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精萘只可以用来制作樟脑丸吗?

来源:http://www.jnjdbc.cn/ 日期:2023-11-14 发布人:admin
其实它就是一种萘的提纯物。根据萘纯度的不同,可以把它分为工业萘和精萘。工业萘纯度较低,一般约为96%。当把工业蔡进一步提纯,得到含萘98.45以上,而且结晶点不低于79.3C的萘产品时,我们把它叫做精萘。那么精萘是不是只可以用来制作樟脑丸呢?我们来简单介绍一下。
In fact, it is a purified substance of naphthalene. According to the purity of naphthalene, it can be divided into industrial naphthalene and refined naphthalene. The purity of industrial naphthalene is relatively low, generally around 96%. When industrial naphthalene is further purified to obtain naphthalene products containing over 98.45% naphthalene and with a crystallization point not less than 79.3C, we call it refined naphthalene. So can refined naphthalene only be used to make camphor balls? Let's give a brief introduction.
精萘是一种白色而且容易挥发的晶体,它是工业中重要的稠环芳烃,所以同样具有芳烃的性质,有一种温和不刺激的芳香气味。与之相反的,从煤焦油里面分离出来的粗萘却有一种煤焦油的臭味。精萘不溶于水,但是易溶于一些有机溶剂,比如无水乙醇、醚、苯等。精萘的稳定性也比较稳定,而且熔点在80.1℃,沸点在217.9C。这些理化性质,让它的用途相对来说比较广泛。
精萘厂家
Refined naphthalene is a white and easily volatile crystal, which is an important polycyclic aromatic hydrocarbon in industry. Therefore, it also has aromatic properties and a mild and non irritating aromatic odor. On the contrary, the crude naphthalene separated from coal tar has a foul smell of coal tar. Refined naphthalene is insoluble in water, but it is easily soluble in some organic solvents, such as anhydrous ethanol, ether, benzene, etc. The stability of refined naphthalene is also relatively stable, with a melting point of 80.1 ℃ and a boiling point of 217.9C. These physical and chemical properties make its use relatively broad.
精萘主要用于制造染料的中间体,尤其被人熟悉的是可以用来制作樟脑丸。当然,除了制作樟脑丸外,它还是皮革的重要制作原料。它还可以用作木材保护剂等。精萘也常常用于医药领域,比如生产1-萘酚、2-萘酚和甲萘胺等等。所以我们前面提到的,精萘是不是只可以制作樟脑丸,答案是否定的。
Refined naphthalene is mainly used as an intermediate in the production of dyes, especially in the production of camphor balls. Of course, in addition to making camphor balls, it is also an important raw material for leather production. It can also be used as a wood protectant, etc. Refined naphthalene is also often used in the pharmaceutical field, such as in the production of 1-naphthol, 2-naphthol, and methylnaphthylamine. So, as we mentioned earlier, can refined naphthalene only be used to make camphor balls? The answer is no.
当然,精萘的很多用途还有待开发。因为精萘是从石油中提取出来的,属于低毒类的物质,我们在使用精萘的过程中,也要注意呼吸系统防护,佩戴过滤式防毒面具等。
Of course, many uses of refined naphthalene still need to be developed. Because refined naphthalene is extracted from petroleum and belongs to the low toxicity category, we should also pay attention to respiratory protection and wear filtered gas masks when using refined naphthalene.
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