benzoin


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Related to benzoin: Benzil, Benzoin resin

benzoin

(bĕn`zoin, –zōĭn) or

benzoinum

(bĕnzoin`əm), balsamic resinresin,
any of a class of amorphous solids or semisolids. Resins are found in nature and are chiefly of vegetable origin. They are typically light yellow to dark brown in color; tasteless; odorless or faintly aromatic; translucent or transparent; brittle, fracturing like glass;
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, the dried exudation from the pierced bark of various species of the benzoin tree (Styrax) native to Sumatra, Java, and Thailand; appearing as red-brown to yellow-brown tears. Because of its fragrant odor it is used in perfume and sometimes in incense. The benzoic acid present in it gives it value in medicine as an antiseptic, as a stimulant, and, in certain respiratory diseases, as an inhalant. Among the several varieties are Siam benzoin and Sumatra benzoin. Siam benzoin is considered finer, since it has a high content of benzoic acid; Sumatra benzoin contains cinnamic acid.

benzoin

[′ben·zə·wən]
(materials)
A balsamic resin obtained from trees of the genus Styrax; used as an expectorant, as an inhalant in respiratory tract inflammations, and as an antiseptic. Also known as benjamin gum; benzoinam; gum benzoin.
(organic chemistry)
C14H12O2I An optically active compound; white or yellowish crystals, melting point 137°C; soluble in acetone, slightly soluble in water; used in organic synthesis.
References in periodicals archive ?
Flow agents and benzoin are usually added to the coating in order to promote the evaporation of water.
GAA and Cr+Crn in the filtrates were then determined according to a previously described method for the determination of GAA in dried-blood spots based on automated precolumn derivatization with benzoin, chromatographic separation, and fluorometric detection (16).
Bio-occlusive dressings Tape Syringes Benzoin Nonsterile and sterile gloves Protective eye goggles Artificial tears Yankauer and lOF and 14F suction catheters Temperature strips Crystalline II; Sham, Tampa, Fla.
29 [pounds sterling], two patches), while Relaxing Rub -- a blend of lavender, lemon grass, bergamot and benzoin pure essential oils -- is for massaging into the stomach or back (3.
It also stated that the surfactant, when used as an alternative to benzoin, is effective at a lower use level than benzoin, and will not contribute to yellowing of the finished powder coating in high-temperature environments.
The benzoin causes the tights to stick to the skin, and the shoe then rubs against the tights; some people also believe that benzoin thickens the skin.
Background and Development II-10 Michael Faraday Discovers "Bicarburet of Hydrogen" II-10 Laurent Suggests the Name "Pheno" II-10 "Benzin" Isolated from Gum Benzoin by Mitscherlich II-10 Hoffman Isolates "Benzene" from Coal II-10 The Bonding Enigma II-10 Kekule Proposes the Hexagonal Structure II-10 Other Theories Proposed II-11 Twentieth Century - A New Dawn for Benzene II-11 Benzene Finds Use in Gasoline Blending II-11 Linus Pauling's Hybrid Structure of Benzene II-11 Benzene Gains Wide Acceptance in the Chemical Industry II-11 Benzene - The Champion Aromatic II-11
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Sprengel), swampbay (Persea palustris (Rafinesque) Sargent), sassafras (Sassafras albidum (Nuttall) Nees), northern spicebush (Lindera benzoin (L.
The Fragrance Foundation recently awarded its 2013 Indic Award to Amber Dud by Kilian, a 2012 unisex scent that features notes of amber, oud, benzoin, Atlas cedar, vanilla and spices.
PTFE coated waxes, for example, allow for a reduction in the total amount of PTFE needed in a formulation to achieve the same scratch and abrasion resistance, while diamond coated waxes provide outstanding surface hardness, benzoin coated waxes improve the degassing of powder coatings and reduce yellowing, and silica coated waxes achieve matting at lower levels of silica.
A fruity floral scent, at its heart it has a "prism of energy", a fusion of amber, benzoin and white musk.