己二酸
己二酸
产品特性
己二酸俗称肥酸,又称己烷二羧酸,分子式为C6H10O4,分子量146.14。常温下为单斜晶体。熔点152℃,沸点337.5℃,相对密度1.366。溶于乙醇、乙醚、丙酮等,成品己二酸是白色、结晶型、无嗅的固体。在空气中具有良好的稳定性,微溶于水,易溶于酒精、乙醚等大多数有机溶剂,具有脂肪族二元酸的通性,包括成盐反应、酯化反应、酰胺化反应等,并能与二元胺缩聚成高分子聚合物。
产品用途
己二酸可同多官能团的化合物进行缩合反应,如己二胺。工业上,利用己二酸同己二胺的苏荷反应生产尼龙66盐(简称AH盐),尼龙66盐进一步缩聚即可得到尼龙66树脂。此外,己二酸还可同醇类反应生产己二酸酯,用作增塑剂、合成润滑剂和聚酯多元醇等产品,可用于各种食品和饮料的酸味剂。由于己二酸不潮解,特别适用于干的食品,能贮存较长时间。
产品性能
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己二酸 | 己二酸 产品特性 己二酸俗称肥酸,又称己烷二羧酸,分子式为C6H10O4,分子量146.14。常温下为单斜晶体。熔点152℃,沸点337.5℃,相对密度1.366。溶于乙醇、乙醚、丙酮等,成品己二酸是白色、结晶型、无嗅的固体。在空气中具有良好的稳定性,微溶于水,易溶于酒精、乙醚等大多数有机... |
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