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5,6,7,8-Tetrahydroisoquinoline

Also known as: 5,6,7,8-Tetrahydroisoquinoline 98+%, 5,6,7,8-Tetrahydroisoquinoline 95%, Isoquinoline, 5,6,7,8-tetrahydro-, EINECS 253-098-4, MFCD00012168

5,6,7,8-Tetrahydroisoquinoline (CAS 36556-06-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H11N and a molecular weight of 133.190 g/mol. Key properties include a boiling point of 219.9±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 100.0±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
36556-06-6
Jingsj CID
J-30203-4
Molecular Formula
C9H11N
Molecular Weight
133.190 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point219.9±9.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point100.0±0.0 °C
Exact Mass133.089142
PSA12.89000
LogP2.41
Vapor Pressure0.2±0.4 mmHg at 25°C
Refractive Index1.548

Customs & Trade Information

HS Code2933499090
Summary2933499090. 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 5,6,7,8-Tetrahydroisoquinoline?

The CAS number of 5,6,7,8-Tetrahydroisoquinoline is 36556-06-6.

What are the molecular formula and molecular weight of 5,6,7,8-Tetrahydroisoquinoline?

5,6,7,8-Tetrahydroisoquinoline has molecular formula C9H11N and molecular weight 133.190 g/mol.

What are the upstream and downstream products of 5,6,7,8-Tetrahydroisoquinoline?

For 5,6,7,8-Tetrahydroisoquinoline, Upstream Products: Isoquinoline, 1-Pyrrolidino-1-cyclohexene, 1,2,4-Triazine; Downstream Products: 6,7-Dihydro-5H-isoquinolin-8-one, 7,8-Dihydro-6H-isoquinolin-5-one, 5-Hydroxyisoquinoline.

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

Last updated:

How to cite: Jingsj. "5,6,7,8-Tetrahydroisoquinoline (CAS 36556-06-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30203-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.