{"id":33275,"date":"2021-03-16T12:51:23","date_gmt":"2021-03-16T12:51:23","guid":{"rendered":"https:\/\/www.alquera.com\/?page_id=33275"},"modified":"2021-09-12T13:46:10","modified_gmt":"2021-09-12T13:46:10","slug":"usos","status":"publish","type":"page","link":"https:\/\/www.alquera.com\/en\/acido-oxalico\/usos\/","title":{"rendered":"Uses Oxalic Acid"},"content":{"rendered":"<p>The\u00a0<a href=\"https:\/\/www.alquera.com\/en\/acido-oxalico\/\"><strong>oxalic acid<\/strong><\/a>\u00a0is a carboxylic acid with the formula H<sub>2<\/sub>C<sub>2<\/sub>O<sub>4<\/sub>\u00a0can also be described as HOOCCOOH, it is a saturated organic acid, normal chain, considered very strong. Among its most important properties are that it is soluble in alcohol and water, crystallises in water in dihydrated form with the formula C<sub>2<\/sub>H<sub>2<\/sub>O<sub>4<\/sub>.2H<sub>2<\/sub>O, its hydrated melting point is 101,5\u00a0<sup>0<\/sup>C. When heated, it decomposes, releasing carbon dioxide (CO<sub>2<\/sub>), carbon monoxide (CO) and water.<\/p>\n<p><a href=\"https:\/\/www.alquera.com\/en\/acido-oxalico\/usos\/acido-oxalico-2\/\" rel=\"attachment wp-att-33305\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-33305 aligncenter\" src=\"https:\/\/www.alquera.com\/wp-content\/uploads\/2021\/03\/ACIDO-OXALICO.png\" alt=\"usos \u00e1cido ox\u00e1lico\" width=\"300\" height=\"214\" \/><\/a><\/p>\n<p>It occurs naturally as calcium or potassium oxalate, in roots and rhizomes of many plants, it is present in small quantities in many foods, such as cocoa, nuts, beans and also in the leaves of many plants such as spinach, parsley, chard, etc....<\/p>\n<p>There are several ways to produce oxalic acid industrially, one of them is by oxidation of carbohydrates such as starch, it can also be produced with carbon monoxide and sodium hydroxide, but the most commonly used industrially are the first with two successive oxidations, using nitric acid and oxygen from the air, and the second from sodium methanoate.<\/p>\n<p>Its main physical characteristics are: bitter taste, colourless crystalline solid, partially soluble in water, ethanol and solvents.<\/p>\n<h2>Uses of oxalic acid<\/h2>\n<p>Among the main uses and applications of\u00a0<b>oxalic acid dihydrate<\/b>\u00a0are:<\/p>\n<ul>\n<li>Treatment of metal surfaces.<\/li>\n<li><a href=\"https:\/\/www.alquera.com\/en\/acido-oxalico\/quitar-oxido\/\">Rust removal on metals<\/a>especially on chrome-plated parts, widely used on bicycles.<\/li>\n<li>In construction it is used for\u00a0<a href=\"https:\/\/www.alquera.com\/en\/acido-oxalico\/pulir-suelos\/\">polishing floors<\/a>marble and other surfaces.<\/li>\n<li>In navigation, for <a href=\"https:\/\/www.alquera.com\/en\/acido-oxalico\/limpieza-fibra-vidrio\/\">fibreglass cleaning<\/a>.<\/li>\n<li>At\u00a0<a href=\"https:\/\/www.alquera.com\/en\/acido-oxalico\/apicultura\/\">beekeeping<\/a>\u00a0eradicates the varroa mite that attacks bees.<\/li>\n<li>Bleaching and protection of textiles, wood and leather.<\/li>\n<li>Fixation of dyestuffs in the wool fabric.<\/li>\n<li>Plastics manufacturing.<\/li>\n<li>In gravimetry, it is used for the precipitation of silver, gold, copper, mercury, etc.<\/li>\n<li>As a cleaning agent for bathrooms, kitchens, tiles, floors, etc. in household and industry.<\/li>\n<li>In the laundry it is used for stain removal and bleaching.<\/li>\n<\/ul>\n<h2>Physical\/Chemical Properties<\/h2>\n<table>\n<tbody>\n<tr>\n<th class=\"cabecera qu\u00edmica\" colspan=\"3\">\n<div class=\"noprint\"><\/div>\n<div class=\"noprint\"><\/div>\n<p>OXALIC ACID OR ETHANEDIOIC ACID<\/th>\n<\/tr>\n<tr>\n<th colspan=\"3\">CHEMICAL FORMULA<\/th>\n<\/tr>\n<tr>\n<th scope=\"row\">SEMI-DEVELOPED FORMULA<\/th>\n<td colspan=\"2\">HOOC-COOH<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">MOLECULAR FORMULA<\/th>\n<td colspan=\"2\">C<sub>2<\/sub>H<sub>2<\/sub>O<sub>4<\/sub><\/td>\n<\/tr>\n<tr>\n<th colspan=\"3\">IDENTIFIERS<\/th>\n<\/tr>\n<tr>\n<th scope=\"row\">CAS NUMBER<\/th>\n<td colspan=\"2\">144-62-7<\/td>\n<\/tr>\n<tr>\n<th colspan=\"3\">PHYSICAL PROPERTIES<\/th>\n<\/tr>\n<tr>\n<th scope=\"row\">APPEARANCE<\/th>\n<td colspan=\"2\">White crystals\/dust<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">DENSITY<\/th>\n<td colspan=\"2\">1900 kg\/m<sup>3<\/sup>1.9 g\/cm<sup>3<\/sup><\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">MOLAR MASS<\/th>\n<td colspan=\"2\">90.03 g\/mol<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">MELTING POINT<\/th>\n<td colspan=\"2\">374.65 K (102 \u00b0C)<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">BOILING POINT<\/th>\n<td colspan=\"2\">638.15 K (365 \u00b0C)<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">DECOMPOSITION POINT<\/th>\n<td colspan=\"2\">462.65 K (190 \u00b0C)<\/td>\n<\/tr>\n<tr>\n<th colspan=\"3\">CHEMICAL PROPERTIES<\/th>\n<\/tr>\n<tr>\n<th scope=\"row\">ACIDITY<\/th>\n<td colspan=\"2\">1,19 pK<sub>a<\/sub><\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">WATER SOLUBILITY<\/th>\n<td colspan=\"2\">9.5 g\/100 mL (15 \u00b0C)<\/td>\n<\/tr>\n<tr>\n<th colspan=\"3\"><\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2>Precautions for use\u00a0<strong>of oxalic acid dihydrate<\/strong><\/h2>\n<p>Although its use is very common, it must be taken into account that we are talking about an acid, and therefore all necessary precautions must be taken in its handling, always wearing gloves and avoiding any contact with the material. It causes strong irritations in the mouth, oesophagus, stomach and causes renal damage, in high doses it is lethal because it creates renal obstruction and convulsions, it is the main component of renal calculi. It is easily absorbed through mucous membranes and skin, causing blood circulation disorders and kidney damage. It is a severe eye irritant and prolonged contact causes irreversible damage.<\/p>\n<h3 class=\"widget-title\">Buy <\/h3><div><div class=\"woocommerce\"><ul class=\"products columns-4\">\n<li class=\"desktop-align-left tablet-align-left mobile-align-left ast-product-gallery-layout-horizontal-slider ast-magnify-disabled ast-product-single-variable ast-product-tabs-layout-horizontal ast-qv-on-image product type-product post-495 status-publish first instock product_cat-productos-experimentos product_cat-productos has-post-thumbnail taxable shipping-taxable purchasable product-type-variable has-default-attributes\">\n\t<a href=\"https:\/\/www.alquera.com\/en\/permanganato-de-potasio\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.alquera.com\/wp-content\/uploads\/2016\/01\/permanganato-200g-foto-nueva-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"permanganato 200g\" srcset=\"https:\/\/www.alquera.com\/wp-content\/uploads\/2016\/01\/permanganato-200g-foto-nueva-300x300.png 300w, https:\/\/www.alquera.com\/wp-content\/uploads\/2016\/01\/permanganato-200g-foto-nueva-150x150.png 150w, https:\/\/www.alquera.com\/wp-content\/uploads\/2016\/01\/permanganato-200g-foto-nueva-12x12.png 12w, https:\/\/www.alquera.com\/wp-content\/uploads\/2016\/01\/permanganato-200g-foto-nueva-100x100.png 100w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><h2 class=\"woocommerce-loop-product__title\">Potassium Permanganate<\/h2><div class=\"review-rating\"><div class=\"star-rating\"><span style=\"width:100%\" data-no-translation=\"\" data-trp-gettext=\"\">Rated <strong class=\"rating\">5.00<\/strong> out of 5<\/span><\/div><\/div>\n<\/a><a href=\"https:\/\/www.alquera.com\/en\/permanganato-de-potasio\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_495\" data-quantity=\"1\" class=\"button product_type_variable add_to_cart_button\" data-product_id=\"495\" data-product_sku=\"AL100111\" aria-label=\"Select options for \u201cPermanganato de Potasio\u201d\" rel=\"nofollow\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Select options<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_495\" class=\"screen-reader-text\">\n\t\tThis product has multiple variants. The options may be chosen on the product page\t<\/span>\n<\/li>\n<\/ul>\n<\/div><\/div>\n<p class=\"widget-title\">Read more<\/p><a href=\"https:\/\/www.alquera.com\/en\/acido-oxalico\/\">Oxalic acid<\/a>\n<!-- Page-list plugin v.5.9 wordpress.org\/plugins\/page-list\/ -->\n<ul class=\"page-list siblings-page-list\">\n<li class=\"page_item page-item-33282 menu-item\"><a href=\"https:\/\/www.alquera.com\/en\/acido-oxalico\/apicultura\/\" class=\"menu-link\">Oxalic Acid in Beekeeping<\/a><\/li>\n<li class=\"page_item page-item-33336 menu-item\"><a href=\"https:\/\/www.alquera.com\/en\/acido-oxalico\/limpieza-fibra-vidrio\/\" class=\"menu-link\">Fibreglass Cleaning<\/a><\/li>\n<li class=\"page_item page-item-33280 menu-item\"><a href=\"https:\/\/www.alquera.com\/en\/acido-oxalico\/pulir-suelos\/\" class=\"menu-link\">Oxalic Acid Floor Polishing<\/a><\/li>\n<li class=\"page_item page-item-33277 menu-item\"><a href=\"https:\/\/www.alquera.com\/en\/acido-oxalico\/quitar-oxido\/\" class=\"menu-link\">Oxalic Acid Rust Removal<\/a><\/li>\n<li class=\"page_item page-item-33275 menu-item\"><a href=\"https:\/\/www.alquera.com\/en\/acido-oxalico\/usos\/\" class=\"menu-link\">Uses Oxalic Acid<\/a><\/li>\n\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>El\u00a0acido ox\u00e1lico\u00a0es un acido carbox\u00edlico cuya f\u00f3rmula es H2C2O4\u00a0tambi\u00e9n se le puede describir como HOOCCOOH, es un \u00e1cido org\u00e1nico saturado, de cadena normal, considerado muy fuerte. Entre sus propiedades m\u00e1s importantes tenemos que es soluble en el alcohol y agua, cristaliza en el agua en forma dihidratada cuya f\u00f3rmula es C2H2O4.2H2O, su punto de fusi\u00f3n [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":33273,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-33275","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.1.1) - 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