Diphenylamine
Also known as: N-Phenylaniline, N-Phenylbenzenamine, Aniline, N-phenyl-, Benzenamine, N-phenyl-, DPA
Diphenylamine (CAS 122-39-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C12H11N and a molecular weight of 169.222 g/mol. Key properties include a melting point of 52 °C, a boiling point of 302.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 152.8±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 122-39-4
- Jingsj CID
- J-1111730-4
- Molecular Formula
- C12H11N
- Molecular Weight
- 169.222 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 52 °C |
|---|---|
| Boiling Point | 302.0±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 152.8±0.0 °C |
| Exact Mass | 169.089142 |
| PSA | 12.03000 |
| LogP | 2.97 |
| Additional Property | 5.82 (vs air) |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.634 |
| Additional Property | Slightly soluble. 0.03 g/100 mL |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H311 — Toxic in contact with skin
- H331 — Toxic if inhaled
- H373 — May cause damage to organs through prolonged exposure
- H410 — Very toxic to aquatic life with long lasting effects
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 Diphenylamine?
The CAS number of Diphenylamine is 122-39-4.
What are the molecular formula and molecular weight of Diphenylamine?
Diphenylamine has molecular formula C12H11N and molecular weight 169.222 g/mol.
Is Diphenylamine hazardous?
Diphenylamine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H331 — Toxic if inhaled.
What are the upstream and downstream products of Diphenylamine?
For Diphenylamine, Upstream Products: Phenylboronic acid, Chlorobenzene, azidobenzene; Downstream Products: Triphenylamine, Linopirdine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diphenylamine (CAS 122-39-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1111730-4 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.