Phenazine

Dibenzopyrazine. C ₁₂ H ₈ N ₂ (180.21). It is produced by heating o -phenylenediamine and catechol in a sealed tube, or by passing aniline vapor through a red-hot tube. Yellow-red needle crystals. Melting point 171°C, boiling point over 360°C. Soluble in hot ethanol, slightly soluble in ether, and sparingly soluble in water. Sublimable. There are various dyes with a phenazine skeleton, collectively known as azine dyes. [CAS 92-82-0]

Source: Morikita Publishing "Chemical Dictionary (2nd Edition)" Information about the Chemical Dictionary 2nd Edition

dibenzopyrazine．C₁₂H₈N₂(180.21)．o-フェニレンジアミンとカテコールとを封管中で加熱するか，アニリン蒸気を赤熱管に通してつくる．黄赤色の針状晶．融点171 ℃，沸点360 ℃ 以上．熱エタノールに可溶，エーテルに微溶，水に難溶．昇華性がある．フェナジン骨格をもつ染料がいろいろあり，アジン染料と総称される．[CAS 92-82-0]

出典　森北出版「化学辞典（第2版）」化学辞典 第2版について　情報