N,N'-Bis(3-methylphenyl)-N,N'-diphenyl-9,9'-spirobi[fluorene]-2,7-diamine

2,7-双[N-(间甲苯基)苯氨基]-9,9'-螺二[9H-芴]

Also known as: 2,7-Bis[N-(m-tolyl)anilino]-9,9'-spirobi[9H-fluorene], N2,N7-Diphenyl-N2,N7-di-m-tolyl-9,9'-spirobi[fluorene]-2,7-diamine, Spiro-TPD, N,N-Bis(3-methylphenyl)-N,N-diphenyl-9,9-spirobifluorene-2,7-diamine

N,N'-Bis(3-methylphenyl)-N,N'-diphenyl-9,9'-spirobi[fluorene]-2,7-diamine (CAS 1033035-83-4) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C51H38N2 and a molecular weight of 678.861 g/mol. It is also known as 2,7-Bis[N-(m-tolyl)anilino]-9,9'-spirobi[9H-fluorene], N2,N7-Diphenyl-N2,N7-di-m-tolyl-9,9'-spirobi[fluorene]-2,7-diamine and Spiro-TPD. Key properties include a melting point of 213 °C and a density of 1.3±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1033035-83-4
Jingsj CID: J-1502393-3
Molecular Formula: C₅₁H₃₈N₂
Chinese Name: 2,7-双[N-(间甲苯基)苯氨基]-9,9'-螺二[9H-芴]
Molecular Weight: 678.861 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	213 °C
Density	1.3±0.1 g/cm3

Frequently Asked Questions

What is the CAS number of N,N'-Bis(3-methylphenyl)-N,N'-diphenyl-9,9'-spirobi[fluorene]-2,7-diamine?

The CAS number of N,N'-Bis(3-methylphenyl)-N,N'-diphenyl-9,9'-spirobi[fluorene]-2,7-diamine is 1033035-83-4.

What are the molecular formula and molecular weight of N,N'-Bis(3-methylphenyl)-N,N'-diphenyl-9,9'-spirobi[fluorene]-2,7-diamine?

N,N'-Bis(3-methylphenyl)-N,N'-diphenyl-9,9'-spirobi[fluorene]-2,7-diamine has molecular formula C51H38N2 and molecular weight 678.861 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "N,N'-Bis(3-methylphenyl)-N,N'-diphenyl-9,9'-spirobi[fluorene]-2,7-diamine (CAS 1033035-83-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1502393-3 (accessed 2026-10-22).

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