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Benzoin (/ ˈ b ɛ n z oʊ. ɪ n / or /-ɔɪ n /) is an organic compound with the formula PhCH(OH)C(O)Ph. It is a hydroxy ketone attached to two phenyl groups. It appears as off-white crystals, with a light camphor-like odor. Benzoin is synthesized from benzaldehyde in the benzoin condensation.
Benzoin, known as kemenyan, from Gombong, Central Java Benzoin street vendor in Tapanoeli Residency, North Sumatra. Benzoin / ˈ b ɛ n z oʊ. ɪ n / or benjamin (corrupted pronunciation) [1] is a balsamic resin obtained from the bark of several species of trees in the genus Styrax.
Benzoin (resin), a balsamic resin obtained from the bark of several species of trees in the genus Styrax; Benzoin aldolase, an enzyme that catalyzes the chemical reaction benzoin to benzaldehyde; Benzoin condensation, a reaction between two aromatic aldehydes; Benzoin odoriferum or Lindera benzoin, a shrub in the laurel family
In organic chemistry, the benzoin addition is an addition reaction involving two aldehydes (−CH=O). The reaction generally occurs between aromatic aldehydes or glyoxals ( OCH=CHO ), [ 1 ] [ 2 ] and results in formation of an acyloin ( −C(O)CH(OH)− ).
Tincture of benzoin is a pungent solution of benzoin resin in ethanol. A similar preparation called Friar's Balsam or Compound Benzoin Tincture contains, in addition, Cape aloes or Barbados aloes and storax resin. [1] [2] Friar's balsam was invented by the English doctor and MP Joshua Ward c. 1760. [3]
Lindera benzoin (commonly called spicebush, [2] common spicebush, [3] northern spicebush, [4] wild allspice, [5] or Benjamin bush) [2] is a shrub in the laurel family. It is native to eastern North America , growing in the understory in moist, rich woods.
Styrax (common names storax or snowbell [1]) is a genus of about 130 species of large shrubs or small trees in the family Styracaceae, mostly native to warm temperate to tropical regions of the Northern Hemisphere, with the majority in eastern and southeastern Asia, but also crossing the equator in South America. [2]
Benzoin tears look very different from other resins and appear to be small stones rather than the vegetable product that it is. [citation needed] Rashi writes that onycha was a root from the ground. Benzoin almonds do not resemble the resins they actually are but appear as a rough stony almonds.
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