Tris(4-(9H-carbazol-9-yl)phenyl)amine

4,4',4''-三(咔唑-9-基)三苯胺

Also known as: 4,4',4''-Tris(carbazol-9-yl)triphenylamine, TCTA, TcTa, 4,4',4''-Tri-9-carbazolyltriphenylamine, Tris(4-carbazol-9-ylphenyl)amine, 4,4',4''-Tris(carbazol-9-yl)-triphenylamine, 4-(9H-Carbazol-9-yl)-N,N-bis[4-(9H-carbazol-9-yl)phenyl]aniline

Tris(4-(9H-carbazol-9-yl)phenyl)amine (CAS 139092-78-7) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C54H36N4 and a molecular weight of 740.890 g/mol. It is also known as 4,4',4''-Tris(carbazol-9-yl)triphenylamine, TCTA and TcTa. Key properties include a melting point of 298-300ºC and a density of 1.2±0.1 g/cm3. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 139092-78-7
Jingsj CID: J-1421688-0
Molecular Formula: C₅₄H₃₆N₄
Chinese Name: 4,4',4''-三(咔唑-9-基)三苯胺
Molecular Weight: 740.890 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	298-300ºC
Density	1.2±0.1 g/cm3

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Tris(4-(9H-carbazol-9-yl)phenyl)amine?

The CAS number of Tris(4-(9H-carbazol-9-yl)phenyl)amine is 139092-78-7.

What are the molecular formula and molecular weight of Tris(4-(9H-carbazol-9-yl)phenyl)amine?

Tris(4-(9H-carbazol-9-yl)phenyl)amine has molecular formula C54H36N4 and molecular weight 740.890 g/mol.

Is Tris(4-(9H-carbazol-9-yl)phenyl)amine hazardous?

Tris(4-(9H-carbazol-9-yl)phenyl)amine has GHS signal word Warning.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Tris(4-(9H-carbazol-9-yl)phenyl)amine (CAS 139092-78-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1421688-0 (accessed 2026-10-25).

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