1,3-Bis(9H-carbazol-9-yl)benzene

Also known as: 1,3-Bis(carbazol-9-yl)benzene, 1,3-Di(9H-carbazol-9-yl)benzene, 9,9'-(1,3-Phenylene)bis-9H-carbazole, 1,3-Di(9H-carbazol-9-yl)benzene, mCP

1,3-Bis(9H-carbazol-9-yl)benzene (CAS 550378-78-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C30H20N2 and a molecular weight of 408.493 g/mol. Key properties include a melting point of 176-178ºC, a boiling point of 644.2±51.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 343.4±30.4 °C. It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H318 — Causes serious eye damage and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 550378-78-4
Jingsj CID: J-1180022-4
Molecular Formula: C₃₀H₂₀N₂
Molecular Weight: 408.493 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	176-178ºC
Boiling Point	644.2±51.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	343.4±30.4 °C
Exact Mass	408.162659
PSA	9.86000
LogP	10.18
Vapor Pressure	0.0±1.9 mmHg at 25°C
Refractive Index	1.704

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

H315 — Causes skin irritation
H318 — Causes serious eye damage
H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 1,3-Bis(9H-carbazol-9-yl)benzene?

The CAS number of 1,3-Bis(9H-carbazol-9-yl)benzene is 550378-78-4.

What are the molecular formula and molecular weight of 1,3-Bis(9H-carbazol-9-yl)benzene?

1,3-Bis(9H-carbazol-9-yl)benzene has molecular formula C30H20N2 and molecular weight 408.493 g/mol.

Is 1,3-Bis(9H-carbazol-9-yl)benzene hazardous?

1,3-Bis(9H-carbazol-9-yl)benzene has GHS signal word Danger and hazard statements H315 — Causes skin irritation; H318 — Causes serious eye damage; H335 — May cause respiratory irritation.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1,3-Bis(9H-carbazol-9-yl)benzene (CAS 550378-78-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1180022-4 (accessed 2026-11-06).

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