Tris(4-aminophenyl)amine
三(4-氨基苯基)胺
Also known as: 4,4',4''-Triaminotriphenylamine, 4,4',4''-Nitrilotrianiline, 4,4',4''-Nitrilotris(aniline), 4,4',4''-Nitrilotris(benzenamine), N,N-bis(4-aminophenyl)benzene-1,4-diamine, N1,N1-Bis(4-aminophenyl)-1,4-benzenediamine, TAPA, Tris(4-aminophenyl)amine
Tris(4-aminophenyl)amine (CAS 5981-09-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C18H18N4 and a molecular weight of 290.36200 g/mol. It is also known as 4,4',4''-Triaminotriphenylamine, 4,4',4''-Nitrilotrianiline and 4,4',4''-Nitrilotris(aniline). Key properties include a melting point of 230ºC, a boiling point of 571.3ºC at 760 mmHg, a density of 1.276g/cm3 and a flash point of 294.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5981-09-9
- Jingsj CID
- J-39128-3
- Molecular Formula
- C18H18N4
- Chinese Name
- 三(4-氨基苯基)胺
- Molecular Weight
- 290.36200 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 230ºC |
|---|---|
| Boiling Point | 571.3ºC at 760 mmHg |
| Density | 1.276g/cm3 |
| Flash Point | 294.1ºC |
Frequently Asked Questions
What is the CAS number of Tris(4-aminophenyl)amine?
The CAS number of Tris(4-aminophenyl)amine is 5981-09-9.
What are the molecular formula and molecular weight of Tris(4-aminophenyl)amine?
Tris(4-aminophenyl)amine has molecular formula C18H18N4 and molecular weight 290.36200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tris(4-aminophenyl)amine (CAS 5981-09-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39128-3 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.