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benzoic acid, 3,4,5-trihydroxy-
(Encyclopedia)benzoic acid, 3,4,5-trihydroxy-, IUPAC name for gallic acid. ...benzoic acid
(Encyclopedia)benzoic acid bĕnzōˈĭk [key], C6H5CO2H, crystalline solid organic acid that melts at 122℃ and boils at 249℃. It is the simplest aromatic carboxylic acid (see aryl group and carboxyl group). In ...benzoin
(Encyclopedia)benzoin bĕnzoinˈəm [key], balsamic resin, 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 ...acid anhydride
(Encyclopedia)acid anhydride ănhīˈdrīd, –drəd [key], chemical compound that reacts with water to form an acid (see acids and bases). Anhydrides of inorganic acids are usually oxides of nonmetallic elements. ...sodium benzoate
(Encyclopedia)sodium benzoate or benzoate of soda, chemical compound, C6H5CO2Na, colorless or white crystalline, aromatic compound; the sodium salt of benzoic acid. It is soluble in water and is used as a preservat...Wöhler, Friedrich
(Encyclopedia)Wöhler, Friedrich frēˈdrĭkh vöˈlər [key], 1800–1882, German chemist. He studied under the German chemist Leopold Gmelin and J. J. Berzelius, a Swedish chemist, and in 1836 was appointed profe...Cannizzaro, Stanislao
(Encyclopedia)Cannizzaro, Stanislao stänēsläˈō kän-nēt-tsäˈrō [key], 1826–1910, Italian chemist. From 1861 he was professor at Palermo and from 1871 at Rome, where he was also a member of the senate and...benzaldehyde
(Encyclopedia)benzaldehyde bĕnˌzēnkärˈbənəl [key], C6H5CHO, colorless liquid aldehyde with a characteristic almond odor. It boils at 180℃, is soluble in ethanol, but is insoluble in water. It is formed by ...balsam
(Encyclopedia)balsam bôlˈsəm [key], fragrant resin obtained from various trees. The true balsams are semisolid and insoluble in water, but they are soluble in alcohol and partly so in hydrocarbons. They contain ...food preservation
(Encyclopedia)food preservation, methods of preparing food so that it can be stored for future use. Because most foods remain edible for only a brief period of time, people since the earliest ages have experimented...Browse by Subject
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