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萘是晶体还是非晶体?,

来源:http://www.jnjdbc.cn/ 日期:2023-02-25 发布人:admin
(1)萘是无色片状晶体,熔点80.5℃,沸点218℃,有特殊的气味,易升华。
(1) Naphthalene is a colorless flaky crystal with a melting point of 80.5 ℃ and a boiling point of 218 ℃. It has a special smell and is easy to sublimate.
(2)不溶于水,易溶于热的乙醇和乙醚。
(2) Insoluble in water, soluble in hot ethanol and ether.
(3)萘是重要的化工有机原料,也常用作防蛀剂。
(3) Naphthalene is an important chemical organic raw material, and is also commonly used as a mothproof agent.
晶体特征:
Crystal characteristics:
(1)在加热过程中,固态的萘温度逐渐升高,开始熔化;
精萘厂家
(1) During the heating process, the temperature of solid naphthalene gradually increased and began to melt;
(2)熔化过程,在这个过程中虽然继续加热,但是温度不变,这个温度就是萘的熔点,萘的熔点是80℃;
(2) In the melting process, although the heating continues, the temperature remains unchanged. This temperature is the melting point of naphthalene, which is 80 ℃;
(3)继续加热,萘熔化完毕,液态萘随着加热将继续升温。
(3) Continue heating, naphthalene will melt, and liquid naphthalene will continue to heat up with heating.
主要用途:
Main purpose:
(1)萘是工业上最重要的稠环烃,主要用于生产苯酐;各种萘酚;萘胺等,是生产合成树脂;增塑剂;染料的中间体;表面活性剂;合成纤维;涂料;农药;医药;香料;橡胶助剂和杀虫剂的原料。
(1) Naphthalene is the most important polycyclic hydrocarbon in industry, mainly used for the production of phthalic anhydride; Various naphthols; Naphthylamine is used to produce synthetic resin; Plasticizer; Dye intermediates; Surfactant; Synthetic fiber; Paint; pesticides; Medicine; Spices; Raw materials for rubber additives and pesticides.
(2)用于制造染料中间体、樟脑丸、皮革和木材保护剂等。
(2) It is used to manufacture dye intermediates, camphor balls, leather and wood protectants, etc.
此文关键词:精萘厂家 

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