Triphenylamine
Also known as: N,N-Diphenylaniline, N,N-Diphenylbenzenamine, Benzenamine, N,N-diphenyl-, MFCD00003020, EINECS 210-035-5
Triphenylamine (CAS 603-34-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C18H15N and a molecular weight of 245.318 g/mol. Key properties include a melting point of 124-128 °C(lit.), a boiling point of 365.0±11.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 157.3±16.2 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 603-34-9
- Jingsj CID
- J-1131961-2
- Molecular Formula
- C18H15N
- Molecular Weight
- 245.318 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 124-128 °C(lit.) |
|---|---|
| Boiling Point | 365.0±11.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 157.3±16.2 °C |
| Exact Mass | 245.120453 |
| PSA | 3.24000 |
| LogP | 5.74 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.646 |
| Additional Property | insoluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2921499090 |
|---|---|
| Summary | 2921499090 other aromatic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Triphenylamine?
The CAS number of Triphenylamine is 603-34-9.
What are the molecular formula and molecular weight of Triphenylamine?
Triphenylamine has molecular formula C18H15N and molecular weight 245.318 g/mol.
Is Triphenylamine hazardous?
Triphenylamine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Triphenylamine?
For Triphenylamine, Upstream Products: Iodobenzene, Diphenylamine, Bromobenzene; Downstream Products: 4-Nitro-N,N-diphenylaniline, Tris(4-nitrophenyl)amine, 4-Nitro-N-(4-nitrophenyl)-N-phenylaniline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Triphenylamine (CAS 603-34-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1131961-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.