Triphenylene

Also known as: 1,2:3,4-Dibenznaphthalene, 10,9-Borazaro-10-phenyl-phenanthren, 10-Phenyl-10,9-borazaro-phenanthren, 10-phenyl-9,10-azaboraphenanthrene, 6-Phenyl-5,6-dihydro-dibenz[1,2]azaborinin, 6-phenyl-5,6-dihydro-dibenz[1,2]azaborinine, 6-phenyl-5,6-dihydro-dibenzo[1,2]azaborinine, 9,10-Benzophenanthrene, 9,10-azabora-phenanthrene, Benzo[l]phenanthrene, EINECS 205-922-9, MFCD00001108, benzophenanthrene, isochrysene, triphenylene

Triphenylene (CAS 217-59-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H12 and a molecular weight of 228.288 g/mol. Key properties include a melting point of 195-198 °C(lit.), a boiling point of 425.0±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 209.1±13.7 °C. It is classified under GHS with signal word Danger and hazard statements H318 — Causes serious eye damage and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

217-59-4

Jingsj CID

J-27174-1

Molecular Formula

C₁₈H₁₂

Molecular Weight

228.288 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026