Methylene Blue
CAS number:61-73-4
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Molecular Formula:
C16H18N3S.Cl / C16H18ClN3S
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Molecular Weight:
319.9 g/mol
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Brief Introduction:
Methylene Blue (MB) is a widely used organic chloride dye with a molecular formula of C16H18N3ClS and a molecular weight of 319.85 g/mol. It has remarkable color characteristics and multiple applications. MB is not only used for dyeing silk, wool, cotton and paper, but also used as a redox indicator, antibacterial agent, antimalarial drug and antioxidant due to its unique chemical properties. MB has high solubility in water, can form a stable solution, and exhibits specific behavior in photocatalytic degradation, generating singlet and triplet species by absorbing light with a wavelength of 500-700 nm, and then undergoing self-decomposition. In recent years, research on MB photodegradation has been increasing, especially in the application of nanocatalytic materials. In addition, the adsorption removal technology of MB has also received widespread attention. Studies have shown that polymer nanocomposites and hydrogel nanocomposites as adsorbents exhibit excellent adsorption performance for MB, thanks to their high adsorption capacity and synergistic enhancement effect.
Dyes and Stains
Methylene Blue is commonly used as a dye, particularly in biological and medical applications, such as staining tissue samples for microscopy.
Redox Indicators
It is used as an indicator in redox titrations because it changes color depending on its oxidation state (blue when oxidized, colorless when reduced).
Antiseptics and Antimalarials
In medical contexts, Methylene Blue has been used as an antiseptic and as a treatment for conditions like methemoglobinemia and malaria.
Organic Compounds
It belongs to the class of organic compounds known as phenothiazines. It has a heterocyclic structure with nitrogen atoms and is a thiazine dye.
Pharmaceutical Compounds
It is used in medicine for various therapeutic purposes, including as a treatment for cyanide poisoning and as a diagnostic tool.
Biochemical Stains
Methylene Blue is utilized in biochemical research for staining proteins and other cellular components.
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