Lapachol
Chemical compound / From Wikipedia, the free encyclopedia
Lapachol is a natural phenolic compound isolated from the bark of the lapacho tree.[3] This tree is known botanically as Handroanthus impetiginosus, but was formerly known by various other botanical names such as Tabebuia avellanedae.[4] Lapachol is also found in other species of Handroanthus.
Quick Facts Names, Identifiers ...
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Preferred IUPAC name
2-Hydroxy-3-(3-methylbut-2-en-1-yl)naphthalene-1,4-dione | |
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ECHA InfoCard | 100.001.421 |
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Properties | |
C15H14O3 | |
Molar mass | 242.27 |
Appearance | Yellow crystals |
Melting point | 140 °C (284 °F; 413 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Lapachol is usually encountered as a yellow, skin-irritating powder from wood. Chemically, it is a derivative of vitamin K.[5]
Once studied as a possible treatment for some types of cancer, it is now considered too toxic for use.[6][7][8][9]