3,6-dihydroxyphthalonitrile

Also known as: 1,2-Benzenedicarbonitrile, 3,6-dihydroxy-, 1,4-dihydroxy-2,3-dicyanobenzene, 2,3-Dicyano-1,4-hydroquinone, 2,3-Dicyanohydroquinone, 2,3-Dicyanobenzene-1,4-diol, 3,6-dihydroxybenzene-1,2-dicarbonitrile, 3,6-dihydroxybenzene-1,2-dinitrile, DCH, Phthalonitrile, 3,6-dihydroxy-

3,6-dihydroxyphthalonitrile (CAS 4733-50-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H4N2O2 and a molecular weight of 160.130 g/mol. Key properties include a melting point of 245 °C, a boiling point of 443.5±45.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 222.0±28.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

4733-50-0

Jingsj CID

J-1492807-1

Molecular Formula

C₈H₄N₂O₂

Molecular Weight

160.130 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026