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Introduction: Methyl blue itself is a compound that is used as a biological stain and is often used as a disinfectant in medicine. Its appearance is a shiny reddish-brown powder that is extremely soluble in water, causing the water to appear blue. Because of the mild medicinal properties of methyl blue, it can be used for long-term medicated baths.

"Artificial dyes" are aniline dyes or coal tar dyes. There are many types and wide applications. Its disadvantage is that it is easy to fade when exposed to sunlight, and aniline blue, bright green, methyl green, etc. are more likely to fade. Avoid direct sunlight, and it will not fade for several years. Methyl blue (English Methylblue) is a weak acid dye, soluble in water and alcohol. Methyl blue is widely used in animal and plant production technology. Combined with eosin It can dye nerve cells, and is also an indispensable dye in bacterial preparations. The aqueous solution is a living dye for protozoa. Methyl blue is easily oxidized, so it cannot be stored for a long time after dyeing.

Biological Activity: Methylblue is a triaminotriphenylmethane dye. Methylblue is widely used as an antibacterial dye in polychromatic staining methods and in histological and microbiological staining solutions. Methylblue has been used as a model to study the effect of various catalysts on dye photodegradation.

Chemical Properties: Sparkling reddish-brown powder. It is easily soluble in cold and hot water and is blue. Dissolved in alcohol, it was greenish blue. It turns reddish-brown in case of concentrated sulfuric acid, and turns blue-purple when diluted.

Uses: Mainly used in the manufacture of pure blue and blue-black inks, and can also be used in the preparation of color lakes for blue ink pad ink. It can also be used for silk, cotton and leather dyeing and biological coloring, and can also be used as an indicator.

Uses: Mainly used to make pure blue ink and blue-black ink, and can also make lakes