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A very potent vascular constricting agent that is isolated from animal tissue. Serotonin, also called 5-hydroxytryptamine, can be used as a fluorochrome. It has a mean excitation wavelength of 400 nm (ultraviolet) and a mean emission wavelength of 530 nm (Wolbers et al., 1990).

Chemical structure


Synonyms and Related Terms

5-hydroxytryptamine; 5-hydroxy-3-(beta-aminoethyl)indole; serotonin (Dan., Sven.); Serotonin (Deut.); serotonina (Esp., Pol., Port.); sérotonine (Fr.); serotonine (Ned.);

Physical and Chemical Properties

Soluble in water, glacial acetic acid. Insoluble in absolute ethanol, acetone, chloroform, ether, benzene.

Composition C10H12N2O
CAS 50-67-9
Molecular Weight mol. wt. = 176.22

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Richard C. Wolbers, Nanette T. Sterman, Chris Stavroudis, Notes for Workshop on New Methods in the Cleaning of Paintings, J.Paul Getty Trust, Los Angeles, 1990
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 8607
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998