4,4'-diaminoazobenzene
Also known as: 4,4'-azodianiline, 4,4'-diaminoazobenzene, 4,4-Azodianiline, 4,4'-Azobisbenzenamine, 4-[(4-aminophenyl)diazenyl]aniline, p-Diaminoazobenzene, p-azoaniline
4,4'-diaminoazobenzene (CAS 538-41-0) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C12H12N4 and a molecular weight of 212.25000 g/mol. Key properties include a melting point of 245ºC, a boiling point of 428.5ºC at 760 mmHg, a density of 1.23g/cm3 and a flash point of 213ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 538-41-0
- Jingsj CID
- J-29988-7
- Molecular Formula
- C12H12N4
- Molecular Weight
- 212.25000 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 245ºC |
|---|---|
| Boiling Point | 428.5ºC at 760 mmHg |
| Density | 1.23g/cm3 |
| Flash Point | 213ºC |
| Exact Mass | 212.10600 |
| PSA | 76.76000 |
| LogP | 4.42880 |
| Appearance | Powder | Brown |
| Refractive Index | 1.65 |
| Additional Property | Very soluble in ethanol. Insoluble in water. |
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 4,4'-diaminoazobenzene?
The CAS number of 4,4'-diaminoazobenzene is 538-41-0.
What are the molecular formula and molecular weight of 4,4'-diaminoazobenzene?
4,4'-diaminoazobenzene has molecular formula C12H12N4 and molecular weight 212.25000 g/mol.
What are the upstream and downstream products of 4,4'-diaminoazobenzene?
For 4,4'-diaminoazobenzene, Upstream Products: p-Phenylenediamine, Disperse Orange 3, 1,4-Dinitrobenzene; Downstream Products: p-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. "4,4'-diaminoazobenzene (CAS 538-41-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29988-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.