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CAS 3875-68-1

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1,3-dihydroxy-9H-xanthen-9-one

Description:
1,3-Dihydroxy-9H-xanthen-9-one, also known as fluorescein, is an organic compound characterized by its xanthene structure, which features a fused ring system. This compound is notable for its vibrant fluorescent properties, making it widely used as a fluorescent dye in various applications, including biological imaging and as a tracer in fluid dynamics. It typically appears as a yellow-green powder or crystalline solid and is soluble in water and organic solvents. The presence of hydroxyl groups at the 1 and 3 positions contributes to its solubility and reactivity, allowing it to form various derivatives. In terms of stability, it is generally stable under normal conditions but can degrade under extreme pH or light exposure. Its fluorescence can be influenced by environmental factors such as pH and solvent polarity, making it a valuable tool in scientific research for visualizing biological processes and studying molecular interactions.
Formula:C13H8O4
InChI:InChI=1/C13H8O4/c14-7-5-9(15)12-11(6-7)17-10-4-2-1-3-8(10)13(12)16/h1-6,14-15H
SMILES:c1ccc2c(c1)c(=O)c1c(cc(cc1o2)O)O
Synonyms:
  • 9H-xanthen-9-one, 1,3-dihydroxy-
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