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|Chemical Name:||3-Aminophthalhydrazide||CAS No:||521-31-3|
|Molecular Formula:||C8H7N3O2||Molecular Weight:||177.16|
Criminal Investigation 3-Aminophthalhydrazide,
Desheng has good quality in lumiluo,CAS521-31-3,3-Aminophthalhydrazide
Luminol, also known as luminol, 3-aminobenzoylhydrazide. It is a kind of yellow crystal or beige powder at room temperature, which is a relatively stable chemical reagent.
|Melting point||> 300 ° C (lit.)|
|Boiling point||309.07 ° C (rough estimate)|
|Density||1.3393 (rough estimate)|
|Storage conditions||0-6 ° C, solubility in water, solubility in ethanol, base|
|Water solubility||< 0.1g/100mlat19 ° C|
|maximum wavelength (λ max)||425nm|
Luminol is widely used in criminal investigation, bioengineering, chemical tracing and other fields. In forensic medicine, luminol reaction plays an important role. It is often used to detect bloodstains at the scene of homicide. Luminol reaction is also called aminobenzoyl callose reaction, which can identify bloodstains after scrubbing or after a long time. Biologically, luminol is used to detect the presence of copper, iron and cyanide in cells.
Luminol reaction is a classical chemiluminescence reaction, which is different from fluorescence. The source of luminescence is the excited state intermediate produced in the chemical reaction, which releases blue light when it returns to the ground state.
Luminol can react with hydrogen peroxide and other oxidants in alkaline environment to obtain luminescent intermediates. This reaction usually requires the catalysis of transition metal salts, such as iron, copper or cobalt. When it is used to detect blood stains, iron in blood is used to catalyze the reaction. It is easily soluble in lye, soluble in dilute acid, almost insoluble in water, insoluble in alcohol. Neutral or light acid solution shows strong bright blue fluorescence when exposed to ultraviolet light.
Hubei xindesheng, founded in 2017, is a new technology-based enterprise established on the basis of Wuhan Desheng Biochemical Technology Co., Ltd. (2005), specializing in the R & D, production and sales of blood collection additives and blood test reagents.
We have accumulated rich knowledge and experience in the pretreatment of blood samples, and have the advantage of professional technical services. Among them, "a method of one pot synthesis of luminol or isoluminol" won the invention patent certificate of the State Intellectual Property Office.
Desheng has many years of luminol production experience, stable production process, and the invention patent certificate issued by Desheng. What else can you hesitate about? Decisively choose Desheng, you will have unexpected surprise.
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