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1,2,3,4-Tetrahydrocarbazole

Also known as: 2,3,4,9-Tetrahydro-1H-carbazole, 2,3-Tetramethylene-1H-indole, 2,3-Tetramethyleneindole, 5,6,7,8-Tetrahydrocarbazole, Carbazole, 1,2,3,4-tetrahydro-, Carbazole, 5,6,7,8-tetrahydro-, NSC 17329, tetrahydrocarbazole

1,2,3,4-Tetrahydrocarbazole (CAS 942-01-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H13N and a molecular weight of 171.238 g/mol. Key properties include a melting point of 118-120 °C(lit.), a boiling point of 325.4±11.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 142.1±11.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
942-01-8
Jingsj CID
J-1327997-5
Molecular Formula
C12H13N
Molecular Weight
171.238 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point118-120 °C(lit.)
Boiling Point325.4±11.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point142.1±11.9 °C
Exact Mass171.104797
PSA15.79000
LogP3.83
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.666

Customs & Trade Information

HS Code2933990090
Summary2933990090. 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 1,2,3,4-Tetrahydrocarbazole?

The CAS number of 1,2,3,4-Tetrahydrocarbazole is 942-01-8.

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

1,2,3,4-Tetrahydrocarbazole has molecular formula C12H13N and molecular weight 171.238 g/mol.

What are the upstream and downstream products of 1,2,3,4-Tetrahydrocarbazole?

For 1,2,3,4-Tetrahydrocarbazole, Upstream Products: Cyclohexanone, Phenylhydrazine, 2-Chloroaniline; Downstream Products: Carbazole, 2,3,4,9-Tetrahydro-1H-carbazol-1-one, 1,2,3,9-Tetrahydro-4H-carbazol-4-one.

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

Last updated:

How to cite: Jingsj. "1,2,3,4-Tetrahydrocarbazole (CAS 942-01-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1327997-5 (accessed 2026-11-09).

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