1-Methyl-1,2,3,4-tetrahydroisoquinoline
Also known as: 1,2,3,4-Tetrahydro-1-methylisoquinoline, 1MeTIQ, 1-Methyl-2,3,4-tetrahydroisoquinoline, 1-m-Thiq, 1-Methyltetrahydroisoquinoline, Isoquinoline, 1,2,3,4-tetrahydro-1-methyl-
1-Methyl-1,2,3,4-tetrahydroisoquinoline (CAS 4965-09-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H13N and a molecular weight of 147.217 g/mol. Key properties include a boiling point of 239.3±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 100.0±14.2 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4965-09-7
- Jingsj CID
- J-1504392-2
- Molecular Formula
- C10H13N
- Molecular Weight
- 147.217 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 239.3±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 100.0±14.2 °C |
| Exact Mass | 147.104797 |
| PSA | 12.03000 |
| LogP | 1.90 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.522 |
| Storage Conditions | 2~8 °C |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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-Methyl-1,2,3,4-tetrahydroisoquinoline?
The CAS number of 1-Methyl-1,2,3,4-tetrahydroisoquinoline is 4965-09-7.
What are the molecular formula and molecular weight of 1-Methyl-1,2,3,4-tetrahydroisoquinoline?
1-Methyl-1,2,3,4-tetrahydroisoquinoline has molecular formula C10H13N and molecular weight 147.217 g/mol.
Is 1-Methyl-1,2,3,4-tetrahydroisoquinoline hazardous?
1-Methyl-1,2,3,4-tetrahydroisoquinoline has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 1-Methyl-1,2,3,4-tetrahydroisoquinoline?
For 1-Methyl-1,2,3,4-tetrahydroisoquinoline, Upstream Products: 1-Methylisoquinoline, 1,2,3,4-Tetrahydroisoquinoline; Downstream Products: 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-Methyl-1,2,3,4-tetrahydroisoquinoline (CAS 4965-09-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504392-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.