1,2,3,4-Tetrahydroisoquinoline

1,2,3,4-四氢异喹啉

Also known as: Tetrahydroisoquinoline, 1,2,3,4-Tetrahydro-2-azanaphthalene, 1,2,3,4-Tetrahydro-2-isoquinoline, Isoquinoline, 1,2,3,4-tetrahydro-

CAS No.
91-21-4
Jingsj CID
J-33066-8
Molecular Formula
C9H11N
Chinese Name
1,2,3,4-四氢异喹啉
Molecular Weight
133.190 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−30 °C(lit.)
Boiling Point232.5±9.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point98.9±0.0 °C

Frequently Asked Questions

What is the CAS number of 1,2,3,4-Tetrahydroisoquinoline?

91-21-4

What are the molecular formula and molecular weight of 1,2,3,4-Tetrahydroisoquinoline?

C9H11N, molecular weight 133.190 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026