2-(1,2,3,4-tetrahydroisoquinolin-1-yl)acetonitrile, 7-Bromoisoquinoline, 1,2,3,4-Tetrahydroisoquinoline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4-Dihydroisoquinoline (CAS 3230-65-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1105489-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.