2,3-ジメチルフェノール 化學(xué)特性,用途語,生産方法
外観
白色～黒褐色, 結(jié)晶～結(jié)晶性粉末又は塊
溶解性
水に難溶, エタノール, エーテルに易溶。エタノール及びアセトンに溶けやすく、水にほとんど溶けない。
用途
ワイヤーエナメル用溶剤、消毒薬(クレゾール)成分、繊維助剤?浮遊選鉱剤?ホルマリン樹脂?可塑剤?染料の原料、醫(yī)薬?レジスト用樹脂原料
化學(xué)的特性
brown crystalline solid. Slightly soluble in water, soluble in most organic solvents and alkali solutions.
使用
2,3-Dimethylphenol is used for organic synthesis. It is used as the hardener to produce industrial furane, the raw material of producing xylenol specialized product and the assistant of the main raw material of detergent.
製造方法
2,3-Dimethylphenol is obtained by diazotization and hydrolysis of 2,3-xylidine.
一般的な説明
2,3-dimethylphenol appears as colorless crystalline solid or brown chunky solid. Taste threshold concentration 0.03 mg/L. Odor threshold concentration 0.5 mg/L. (NTP, 1992)
空気と水の反応
Hygroscopic. Insoluble in water.
反応プロフィール
Solutions of 1-Hydroxy-2,3-dimethylbenzene in water, DMSO, 95% ethanol or acetone should be stable for 24 hours under normal lab conditions. 1-Hydroxy-2,3-dimethylbenzene is incompatible with bases, acid chlorides, acid anhydrides, and oxidizing agents. 1-Hydroxy-2,3-dimethylbenzene corrodes steel, brass, copper, and copper alloys.
火災(zāi)危険
Flash point data for 1-Hydroxy-2,3-dimethylbenzene are not available. 1-Hydroxy-2,3-dimethylbenzene is probably combustible.
安全性プロファイル
Poison bj 7 intravenous .
route. When heated to decomposition it
emits acrid smoke and irritating fumes. See
also other xylenol entries.
純化方法
Crystallise 2,3-xylenol from aqueous EtOH. [Beilstein 6 IV 3096.]
2,3-ジメチルフェノール 上流と下流の製品情報
原材料
準(zhǔn)備製品