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benzoic acid |
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benzoic acid (bĕnzō`ĭk), C6H5CO2H, crystalline solid organic acid that melts at 122°C; and boils at 249°C;. It is the simplest aromatic carboxylic acid (see aryl group aryl group (âr`ĭl), in chemistry, group of atoms derived from benzene or from a benzene derivative by removing one hydrogen that is ..... Click the link for more information. and carboxyl group carboxyl group (kärbŏk`sĭl) ..... Click the link for more information. ). In addition to being synthesized from a variety of organic compounds (e.g., benzyl alcohol, benzaldehyde, toluene, and phthalic acid), it may be obtained from resins, notably gum benzoin benzoin (bĕn`zoin, –zōĭn) or benzoinum ..... Click the link for more information. . It is used largely for making its salts and esters, most notably sodium benzoate, which is widely used as a preservative in foods and beverages and as a mild antiseptic in mouthwashes and toothpastes. benzoic acid [ben′zō·ik ′as·əd] (organic chemistry) C6H5COOH An aromatic carboxylic acid that melts at 122.4°C, boils at 250°C, and is slightly soluble in water and relatively soluble in alcohol and ether; derivatives are valuable in industry, commerce, and medicine. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Conversely, results from a case-control study of NHL and farming in the United States suggested no association between risk of NHL and ever handling either benzoic acids as a class (OR = 1. The presence of acetic or benzoic acids decreased the temperature range at which these microorganisms grow, indicating that their viability at high or low temperatures is strongly influenced by the presence of preservatives. Resorcinol and dihydroxy benzoic acids are among coal-processing wastes, their work shows. |
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