4-Nitrophthalonitrile
4-硝基邻苯二甲腈
Also known as: 1,2-Benzenedicarbonitrile, 4-nitro-, 1,2-Dicyano-4-nitrobenzene, 3,4-Dicyanonitrobenzene, 4-Nitro-1,2-benzenedicarbonitrile, 4-Nitrobenzene-1,2-dicarbonitrile, 5-Nitro-1,2-benzenedicarbonitrile, 5-Nitrobenzene-1,2-dicarbonitrile, p-Nitrophthalonitrile, Phthalonitrile,4-nitro, MFCD00040301, EINECS 250-748-9, Febuxostat Impurity 11, 4-nitro phthalic nitrile, 4-nitrophthalodinitrile, 4-nitrophthalic acid dinitrile, 4-nitro-2-benzenedicarbonitrile
4-Nitrophthalonitrile (CAS 31643-49-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H3N3O2 and a molecular weight of 173.13 g/mol. It is also known as 1,2-Benzenedicarbonitrile, 4-nitro-, 1,2-Dicyano-4-nitrobenzene and 3,4-Dicyanonitrobenzene. Key properties include a melting point of 142-144 °C(lit.), a boiling point of 389.9±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 189.6±26.5 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 31643-49-9
- Jingsj CID
- J-3054-2
- Molecular Formula
- C8H3N3O2
- Chinese Name
- 4-硝基邻苯二甲腈
- Molecular Weight
- 173.13 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 142-144 °C(lit.) |
|---|---|
| Boiling Point | 389.9±37.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 189.6±26.5 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 4-Nitrophthalonitrile?
The CAS number of 4-Nitrophthalonitrile is 31643-49-9.
What are the molecular formula and molecular weight of 4-Nitrophthalonitrile?
4-Nitrophthalonitrile has molecular formula C8H3N3O2 and molecular weight 173.13 g/mol.
Is 4-Nitrophthalonitrile hazardous?
4-Nitrophthalonitrile has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Nitrophthalonitrile (CAS 31643-49-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3054-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.