N,N,N',N'-Tetraphenylbenzidine
Also known as: 4,4'-Bis(diphenylamino)biphenyl, 4,4'-Bis(diphenylamino)-1,1'-biphenyl, N,N,N',N'-Tetraphenyl[1,1'-biphenyl]-4,4'-diamine, N,N-diphenyl-4-[4-(N-phenylanilino)phenyl]aniline, N4,N4,N4',N4'-Tetraphenyl-[1,1'-biphenyl]-4,4'-diamine, Tetra-N-phenylbenzidine, Tetraphenylbenzidine, TPB
N,N,N',N'-Tetraphenylbenzidine (CAS 15546-43-7) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C36H28N2 and a molecular weight of 488.63400 g/mol. Key properties include a melting point of 230-234 °C, a boiling point of 649.7ºC at 760 mmHg, a density of 1.171 g/cm3 and a flash point of 291.2ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 15546-43-7
- Jingsj CID
- J-16431-8
- Molecular Formula
- C36H28N2
- Molecular Weight
- 488.63400 g/mol
- Category
- Organic Bases
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 230-234 °C |
|---|---|
| Boiling Point | 649.7ºC at 760 mmHg |
| Density | 1.171 g/cm3 |
| Flash Point | 291.2ºC |
| Exact Mass | 332.129150 |
| PSA | 68.25000 |
| LogP | 4.27640 |
| Vapor Pressure | 9.18E-17mmHg at 25°C |
| Refractive Index | 1.685 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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,N',N'-Tetraphenylbenzidine?
The CAS number of N,N,N',N'-Tetraphenylbenzidine is 15546-43-7.
What are the molecular formula and molecular weight of N,N,N',N'-Tetraphenylbenzidine?
N,N,N',N'-Tetraphenylbenzidine has molecular formula C36H28N2 and molecular weight 488.63400 g/mol.
Is N,N,N',N'-Tetraphenylbenzidine hazardous?
N,N,N',N'-Tetraphenylbenzidine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of N,N,N',N'-Tetraphenylbenzidine?
For N,N,N',N'-Tetraphenylbenzidine, Upstream Products: 4,4'-Diiodobiphenyl, Diphenylamine, 4,4'-Dibromobiphenyl.
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,N',N'-Tetraphenylbenzidine (CAS 15546-43-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16431-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.