Naphthol is chemically similar to phenol and can also undergo electrophilic substitution of the aromatic ring and reaction of the phenolic hydroxyl group. Naphthol differs from phenol in that its hydroxyl group can be substituted with an amino group to form naphthylamine. Naphthol can be coupled with diazonium salts, which is the basis of azo […]

Aniline, also known as aminobenzene, with molecular formula C6H7N, is a colorless oily liquid, decomposed by heating to 370℃. Slightly soluble in water, easily soluble in ethanol, ether and other organic solvents. Aniline is one of the most important amine substances. It is mainly used in the manufacture of dyes, drugs, resins, and also used […]

Caustic soda generally refers to sodium hydroxide, sodium hydroxide, inorganic compound, chemical formula NaOH, also known as caustic soda, caustic soda, solid soda, caustic soda, caustic soda. Sodium hydroxide is strongly alkaline and highly corrosive, and can be used as acid neutralizer, matching masking agent, precipitation agent, precipitation masking agent, color developer, saponification agent, peeling […]