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Glycolic Acid |
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glycolic acid [glī′käl·ik ′as·əd]
(organic chemistry) CH2OHCOOH Colorless, deliquescent leaflets, decomposing about 78°C; soluble in water, alcohol, and ether; used as a chemical intermediate in fabric dyeing. Also known as hydroxyacetic acid. Glycolic Acid the simplest acyclic hydroxy acid, HOCH2COOH. Colorless, odorless crystals; melting point, 79°-80°C; dissociation constant K = 1.5 × 10-4. Readily soluble in water and organic solvents. It is present in unripe grapes and in beet juice. Glycolic acid is made industrially by hydrolysis of monochloroacetic acid, by electrolytic reduction of oxalic acid, or by condensing carbon monoxide with formaldehyde under pressure in the presence of acid catalysts. Glycolic acid is used in the textile industry (in dyeing), in the leather industry, and as a component of mixtures for cleaning metal surfaces. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | 9) Suitable anionic polysaccharides for this purpose are claimed to be selected from aluminum starch octenylsuccinate, sodium starch octenylsuccinate, calcium starch octenylsuccinate, distarch phosphates, hydroxyethyl starch phosphates, hydroxypropyl starch phosphates, sodium carboxymethyl starches, and sodium starch glycolate. [ILLUSTRATION OMITTED] Cost and Quality Cost and quality advantages will extend market opportunities for starch-based pharmaceutical excipients, with pregelatinized starch fillers and binders and sodium starch glycolate disintegrants realizing the best sales growth. These contain something called "glycolic compound" - a pH-balanced complex of glycolic acid and ammonium glycolate. |
Glycolate |
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