Azoxybenzene
Also known as: Fentoxan, Fenazox, Diphenyldiazene 1-oxide, 1,2-Diphenyldiazene 1-oxide, Azoxybenzol, (Z)-diphenyldiazene N-oxide, Diphenyldiazene oxide
Azoxybenzene (CAS 495-48-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H10N2O and a molecular weight of 198.221 g/mol. Key properties include a melting point of 32-36 °C, a boiling point of 336.0±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 157.0±23.2 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 495-48-7
- Jingsj CID
- J-26444-0
- Molecular Formula
- C12H10N2O
- Molecular Weight
- 198.221 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 32-36 °C |
|---|---|
| Boiling Point | 336.0±25.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 157.0±23.2 °C |
| Exact Mass | 198.079315 |
| PSA | 41.11000 |
| LogP | 4.09 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.582 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H332 — Harmful if inhaled
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 Azoxybenzene?
The CAS number of Azoxybenzene is 495-48-7.
What are the molecular formula and molecular weight of Azoxybenzene?
Azoxybenzene has molecular formula C12H10N2O and molecular weight 198.221 g/mol.
Is Azoxybenzene hazardous?
Azoxybenzene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H332 — Harmful if inhaled.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Azoxybenzene (CAS 495-48-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26444-0 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.