4-(4-Nitrophenylazo)catechol
4-(4-硝基苯偶氮)邻苯二酚
Also known as: 4-[(4-Nitrophenyl)azo]-1,2-benzenediol, 4-(p-Nitrophenylazo)pyrocatechol, 4-(4-Nitrobenzeneazo)catechol, 4-(4-Nitrophenylazo)benzene-1,2-diol, 4-[(4-nitrophenyl)diazenyl]-1,2-benzenediol, 4-(4-nitro-phenylazo)-pyrocatechol, 4-(P-NITROPHENYLAZO)CATECHOL
4-(4-Nitrophenylazo)catechol (CAS 843-33-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C12H9N3O4 and a molecular weight of 259.21800 g/mol. It is also known as 4-[(4-Nitrophenyl)azo]-1,2-benzenediol, 4-(p-Nitrophenylazo)pyrocatechol and 4-(4-Nitrobenzeneazo)catechol. Key properties include a melting point of 188-190°C, a boiling point of 351.8ºC at 760 mmHg, a density of 1.45g/cm3 and a flash point of 166.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 843-33-4
- Jingsj CID
- J-32945-3
- Molecular Formula
- C12H9N3O4
- Chinese Name
- 4-(4-硝基苯偶氮)邻苯二酚
- Molecular Weight
- 259.21800 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 188-190°C |
|---|---|
| Boiling Point | 351.8ºC at 760 mmHg |
| Density | 1.45g/cm3 |
| Flash Point | 166.5ºC |
Frequently Asked Questions
What is the CAS number of 4-(4-Nitrophenylazo)catechol?
The CAS number of 4-(4-Nitrophenylazo)catechol is 843-33-4.
What are the molecular formula and molecular weight of 4-(4-Nitrophenylazo)catechol?
4-(4-Nitrophenylazo)catechol has molecular formula C12H9N3O4 and molecular weight 259.21800 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-(4-Nitrophenylazo)catechol (CAS 843-33-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32945-3 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.