a bitter, aromatic, colorless crystal, scaly or powder fragrant odor similar to vanilla, burning taste. Soluble in 95% alcohol, in ether, chloroform, slightly soluble in water. Toxic by ingestion. Obtained from Tonka beans and produces synthetically. Used as dyes and in laser dye as laser dye with the wavelength 430–530 nm. Also called benzopyrone, tonaka bean camphor and spelled cumarin. Oxazine 9.
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© 2009 Springer-Verlag Berlin Heidelberg New York
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(2009). coumarin. In: Manutchehr-Danai, M. (eds) Dictionary of Gems and Gemology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-72816-0_5257
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DOI: https://doi.org/10.1007/978-3-540-72816-0_5257
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-72795-8
Online ISBN: 978-3-540-72816-0
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