Tri-p-tolylamine
4,4',4''-三甲基三苯胺
Also known as: 4,4',4''-Trimethyltriphenylamine, 4-Methyl-N,N-bis(4-methylphenyl)aniline, Tris(4-methylphenyl)amine, N,N-Di-p-tolyl-p-toluidine, TMTPA
Tri-p-tolylamine (CAS 1159-53-1) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C21H21N and a molecular weight of 287.398 g/mol. It is also known as 4,4',4''-Trimethyltriphenylamine, 4-Methyl-N,N-bis(4-methylphenyl)aniline and Tris(4-methylphenyl)amine. Key properties include a melting point of 114-118°C, a boiling point of 170 °C / 0.1 mmHg (527.2182 °C / 760 mmHg), a density of 1.7±0.1 g/cm3 and a flash point of 172.9±22.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1159-53-1
- Jingsj CID
- J-1013990-3
- Molecular Formula
- C21H21N
- Chinese Name
- 4,4',4''-三甲基三苯胺
- Molecular Weight
- 287.398 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 114-118°C |
|---|---|
| Boiling Point | 170 °C / 0.1 mmHg (527.2182 °C / 760 mmHg) |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 172.9±22.9 °C |
Frequently Asked Questions
What is the CAS number of Tri-p-tolylamine?
The CAS number of Tri-p-tolylamine is 1159-53-1.
What are the molecular formula and molecular weight of Tri-p-tolylamine?
Tri-p-tolylamine has molecular formula C21H21N and molecular weight 287.398 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tri-p-tolylamine (CAS 1159-53-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1013990-3 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.