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First aid treatment for benzene poisoning_Kain Industrial Additive
Benzene is an excellent solvent with aromatic properties and is widely used in industry. However, it is toxic, so when used improperly or carelessly, it often causes poisoning to the user. Or harmful,…
Common chemical reactions of benzene_Kain Industrial Additives
Substitution reaction Main article: Substitution reaction, electrophilic aromatic substitution reaction The hydrogen atoms on the benzene ring can be substituted by halogen, nitro, sulfonic acid gro…
Laboratory separation method of toluene, aniline, phenol and benzoic acid_Kain Industrial Additive
Methods for separating toluene, aniline, phenol and benzoic acid First pass the mixture into NaHCO3 solution to separate benzoic acid. Then pass the NaOH solution to separate the phenol. By adding hyd…
Laboratory method for reacting sodium with phenol_Kain Industrial Additives
Phenol is an important benzene intermediate, also known as carbolic acid. It is a white crystal with a low melting point (40.91℃). It turns red when placed in the air and exposed to light. It has a sm…
Separation of mixtures of phenol and benzene and how to extract phenol from wastewater_Kain Industrial Additive
Extraction of phenol from wastewater Method 1: 1. Wastewater + benzene = benzene, phenol + wastewater — Filtration — 2. Phenol, benzene + Na OH = benzene + sodium phenolate—filtration— 3. Sodium pheno…
New solid acid catalyst Nafion/SiO2 synthesizes anisonitrile_Kain Industrial Additive
Nitrile spices are new spices developed in the past 20 years. In the perfume industry, the aroma and performance of nitrile compounds are better than those of corresponding aldehyde compounds. In addi…
Deep processing of star anise can produce anethole, anisyl alcohol and anisonitrile and other series of products_Kain Industrial Additives
Illicium anise is an evergreen tree plant of the Magnoliaceae family and can be used as medicine. In addition to being used as a condiment, star anise can be used in industry as a raw material for per…
Epoxy soybean oil acrylate_Kain Industrial Additive
Preparation of epoxy soybean oil acrylate Preparation of epoxy soybean oil acrylate photosensitive coating by half-ester modification method Epoxy soybean oil acrylate coatings are emerging Epoxy soyb…
Hydroquinone_Kain Industrial Additives
Hydroquinone is also known as hydroquinone (English: Hydroquinone), quinone, gallinol, 1,4-dihydroxybenzene, 1,4-benzenediol, In 1820, the world first used distillation to prepare hydroquinone from qu…
Uses of anhydrous acetonitrile_Kain Industrial Additives
Background and overview[1] Anhydrous acetonitrile is also called methylnitrile, cyanomethane, and Ethanenitrile. Colorless transparent liquid. Has an ether-like smell. Found in small amounts in coal t…
