4-(Phenylazo)diphenylamine
Also known as: Benzenamine, N-phenyl-4-(2-phenyldiazenyl)-, N-Phenyl-4-[(E)-phenyldiazenyl]aniline, N-Phenyl-4-aminoazobenzene, 4-Anilinoazobenzene, 4-Azobenzeneaniline, 4-(phenylamino)azobenzene, Azobenzene, 4-anilino-, Diphenylamine, 4-(phenylazo)-
4-(Phenylazo)diphenylamine (CAS 101-75-7) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C18H15N3 and a molecular weight of 273.33200 g/mol. Key properties include a melting point of 87-91 °C, a boiling point of 451.7ºC at 760 mmHg, a density of 1.08 g/cm3 and a flash point of 227ºC. 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.
- 101-75-7
- Jingsj CID
- J-8966-7
- Molecular Formula
- C18H15N3
- Molecular Weight
- 273.33200 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 87-91 °C |
|---|---|
| Boiling Point | 451.7ºC at 760 mmHg |
| Density | 1.08 g/cm3 |
| Flash Point | 227ºC |
| Exact Mass | 273.12700 |
| PSA | 36.75000 |
| LogP | 5.91860 |
| Vapor Pressure | 5.74E-07mmHg at 25°C |
| Refractive Index | 1.572 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Shawn Blumberg, et al. 4-(Phenylazo)diphenylamine (PDA): a universal indicator for the colorimetric titration of strong bases, Lewis acids, and hydride reducing agents. Tetrahedron Letters. Volume 56, Issue 23, 3 June 2015, Pages 3674-3678. |
|---|
Customs & Trade Information
| HS Code | 2927000090 |
|---|---|
| Summary | 2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-(Phenylazo)diphenylamine?
The CAS number of 4-(Phenylazo)diphenylamine is 101-75-7.
What are the molecular formula and molecular weight of 4-(Phenylazo)diphenylamine?
4-(Phenylazo)diphenylamine has molecular formula C18H15N3 and molecular weight 273.33200 g/mol.
Is 4-(Phenylazo)diphenylamine hazardous?
4-(Phenylazo)diphenylamine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 4-(Phenylazo)diphenylamine?
For 4-(Phenylazo)diphenylamine, Upstream Products: nitrobenzene, Diphenylamine, Benzenediazonium chloride; Downstream Products: N-Isopropyl-N'-phenyl-1,4-phenylenediamine, N-Cyclohexyl-N'-phenyl-1,4-phenylenediamine, N-Phenyl-1,4-phenylenediamine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-(Phenylazo)diphenylamine (CAS 101-75-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8966-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.