Jinan Hao Jing Chemical Co., Ltd. sells and wholesales solvents, plasticizers, release agents, daily chemicals and paraffin wax in the best-selling consumer market, enjoying a high status among consumers. The company has established long-term and stable cooperative relations with many retailers and agents. Jinan Hao Jing Chemical Co., Ltd. distributes various solvents, plasticizers, release agents, daily chemicals and paraffin wax at reasonable prices. Jinan Hao Jing Chemical Co., Ltd. has strong strength, attaches great importance to credit, abides by contracts and ensures product quality, and has won the trust of our customers with the characteristics of multi-variety operation and the principle of small profits but quick turnover.
Jinan Xinwo Chemical Co., Ltd. sells and wholesales solvent oil and plasticizer, which enjoys a high status among consumers. The company has established long-term and stable cooperative relations with many retailers and agents. Jinan Xinwo Chemical Co., Ltd. distributes solvent oil and plasticizer with complete varieties and reasonable prices. Jinan Xinwo Chemical Co., Ltd. has strong strength, attaches great importance to credit, abides by contracts and ensures product quality, and has won the trust of our customers with the characteristics of multi-variety operation and the principle of small profits but quick turnover.
Jinan Mingxin Chemical Co., Ltd. is located at No.531on the north side of the fifth floor of Jinan tianqiao district office building. Welcome to know the specific business on the spot. The company's main business or service scope is other synthetic resins, chlorides, nitrates, aromatics, antifogging agents, oleic acid, curing agents, anhydrides, phosphates, esters, citric acid, other inorganic salts, lubricating oil additives, magnesia, fuel additives and plasticizers.
Zibo Xinrong Chemical Technology Co., Ltd. is a newly established joint-stock company engaged in chemical technology research and development, service and chemical management. Mainly carry out the research and development of environmental-friendly basic chemical raw materials and production technology, reduce the production cost of enterprises, and produce and operate zinc stearate, cyclopentane, glacial acetic acid, triethylamine, monomethylamine, isopropylamine, dimethyl carbonate, petroleum ether, solvent oil, n-butanol and dimethyl carbonate.
Dongying Nuoer Chemical Co., Ltd. is a modern high-tech enterprise focusing on research and development of sewage treatment agents and papermaking additives, integrating science, industry and trade. Founded in 1997, the company is located in Guangrao, the hinterland of the vast and beautiful Yellow River Delta and the hometown of Sun Wu, the author of the Art of War. It is adjacent to Shengli Oilfield, the second largest oil field in China in the north, adjacent to Dong Qing, Binbo and Qing Ji expressways, and only 200 kilometers away from Jinan, the provincial capital, and Qingdao Port, with convenient transportation and superior geographical position. The company is committed to the research, development and sales of sewage treatment agents and papermaking retention AIDS.
Extended data 1, physical and chemical properties of xylene
Xylene is a colorless and transparent liquid; It is the product that two hydrogens on benzene ring are replaced by methyl groups, and there are three isomers: ortho, meta and para. In industry, xylene refers to the mixture of the above isomers.
2, the characteristics of xylene
Colorless transparent liquid. It has a special aromatic hydrocarbon smell. It is a mixture of 45% ~ 70% m-xylene, 15% ~ 25% p-xylene and 10% ~ 15% o-xylene. Easy to flow, can be mixed with anhydrous ethanol, ether and other organic solvents.
Xylene is irritating and flammable, can be mixed with ethanol, chloroform or ether at will, and is insoluble in water. The boiling point is 137 ~ 140℃. Xylene is a low-toxic chemical substance, which was listed as A4 by the American government conference of industrial hygienists, that is, a substance lacking evidence of carcinogenicity to humans and animals. Additives for plastics, fuels, rubber, various paints, adhesives and waterproof materials, and combustion gases generated by fuels and tobacco leaves.
3, the use of xylene
Widely used as a solvent in coatings, resins, dyes, inks and other industries; Used in medicine, explosives, pesticides and other industries as synthetic monomers or solvents; It can also be used as a component of high octane gasoline and an important raw material for organic chemical industry. It can also be used to remove asphalt from car bodies. The hospital pathology department is mainly used for the transparency and dewaxing of tissues and sections.
Using industrial o-xylene as raw material, washing with industrial concentrated sulfuric acid until the acid layer is colorless, then washing with 10% sodium hydroxide solution and water in turn until it is qualified, separating the water layer, drying with anhydrous calcium chloride, rectifying, clarifying the distillate, and collecting the intermediate fraction, which is the pure product.