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o-phthalic anhydride
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o-phthalic anhydride
Encyclopedia
工学
邻二甲苯
释
o-phthalic anhydride
邻苯二甲酸酐
邻苯二甲酸分子内脱水形成的环状酸酐。简称苯酐。具有特殊气味的白色针状晶体,密度为1.53克/厘米3,熔点130.8℃,沸点284℃,闪点152℃。难溶于冷水,易溶于热水,易溶于乙醇、乙醚、苯等多数有机溶剂。可发生水解、醇解和氨解反应,与芳烃反应可合成蒽醌衍生物。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,广泛应用于化工、医药、电子、农业、涂料、精细化工等工业领域。
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