N-Methyldiphenylamine
Also known as: Benzenamine, N-methyl-N-phenyl-, N-methyl-N-phenylaniline, N,N-Diphenylmethylamine, N,N-diphenylmethylamine, Diphenylmethylamine, Methyldiphenylamine, methyl-diphenyl-amine
N-Methyldiphenylamine (CAS 552-82-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C13H13N and a molecular weight of 183.249 g/mol. Key properties include a melting point of -7.6 °C, a boiling point of 296.5±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 116.6±15.6 °C. 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 Aug 21, 2026.
- CAS No.
- 552-82-9
- Jingsj CID
- J-26238-4
- Molecular Formula
- C13H13N
- Molecular Weight
- 183.249 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -7.6 °C |
|---|---|
| Boiling Point | 296.5±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 116.6±15.6 °C |
| Exact Mass | 183.104797 |
| PSA | 3.24000 |
| LogP | 3.90 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.610 |
| Additional Property | INSOLUBLE |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2921440000 |
|---|---|
| Summary | 2921440000. diphenylamine and its derivatives; salts thereof. VAT:17.0%. Tax rebate rate:17.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of N-Methyldiphenylamine?
The CAS number of N-Methyldiphenylamine is 552-82-9.
What are the molecular formula and molecular weight of N-Methyldiphenylamine?
N-Methyldiphenylamine has molecular formula C13H13N and molecular weight 183.249 g/mol.
Is N-Methyldiphenylamine hazardous?
N-Methyldiphenylamine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
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-Methyldiphenylamine (CAS 552-82-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26238-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.