Quinoline (CAS NO 91-22-5)
Introduction:
Quinoline, also known as benzopyridine or azaphthalene, is a compound in which pyridine is connected in parallel with benzene and is a heterocyclic aromatic organic compound. It is a colorless hygroscopic liquid with strong odor at normal temperature. When exposed to light, it will gradually turn pale yellow and further turn brown. The molecular formula is C9H7N, slightly soluble in water, soluble in ethanol, ether and many other organic substances. The solvent is present in coal tar and bone tar, and the crude quinoline made from coal tar contains about 4% isoquinoline.
Quinoline can be used as solvent. Determine the refractive index of the mineral. The vanadate and arsenate are separated. Characterize lignin. The crystallization method was used to determine arsenic acid. Precipitant for zirconium, hafnium, yttrium, lanthanum, cerium and lanthanum Tests of ruthenium, osmium, nickel, iridium, titanium, platinum, palladium, rhodium, iridium and gold. Organic Synthesis. Dye manufacturing. Pharmaceutical antimalarial drugs. Specimen preservation.
About us
Xiaoyi Jinjing Chemical founded in 2006,which has produced coal chemical products more than 12 years.
With the support of the favorable policies of the national coal chemical industry structure adjustment, the independent R & D as the guide, integrating and drawing on the advanced technical experience of the same industry in China, Jinjing Chemical has developed and improved a lot. Based on the original coal tar roughing process, Jinjing Chemical conducts technical research and equipment reform, has obtained development of washing oil continuous deep-processing technology, and has been issued two Patent Certificates by the State Intellectual Property Office, so that Jinjing Chemical became the first enterprise in Shanxi province with the core independent intellectual property rights of Washing Oil Refinery and Deep-processing.
In 2012 successfully developed a continuous deep processing of washing oil technology, to achieve the deep processing of coal tar three. In 2015 the company pioneered the development of industrial fluorene deep processing technology, in the end of 2016 successfully developed 9-fluorenone, 9-fluoren methanol, bisphenol fluorene fluorene series of polymer intermediates products, to fill the coal chemical fluorene products blank.
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