1 Extraction of fine chemicals and chemical raw materials, anthracene, phenanthrene, carbazole these three important chemical raw materials can not be easily and economically obtained from the petroleum industry, mainly rely on the extraction of anthracene oil. In addition, there are acenaphthene, fluorene and other substances in anthracene oil, and oxidized anthraquinone can be obtained in the process of anthracene oil processing. 2 Raw materials for the manufacture of coatings, electrodes, asphalt coke, carbon black, wood preservative oil and insecticides, etc., can be used for wood preservative and preparation. 3 After hydrofining, it is used to produce fuel oil. ...

Physical and chemical properties: Colorless to light yellow volatile, non-polar liquid. It has high refraction and strong aroma. Product use: It is used to extract pure benzene, pure toluene, xylene, trimethylbenzene, indene, oxyindene resin, etc ...

Alias zinc chloride powder; Zinc chloride; Anhydrous zinc chloride EINECS231-592-0 Chemical formula ZnCl2 Molecular weight 136.315 Density 1.01g/mLat20°C Melting point 293℃ Boiling point 732°C(lit.) Flash point 732°C Water soluble 432g/100mL(25℃) Properties white hexagonal granular crystal or powder. Purpose: Preparation of other zinc compounds: Zinc chloride can be used to prepare other zinc compounds, such as zinc hydroxide, zinc oxide and zinc sulfide. Battery manufacturing: Zinc chloride can be used to manufacture batteries, such as zinc-manganese batteries and zinc-air batteries. Dyes and pigments: Zinc chloride can be used in the manufacture of dyes and pigments, such as white dyes and pigments. Other Industrial applications: Zinc chloride can also be used as a catalyst and complexing agent in other industrial applications, such as rubber and metallurgy. ...

Zinc sulfate, chemical formula ZnS04, colorless rhombic substance, relative density 3.54. Heating to 770℃ decomposes into zinc oxide. The hydrate contains zinc sulfate monohydrate ZnS04:H20, a white powdery knot Crystal, the relative density is 3.31, heated to 280℃ water loss becomes anhydrous substance; Zinc sulfate ZnS04.6H20 hexahydrate, colorless monoclinic or tetragonal crystal, relative density of 2.07, lost when heated to 70℃ Remove 5 crystalline waters to become zinc sulfate monohydrate; Zinc sulfate ZnS04:7H20 heptahydrate, colloquial name opalum, zinc alum, is the most common one, colorless rhomboid crystal or white crystal powder, gradually weathering in dry air, the relative density is 1.96, 39℃ at the loss of 1 crystal water to become zinc sulfate hexahydrate. Zinc sulfate is easily soluble in water, aqueous solution is weakly acidic, soluble in glycerol, slightly soluble in ethanol, and potassium sulfate to form ZnSO4:K2SO4·6H20 type of double salt. Zinc sulfate heptahydrate can be obtained by dissolving gold zinc or zinc oxide in dilute sulfuric acid, concentrating and crystallizing at 30℃, and then rising to high temperature Degree, can obtain other kinds of zinc sulfate. ...

Storage condition: cool, dry and ventilated Purity specification :99% Product category: Hydroxide Color/Appearance: White grain Analytical pure: Analytical pure sodium hydroxide ...

Ammonium hydrogen fluoride is an inorganic compound with the formula NH4HF2, which is white or none Color transparent rhombic crystal system crystal, the product is flaky, slightly sour, corrosive, easy to damp A weak acid, easily soluble in water, slightly soluble in ethanol, heated or divided in hot water Solve. Mainly used as carved glass etcher, preservative, disinfectant, beryllium oxide to make beryllium metal Solvents, analytical reagents and surface treatment agents for silicon steel plates are also used in the manufacture of ceramics and aluminum Oxidizing agent of magnesium alloy, cleaning agent of steam generation system of boiler feed water system, organic synthesis Fluorinating agent, plating solution, reagent for extracting rare elements. ...

This product is industrial grade ammonium fluoride: Properties: colorless leaf or acicular crystal, sublimated to obtain hexagonal columnar crystal. Easy deliquescence. Soluble in water, aqueous solution is acidic. Soluble in alcohol, insoluble in acetone and liquid ammonia. Density 1.11g/ml at 20℃. Uses: glass etch agent, wood and wine preservatives, disinfectants, analytical reagents zirconium drop reagent and fiber mordant and rare element extraction reagent ...

Phosphorous acid 25kg/ bag white crystal Phosphorous acid is an inorganic compound with the formula H3PO3 and molecular weight of 82.00. Soluble in water and alcohol. Phosphorous acid is mainly used as a reducing agent, nylon whitening agent. Chinese name Phosphorous acid Chemical Formula H3PO3 Molecular weight 82.00 EINECS entry Number 237-066-7 Melting point 73.6℃ Boiling point 200℃ (decomposition) Water soluble soluble water density 1.651 (water =1) White or light yellow crystal, with garlic smell Dangerous goods Transport number UN 2834 8/PG 3 Physical and chemical properties: strong hygroscopicity and delixing, soluble in water and alcohol Production way: hydrolysis method is mainly used. Phosphorus trichloride (PCl3) is hydrolyzed, refined by steam, cooled and crystallized to remove hydrochloric acid and decolorize. Packing storage and transportation: three plywood drum for export packing, lined with two layers of polyethylene plastic bags, net weight 50kg per barrel. Polyethylene plastic drum for domestic packaging, net weight 30kg per barrel. Or iron drums lined with two layers of polyethylene plastic bags, net weight of 25kg per barrel. ...

Operation precautions: closed operation, pay attention to ventilation. Operation as mechanized and automated as possible. Operators must be specially trained and strictly abide by the operating procedures. It is recommended that operators wear a self-priming filter gas mask (full cover), rubber acid and alkali resistant clothing, and rubber acid and alkali resistant gloves. Keep away from flammable and combustible materials. Prevents steam from leaking into the workplace air. Avoid contact with alkalis. When handling, light loading and unloading should be done to prevent damage to packaging and containers. Equipped with leak emergency treatment equipment. Empty containers may have harmful residues. Storage precautions: Store in a cool, ventilated warehouse. Keep away from fire and heat. The temperature of the reservoir should not exceed 30℃. Keep the container sealed. It should be stored separately from easy (can) fuels and alkalis, and should not be mixed. The storage area should be equipped with leak emergency treatment equipment and suitable containment materials. Fluorosilicic acid manufacturers suppliers direct price, quality assurance, low price, spot sales, professional logistics. Fluorosilicic acid factory price sales ...

Anhydrous Ethanol (Ethanol absolute) refers to a higher purity of ethanol aqueous solution. Under normal circumstances, the concentration of 99.5% ethanol solution is generally called anhydrous ethanol, anhydrous ethanol is a mixture of ethanol and water. Function and use Ethanol is an important organic solvent, widely used in medicine, coatings, sanitary products, cosmetics, oils and other aspects, accounting for about 50% of the total consumption of ethanol. Ethanol is an important basic chemical raw material, used in the manufacture of acetaldehyde, ethylene, ethylamine, ethyl acetate, acetic acid, chloroethane, etc., and derived from medicine, dyes, coatings, spices, synthetic rubber, detergents, pesticides and other products of many intermediates, its products as many as 300 kinds, the use of ethanol as an intermediate of chemical products is gradually declining. Many products, such as acetaldehyde and acetic acid, no longer use ethanol as raw materials but other raw materials. 75% ethanol aqueous solution has a strong capacity and is commonly used as a disinfectant. Specially refined ethanol can also be used to make beverages. Like methanol, ethanol can be used as an energy source. Some countries have begun to use ethanol ...

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Sulfur dioxide (chemical formula: SO2), also known as sulfite anhydride, is the most common sulfur oxide, the main component of sulfuric acid feedstock gas. Sulfur dioxide is a colorless gas with a strong pungent odor and is one of the main pollutants in the atmosphere. The gas is emitted during volcanic eruptions, and sulfur dioxide is also produced in many industrial processes. Because coal and petroleum often contain sulfur compounds, sulfur dioxide is produced when burned. When sulfur dioxide dissolves in water, it forms sulfite (the main component of acid rain). ...