N,N'-Bis(3-methylphenyl)-N,N'-diphenylbenzidine
Also known as: N,N'-Diphenyl-N,N'-di(3-tolyl)benzidine, N,N'-Diphenyl-N,N'-di(m-tolyl)benzidine, 4,4'-Bis[N-phenyl-N-(m-tolyl)amino]biphenyl, [1,1'-Biphenyl]-4,4'-diamine, N,N'-bis(3-methylphenyl)-N,N'-diphenyl-, TPD
N,N'-Bis(3-methylphenyl)-N,N'-diphenylbenzidine (CAS 65181-78-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C38H32N2 and a molecular weight of 516.674 g/mol. Key properties include a melting point of 169°C, a boiling point of 680.1±55.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 303.1±19.3 °C. GHS hazard statements: H411 — Toxic to aquatic life with long lasting effects. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 65181-78-4
- Jingsj CID
- J-38656-8
- Molecular Formula
- C38H32N2
- Molecular Weight
- 516.674 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 169°C |
|---|---|
| Boiling Point | 680.1±55.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 303.1±19.3 °C |
| Exact Mass | 516.256531 |
| PSA | 6.48000 |
| LogP | 11.94 |
| Vapor Pressure | 0.0±2.1 mmHg at 25°C |
| Refractive Index | 1.671 |
GHS Safety & Compliance
- H411 — Toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2921590090 |
|---|---|
| Summary | 2921590090. other aromatic polyamines and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of N,N'-Bis(3-methylphenyl)-N,N'-diphenylbenzidine?
The CAS number of N,N'-Bis(3-methylphenyl)-N,N'-diphenylbenzidine is 65181-78-4.
What are the molecular formula and molecular weight of N,N'-Bis(3-methylphenyl)-N,N'-diphenylbenzidine?
N,N'-Bis(3-methylphenyl)-N,N'-diphenylbenzidine has molecular formula C38H32N2 and molecular weight 516.674 g/mol.
Which suppliers offer N,N'-Bis(3-methylphenyl)-N,N'-diphenylbenzidine?
1 supplier(s) listed; request a quote for pricing.
Is N,N'-Bis(3-methylphenyl)-N,N'-diphenylbenzidine hazardous?
N,N'-Bis(3-methylphenyl)-N,N'-diphenylbenzidine has GHS hazard statements H411 — Toxic to aquatic life with long lasting effects.
What are the upstream and downstream products of N,N'-Bis(3-methylphenyl)-N,N'-diphenylbenzidine?
For N,N'-Bis(3-methylphenyl)-N,N'-diphenylbenzidine, Upstream Products: 4,4'-Dibromobiphenyl, 3-Methyldiphenylamine, 3-Chlorotoluene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N,N'-Bis(3-methylphenyl)-N,N'-diphenylbenzidine (CAS 65181-78-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38656-8 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.