Methylene blue Detailed introduction:
Molecular Formula: C₁₆H₁₈ClN₃S
Molecular Weight: 373.9
Cas No.: 7220-79-3
Test of ethanol solution
Loss of Dry
Methylene blue Can be used to make ink and lake and biological, bacterial tissue dyeing and so on.and ZnCl2 made of salt,
can be used for cotton, linen, silk fabrics, paper dyeing and bamboo, wood coloring.It can also be mixed with crystal violet and yellow dextrin to 78: 13: 9 ratio of mixed into alkaline blue.Medical care
Methylene blue because of the reduction, the injection is used to treat methemoglobinemia. Also used to rescue nitrobenzene, nitrite and cyanide poisoning. For mild poisoning of carbon monoxide can be intravenous methylene blue for detoxification. Clinical treatment of sulfa allergy.
Because of its role in sterilization, oral methylene blue or rinse with its solution can cure cystitis and urethritis. In addition, methylene blue in the human body into the 30 minutes (injection) to a few hours (oral) will be discharged from the urine, resulting in urine temporarily blue, it is also used for renal function determination.
Ornamental fish culture, 0.1-0.2ppm methylene blue solution is also used as disinfection, or treatment of white spots and other diseases.
Analysis and identification
In chemical experiments, the analysis of pure methylene blue can be used as chemical agents in the adsorption indicator, can also be used to precipitate perchlorate and rhenate, catalytic photometric determination of selenium and molybdenum. 
At the same time, methylene blue also has oxidative properties, can oxidize some of the reducible substances, such as glucose or zinc, itself is reduced to colorless reduced methylene blue (some called methylene white). After being reduced, the reduced state of methylene blue will have a certain degree of reduction, can be some oxidizing substances, such as oxygen in the air oxidation, and the formation of oxidation state of blue methylene blue. Thus methylene blue can be used for oxidation-reduction titration, and can also be used to demonstrate the oxidation-reduction oscillatory reaction, most typically the blue bottle experiment.
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Product Categories : Inorganic Chemicals