What color of powder is Luminol

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Luminol is a luminescent reagent widely used in fields such as trace detection and chemiluminescence experiments. Its unique fluorescence effect makes it an indispensable tool in scientific research and criminal investigation. But there are still many people in the market who have doubts about its color. Some people think it is white powder, while others think it is yellow powder. So what kind of color is it? Let's take a look together.


Luminol powder


The Chemiluminescence Structure of Luminol


The chemical name of Luminol is 3-aminobenzoyl hydrazine, which is an organic compound. Its molecular structure contains key structural units such as benzene ring and hydrazine group, and the specific arrangement of these structural units gives Lumino a unique color. In the Lumino molecule, the hydrazine group forms an intramolecular hydrogen bond with a carbonyl group on the benzene ring, which leads to the molecule emitting blue fluorescence under specific wavelength light excitation.


The Color Characteristics of Luminol


Luminol is a compound, and most of the powder sold on the market is yellow in color with a purity of over 98%. The presence of impurities may lead to a darker color. Therefore, control of the raw materials and synthesis process is crucial in the preparation of Luminol.


In addition, the solubility of luminol in water is relatively low, so auxiliary solvents such as sodium hydroxide (NaOH) are usually needed to dissolve when preparing luminol solutions. The solubility of luminol powder in different solvents may also cause color changes, but generally speaking, its aqueous solution color should be clear and free of any unknown impurities.


Application of Luminol Powder


1. Chemiluminescence immunoassay: In chemiluminescence immunoassay, luminol is used as a marker due to its excellent fluorescence performance. By binding to the target antibody or antigen, the complex labeled with luminol generates a light signal in a chemical reaction, which is then captured by the detection instrument. The blue fluorescence of luminol provides a highly sensitive and specific detection signal for analysis.


2. Biofluorescence labeling: In biological research, luminol is often used for biofluorescence labeling. For example, in fluorescence microscopy technology, researchers use luminol to stain cells, tissues, or biological samples in order to observe and track specific components or structures under a microscope. The blue fluorescence of Lumino makes these samples appear bright blue under blue light excitation, providing researchers with clear and accurate observation information.


3. Criminal Investigation: In the field of criminal investigation, luminol is used for blood testing. When luminol reacts with iron ions in the blood, it emits a strong fluorescence signal, revealing hidden blood traces in dark environments. Even cleaned blood traces can be detected.


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The color of Lumino powder is mainly influenced by the preparation process, however, its truly remarkable feature lies in its luminescent effect, which makes it have important applications in criminal investigation, chemiluminescence experiments, and other fields. Understanding its characteristics is beneficial for the performance of various experiments. As a manufacturer of chemiluminescent reagents, Desheng can supply luminol powder with a purity of over 98%, and it is easy to use. With professional one-on-one after-sales service guidance, any problems can be solved immediately. If you have any relevant intentions, please feel free to click on the website to inquire about details and purchase at any time!