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癸二酸
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癸二酸(英文名称Decanedioicacid)又名正癸二酸(n-decanedioicacid)1,10-癸二酸(1,10-decanedioic acid),1,8-辛二甲酸(1,8-octanedicarboxyli cacid),皮脂酸(Sebacicacid)。癸二酸属于脂肪族二元酸,存在于烤烟烟叶、白肋烟烟叶、香料烟烟叶中。室温下癸二酸为白色片状结晶,工业品略带黄色。微溶于水,难溶于苯、石油醚、四氯化碳,易溶于乙醇和乙醚。癸二酸可燃,低毒。口服有害,对眼睛、呼吸系统及皮肤有刺激性作用。以天然的蓖麻油或已二酸单酯为原料制取,主要用来制取癸二酸的酯类,其酯类的用途广泛。癸二酸的分子式为C10H18O4,化学结构式为HOOC(CH2)8COOH。
中文名:癸二酸
英文名:Decanedioicacid
别称:皮脂酸、1、8辛辛二甲酸
化学式:C10H1804
分子里:202.25
CAS登录号:111-20-6
EINECS登录号:203-845-5
水溶性:微溶于水,难溶于苯、石油醚、四氯化碳,易溶于乙醇和乙醚。
外观:室温下癸二酸为白色片状结晶,工业品略带黄色。
沸点:760mmHg(℃)374.3 13.3kPa 294.5
熔点:(℃)130-134.5
闪点:℃(封闭式)220
密度:g/mL(20℃)1.2705
折射率:nD1341.422
蒸汽压:mmHg(25°C)1.24E-06
溶解性能:微溶于水(1g癸二酸溶于700ml水或60ml沸水),难溶于苯、石油醚、四氯化碳,易溶于乙醇和乙醚。
稳定性:稳定
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Products are widely used in various industries and sectors of the national economy such as petrochemicals, energy and power, metallurgical mines, military ships, urban and rural water affairs, agricultural irrigation, etc., providing a large number of pumping equipment for the country's economic construction and making due contributions.
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