4-Nitrophthalonitrile

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. 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. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

31643-49-9

Jingsj CID

J-3054-6

Molecular Formula

C₈H₃N₃O₂

Molecular Weight

173.13 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026