Shandong Weijin Chemical Technology is dedicated to the production, R&D pin A comprehensive company selling in one; The company is located in Zibo, a beautiful and rich city in Shandong Province, and has been established nationwide
With multiple branches and strong capital and R&D strength, the company is a key supporting enterprise in Zibo City; Since its establishment, the company has always adhered to the management principle of talent orientation, integrity, small profits and quick turnover
We will gather the elites in the industry, combine the advanced management methods and enterprise experience abroad with the specific reality of domestic enterprises, provide integrated raw material procurement solutions for manufacturing enterprises, and
Our products and considerate services have quickly opened up the market and won high praise in the industry; The company has a reasonable talent structure, with many doctors as the main technical backbone, and has advanced and intermediate technologies of master and bachelor
More than 20 employees with professional titles, 50000 square meters of dangerous chemicals warehouse, and more than 30 dangerous chemicals truck Vehicles. With better products, better services and better reputation, Shandong Weijin Chemical Technology Co., Ltd
The limited company's business has spread to Shandong, Hebei, Henan, Jiangsu, Inner Mongolia, Anhui, Zhejiang, Shanxi, Shaanxi, Hubei and other places, completing the establishment of good cooperation relations and raw material supply for many large enterprises
Be willing to be your reliable long-term partner. Shandong Weijin Chemical Closely unite around the leadership of the Party, closely follow the correct line of the country, put forward in the country, green water green Mountain is the inspiring slogan of Jinshan and Yinshan door The environmental self inspection shall be carried out immediately and strictly Get off the horse, get off the machine, get off the machine, get out the determination to burn the hatchet, strictly reduce emissions, and finish ahead of time It has become energy-saving and emission reduction, safety self inspection, and achieved satisfactory results and effects! Next, the national environmental protection team will strictly inspect We passed the test successfully and received unanimous praise and affirmation from leaders! Once again, our national environmental protection renovation Stand out in the whole production and stand in the forefront of the chemical industry!
All societies: Throughout the history of human society, the world economy thrives when it is open, and declines when it is closed. Chemical industry needs more countries Efforts should be made to reduce the "border" and "post border" barriers that restrict the flow of factors, and promote cross-border connectivity. China will continue to unswervingly expand its openness to the outside world, and establish and improve cross-border service trade The face list management system will promote the construction of an open platform for the innovative development pilot of service trade, continue to relax market access for the service industry, and actively expand the import of high-quality services. China will be more adaptable to service trade Development needs, promote the coordination of service rules at multilateral and regional levels, constantly improve the economic governance of most countries, and promote inclusive growth of the world economy. Second, jointly activate cooperation led by innovation Kinetic energy. All societies: We should comply with the development trend of digitalization, networking and intelligence, work together to eliminate the "digital divide" and boost the digitalization process of service trade. Since Shandong Weijin Chemical Technology Co., Ltd. has been carrying out foreign trade business in response to the call of the Party, foreign trade business now accounts for a large proportion of the company's business, and the proportion is increasing.
xylene (dimethylbenzene) is a compound of agricultural production system, with the molecular formula of C8H10, which is a colorless transparent liquid benzene The two hydrogen substituted products on the ring have three isomers, namely, ortho, meta and para isomers. In industry, xylene refers to the mixture of the above isomers.
Product introduction:
Chinese name m-xylene
English name m-Xylene
CAS 108-38-3
EINECS 203-576-3
Chemical formula C8H10
Molecular weight 106.16
Density 0.864g/ml
Melting point - 48 ℃
Boiling point 138-139 ℃
Flash point 25 ℃
Used as raw materials for spices, pesticides and medicines
It is widely used as solvent in paint, resin, dye, ink and other industries; Used as synthetic monomer or solvent in medicine, pesticide and other industries; It can also be used as a component of high octane gasoline, and is an important raw material for chemical industry in agricultural production system. It can also be used to remove asphalt from car bodies. The Pathology Department of the hospital is mainly used for preparation, transparency and dewaxing of sections.
Industrial o-xylene is used as raw material. First, it is washed with industrial * * * until the acid layer is colorless. Then, it is washed with 10% sodium hydroxide solution and water until it is qualified. After separating the water layer, it is dried with anhydrous calcium chloride. Then, it is rectified. After the distillate is clear, the middle distillate is collected, which is pure.
