Rhodamine B
Type of compound: Rhodamine B is a synthetic xanthene dye, commonly used for coloring and fluorescence applications.
Chemical formula: C₂₈H₃₁ClN₂O₃ Fluorescent property: Rhodamine B exhibits strong pink fluorescence under UV light, making it useful in microscopy, biotechnology, and tracer studies. Uses: As a fluorescent tracer in water flow and leak detection studies. In biological staining to visualize cells and tissues.
As a colorant in textiles, cosmetics, and inks (though restricted in food and cosmetics due to toxicity).
Toxicity: Rhodamine B is toxic and potentially carcinogenic. It is not permitted in food products or items that come into direct contact with humans.
Environmental concern: Improper disposal of Rhodamine B can pollute water bodies, posing risks to aquatic life.
Regulations: Many countries, including India, have banned or restricted its use in food and cosmetics due to health hazards.
Detection: It can be detected using spectrophotometry, chromatography, or fluorescence spectroscopy.