苯酐又名邻苯二甲酸酐，英文简写为PA。呈白色鳞片状固体或粉末，或白色针状晶体，具有轻微的气味，比重1.527（4℃），熔点130.8℃，沸点284.5℃，易升华，稍溶于冷水，易溶于热水并水解为邻苯二甲酸，溶于乙醇、苯和吡啶，<img src="https://img-i-album.toocle.com/view/2024/11/05/3f/6729921e6033f.jpg" style="max-width:100%;"/><img src="https://img-i-album.toocle.com/view/2024/11/05/49/6729922ac7a49.jpg" style="max-width: 100%;"/>苯酐目前广泛应用于化工、医药、电子、农业、涂料、精细化工等工业部门。我国的苯酐主要用于生产邻二甲酸脂类增塑剂，耗用的苯酐约占苯酐总消费量的60%，染料和油漆占25%，不饱和树脂和其他产品占15%左右。苯酐是一种重要的有机化工原料，主要用于生产塑料增塑剂、醇酸树脂、染料、不饱和树脂以及某些医药和农药

<img src="https://img-i-album.toocle.com/view/2024/11/08/4b/672d8169a344b.png" style="max-width:100%;"/>优良的溶剂，用作金属表面处理剂，电镀、上漆前的清洁剂，金属脱脂剂和脂肪、油、石蜡的萃取剂。用于有机合成、农药的生产。三氯乙烯用于生产四氯乙烯可作为驱肠虫药;用于生产六氯乙烷，作为兽用驱虫药，来用防治反刍兽类肝蛭病及胃蛭病、睾吸虫病和线虫病。

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