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1,2,3,4-tetrahydroisoquinolin-5-amine

5-氨基-1,2,3,4-四氢异喹啉

Also known as: 5-Amino-1,2,3,4-tetrahydroisoquinoline, 1,2,3,4-Tetrahydro-5-isoquinolinamine, 1,2,3,4-Tetrahydro-5-aminoisoquinoline, 5-Isoquinolinamine, 1,2,3,4-tetrahydro-

1,2,3,4-tetrahydroisoquinolin-5-amine (CAS 115955-90-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H12N2 and a molecular weight of 148.205 g/mol. It is also known as 5-Amino-1,2,3,4-tetrahydroisoquinoline, 1,2,3,4-Tetrahydro-5-isoquinolinamine and 1,2,3,4-Tetrahydro-5-aminoisoquinoline. Key properties include a melting point of 153-155ºC(lit.), a boiling point of 309.5±42.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 164.5±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
115955-90-3
Jingsj CID
J-49427-6
Molecular Formula
C9H12N2
Chinese Name
5-氨基-1,2,3,4-四氢异喹啉
Molecular Weight
148.205 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point153-155ºC(lit.)
Boiling Point309.5±42.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point164.5±31.5 °C

Frequently Asked Questions

What is the CAS number of 1,2,3,4-tetrahydroisoquinolin-5-amine?

The CAS number of 1,2,3,4-tetrahydroisoquinolin-5-amine is 115955-90-3.

What are the molecular formula and molecular weight of 1,2,3,4-tetrahydroisoquinolin-5-amine?

1,2,3,4-tetrahydroisoquinolin-5-amine has molecular formula C9H12N2 and molecular weight 148.205 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,2,3,4-tetrahydroisoquinolin-5-amine (CAS 115955-90-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49427-6 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.