{"id":667802,"date":"2023-08-29T15:17:54","date_gmt":"2023-08-29T09:47:54","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=667802"},"modified":"2023-08-29T15:18:10","modified_gmt":"2023-08-29T09:48:10","slug":"schiff-reagent-formula-structure-preparation-reactions","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/","title":{"rendered":"Schiff reagent | Formula, Structure, Preparation &#038; Reactions"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#Introduction_to_Schiff_reagent\" title=\"Introduction to Schiff reagent\">Introduction to Schiff reagent<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#Schiff_reagent_formula\" title=\"Schiff reagent formula\">Schiff reagent formula<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#Schiffs_reagent_Chemical_Name\" title=\"Schiff&#8217;s reagent Chemical Name\">Schiff&#8217;s reagent Chemical Name<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#Schiffs_reagent_name\" title=\"Schiff&#8217;s reagent name\">Schiff&#8217;s reagent name<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#Schiff_reagent_colour\" title=\"Schiff reagent colour\">Schiff reagent colour<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#Schiff_reagent_composition\" title=\"Schiff reagent composition\">Schiff reagent composition<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#Schiffs_reagent_preparation\" title=\"Schiffs reagent preparation\">Schiffs reagent preparation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#Schiffs_reagent_Test\" title=\"Schiffs reagent Test\">Schiffs reagent Test<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#Schiff_reagent_reaction_with_aldehyde\" title=\"Schiff reagent reaction with aldehyde\">Schiff reagent reaction with aldehyde<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#Schiff_base_reagent\" title=\"Schiff base reagent\">Schiff base reagent<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#Difference_between_Schiff_base_and_Schiff_reagent\" title=\"Difference between Schiff base and Schiff reagent\">Difference between Schiff base and Schiff reagent<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#Frequently_Asked_Questions_on_Schiff_reagent\" title=\"Frequently Asked Questions on Schiff reagent\">Frequently Asked Questions on Schiff reagent<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#What_is_schiffs_reagent\" title=\"What is schiff&#039;s reagent?\">What is schiff&#039;s reagent?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#How_is_schiffs_reagent_prepared\" title=\"How is schiff&#039;s reagent prepared?\">How is schiff&#039;s reagent prepared?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#What_is_the_reaction_of_Schiffs_reagent\" title=\"What is the reaction of Schiff&#039;s reagent?\">What is the reaction of Schiff&#039;s reagent?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#What_is_the_name_of_Schiffs_reagent\" title=\"What is the name of Schiff&#039;s reagent?\">What is the name of Schiff&#039;s reagent?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#Why_is_Schiff_base_called_base\" title=\"Why is Schiff base called base?\">Why is Schiff base called base?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction_to_Schiff_reagent\"><\/span>Introduction to Schiff reagent<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Schiff reagent<\/strong> (C19H21N3S2O7.4H2O) is a chemical formed by the reaction of sodium bisulfite and the magenta-colored dye fuchsin (C20H19N3.HCl).Because aldehydes can react with the decolorized Schiff reagent and restore their original color, it is often employed as a chemical test to detect the presence of aldehydes in a sample.<\/p>\n<p><strong>Hugo Schiff<\/strong>, a German scientist, discovered Schiff Reagent. <strong>Schiff&#8217;s reagent was used for the first time in 1897.<\/strong> For the first time in a biological study, Feulgen used Schiff&#8217;s reagent in 1924.<\/p>\n<p>The staining process was later named after him. To identify aldehydes formed by the acidic breakdown of deoxyribose sugar in deoxyribonucleic acid (DNA), Feulgen used Schiff&#8217;s reagent.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Schiff_reagent_formula\"><\/span>Schiff reagent formula<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The Schiff reagent formula is C19H21N3S2O7.4H2O. The Schiff reagent structure is shown below:<\/p>\n<p><img loading=\"lazy\" class=\"alignnone wp-image-667805 size-full\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/08\/Schiff-reagent-structure-.png\" alt=\"Schiff reagent structure\" width=\"472\" height=\"346\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/08\/Schiff-reagent-structure-.png 472w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/08\/Schiff-reagent-structure--300x220.png 300w\" sizes=\"(max-width: 472px) 100vw, 472px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Schiffs_reagent_Chemical_Name\"><\/span>Schiff&#8217;s reagent Chemical Name<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Schiff&#8217;s reagent chemical name is p-rosaniline hydrochloride solution.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Schiffs_reagent_name\"><\/span>Schiff&#8217;s reagent name<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Schiff reagent is a byproduct of the chemical reaction of certain dyes, such as fuchsin and sodium bisulfate, with aldehydes to produce a vivid pink result. Schiff reagent is also known as leucofuchsin.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Schiff_reagent_colour\"><\/span>Schiff reagent colour<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Schiff reagent colour is white.<\/strong> The presence of aldehydic and ketonic groups is detected using Schiff&#8217;s reagent. It is made out of fuchsin dye that has been decolored by sulphuric acid. The presence of aliphatic aldehyde is detected by its immediate red\/pink color.<\/p>\n<p>It takes time for aliphatic ketones and aromatic aldehydes to bloom, and the pink color emerges gradually.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Schiff_reagent_composition\"><\/span>Schiff reagent composition<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Schiff reagent composition made by combining 1% fuchsin dye in water (&gt;98%) with 1% sodium bisulfite mixed in a 1% hydrochloric acid solution. Before being decolored with charcoal, the solution is agitated at regular intervals.<\/p>\n<p>After that, the mixture is filtered. Use freshly activated charcoal to ensure the formation of a colorless solution. The solution is filtered again if it is not colorless.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Schiffs_reagent_preparation\"><\/span>Schiffs reagent preparation<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The schiffs reagent preparation procedure is as follows.<\/p>\n<ol>\n<li>In 900 ml of boiling water, dissolve 5g of basic fuchsin. Allow the solution to cool to a temperature of roughly 50 degrees Celsius.<\/li>\n<li>Add 100 cc of 1M HCl at a time to the diluted fuchsin solution.<\/li>\n<li>Reduce the solution&#8217;s temperature to 25 degrees Celsius. To the cooled solution, add 10g of NaHSO3.<\/li>\n<li>Shake the solution for 3 minutes before incubating it in the dark for 24 hours.<\/li>\n<li>After incubation, stir in 5g of fine activated charcoal. After 3 minutes of shaking, strain the solution.<\/li>\n<li>If a clear solution is not obtained, repeat the filtration and treatment process.<\/li>\n<li>To prevent the precipitation of white crystalline material, store the prepared solution in a foil-covered vial at 4 degrees Celsius.<\/li>\n<li>To achieve reliable findings, fresh batches of Schiff Reagent should be prepared every 2-3 weeks.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Schiffs_reagent_Test\"><\/span>Schiffs reagent Test<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>When an unknown aldehyde solution is introduced to the colorless Schiff reagent, it returns to its previous magenta color. This is referred to as the <strong>Schiff reagent test<\/strong>.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone wp-image-667803 size-full\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/08\/Schiffs-reagent-test.png\" alt=\"Schiffs reagent test\" width=\"562\" height=\"342\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/08\/Schiffs-reagent-test.png 562w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/08\/Schiffs-reagent-test-300x183.png 300w\" sizes=\"(max-width: 562px) 100vw, 562px\" \/><\/p>\n<p>The Schiff test dates back to 1866, when German-Italian scientist Hugo Schiff invented it and published it in a magazine.<\/p>\n<p><strong>Also Check For:<\/strong><\/p>\n<p><a href=\"https:\/\/infinitylearn.com\/surge\/topics\/chemistry-topics\"><button class=\"btn btn-dark mx-2 my-2 px-4\" style=\"border-radius: 50px;\" type=\"button\">Chemistry Topics<\/button><\/a> <a href=\"https:\/\/infinitylearn.com\/surge\/articles\/chemistry-articles\/\"><button class=\"btn btn-dark mx-2 my-2 px-4\" style=\"border-radius: 50px;\" type=\"button\">Chemistry Articles<\/button><\/a> <a href=\"https:\/\/infinitylearn.com\/surge\/topics\/swarts-reaction\/\"><button class=\"btn btn-dark mx-2 my-2 px-4\" style=\"border-radius: 50px;\" type=\"button\">Swarts Reaction<\/button><\/a> <a href=\"https:\/\/infinitylearn.com\/surge\/articles\/wurtz-reaction\/\"><button class=\"btn btn-dark mx-2 my-2 px-4\" style=\"border-radius: 50px;\" type=\"button\">Wurtz Reaction<\/button><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Schiff_reagent_reaction_with_aldehyde\"><\/span>Schiff reagent reaction with aldehyde<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The Schiff reagent gives pink colour when aldehyde is present as shown below.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone wp-image-667804 size-full\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/08\/schiff-test-result.png\" alt=\"schiff test result\" width=\"426\" height=\"310\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/08\/schiff-test-result.png 426w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/08\/schiff-test-result-300x218.png 300w\" sizes=\"(max-width: 426px) 100vw, 426px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Schiff_base_reagent\"><\/span>Schiff base reagent<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Schiff base reagent is N-alkyl diamine which is a result of the reaction of aldehydes or ketones with primary amines.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Difference_between_Schiff_base_and_Schiff_reagent\"><\/span>Difference between Schiff base and Schiff reagent<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The <strong>primary difference between Schiff base and Schiff reagent<\/strong> is that the former relates to either secondary ketimines or secondary aldimines, whereas the latter refers to a reagent used to test for aldehydes and ketones. Hugo Schiff inspired the names of Schiff base and Schiff&#8217;s reagent.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_on_Schiff_reagent\"><\/span>Frequently Asked Questions on Schiff reagent<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_schiffs_reagent\"><\/span>What is schiff&#039;s reagent?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tSchiff's Reagent is an aqueous solution of magenta or pink-colored Rosaniline Hydrochloride that decolorizes when SO2 is run through it, which is why it is employed as an aldehyde differentiation test. \t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"How_is_schiffs_reagent_prepared\"><\/span>How is schiff&#039;s reagent prepared?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tSchiff reagent is made by combining 1% fuchsin dye in water (>98%) with 1% sodium bisulfite mixed in a 1% hydrochloric acid solution. The solution is shaken at regular intervals before being decolored with charcoal. \t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_the_reaction_of_Schiffs_reagent\"><\/span>What is the reaction of Schiff&#039;s reagent?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tWhen Schiff's reagent reacts with acetaldehyde, it produces a pink color. Paul Rumpf (1908-1999) postulated an imine-mediated mechanism in 1935, and Hardonk and van Duijn presented experimental evidence in 1964.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_the_name_of_Schiffs_reagent\"><\/span>What is the name of Schiff&#039;s reagent?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tp-rosaniline hydrochloride solution. Schiff's solution is a sulphurous acid-treated p-rosaniline hydrochloride solution.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Why_is_Schiff_base_called_base\"><\/span>Why is Schiff base called base?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tThe phrase Schiff's base comes from the name of German chemist Hugo Schiff, who was the first to characterize the results of the interaction of primary amines with carbonyl compounds in 1864. \t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\n<script type=\"application\/ld+json\">\n\t{\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is schiff's reagent?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Schiff's Reagent is an aqueous solution of magenta or pink-colored Rosaniline Hydrochloride that decolorizes when SO2 is run through it, which is why it is employed as an aldehyde differentiation test.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"How is schiff's reagent prepared?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Schiff reagent is made by combining 1% fuchsin dye in water (&gt;98%) with 1% sodium bisulfite mixed in a 1% hydrochloric acid solution. The solution is shaken at regular intervals before being decolored with charcoal.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is the reaction of Schiff's reagent?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"When Schiff's reagent reacts with acetaldehyde, it produces a pink color. Paul Rumpf (1908-1999) postulated an imine-mediated mechanism in 1935, and Hardonk and van Duijn presented experimental evidence in 1964.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is the name of Schiff's reagent?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"p-rosaniline hydrochloride solution. Schiff's solution is a sulphurous acid-treated p-rosaniline hydrochloride solution.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Why is Schiff base called base?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"The phrase Schiff's base comes from the name of German chemist Hugo Schiff, who was the first to characterize the results of the interaction of primary amines with carbonyl compounds in 1864.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t\t\t]\n\t}\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>Introduction to Schiff reagent Schiff reagent (C19H21N3S2O7.4H2O) is a chemical formed by the reaction of sodium bisulfite and the magenta-colored [&hellip;]<\/p>\n","protected":false},"author":53,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Schiff Reagent","_yoast_wpseo_title":"Schiff Reagent - Reaction with aldehyde Schiffs reagent Test and Structure","_yoast_wpseo_metadesc":"Schiff Reagent: Formula, Structure, and Uses | Detect Aldehydes with Pink Color Reaction | Preparation, Test & More","custom_permalink":"topics\/schiff-reagent\/"},"categories":[8593,8591],"tags":[],"table_tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Schiff Reagent - Reaction with aldehyde Schiffs reagent Test and Structure<\/title>\n<meta name=\"description\" content=\"Schiff Reagent: Formula, Structure, and Uses | Detect Aldehydes with Pink Color Reaction | Preparation, Test &amp; More\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Schiff Reagent - Reaction with aldehyde Schiffs reagent Test and Structure\" \/>\n<meta property=\"og:description\" content=\"Schiff Reagent: Formula, Structure, and Uses | Detect Aldehydes with Pink Color Reaction | Preparation, Test &amp; More\" \/>\n<meta property=\"og:url\" content=\"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/\" \/>\n<meta property=\"og:site_name\" content=\"Infinity Learn by Sri Chaitanya\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/InfinityLearn.SriChaitanya\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-29T09:47:54+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-29T09:48:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/08\/Schiff-reagent-structure-.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@InfinityLearn_\" \/>\n<meta name=\"twitter:site\" content=\"@InfinityLearn_\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ankit\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Schiff Reagent - Reaction with aldehyde Schiffs reagent Test and Structure","description":"Schiff Reagent: Formula, Structure, and Uses | Detect Aldehydes with Pink Color Reaction | Preparation, Test & More","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/","og_locale":"en_US","og_type":"article","og_title":"Schiff Reagent - Reaction with aldehyde Schiffs reagent Test and Structure","og_description":"Schiff Reagent: Formula, Structure, and Uses | Detect Aldehydes with Pink Color Reaction | Preparation, Test & More","og_url":"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/","og_site_name":"Infinity Learn by Sri Chaitanya","article_publisher":"https:\/\/www.facebook.com\/InfinityLearn.SriChaitanya\/","article_published_time":"2023-08-29T09:47:54+00:00","article_modified_time":"2023-08-29T09:48:10+00:00","og_image":[{"url":"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/08\/Schiff-reagent-structure-.png"}],"twitter_card":"summary_large_image","twitter_creator":"@InfinityLearn_","twitter_site":"@InfinityLearn_","twitter_misc":{"Written by":"Ankit","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Organization","@id":"https:\/\/infinitylearn.com\/surge\/#organization","name":"Infinity Learn","url":"https:\/\/infinitylearn.com\/surge\/","sameAs":["https:\/\/www.facebook.com\/InfinityLearn.SriChaitanya\/","https:\/\/www.instagram.com\/infinitylearn_by_srichaitanya\/","https:\/\/www.linkedin.com\/company\/infinity-learn-by-sri-chaitanya\/","https:\/\/www.youtube.com\/c\/InfinityLearnEdu","https:\/\/twitter.com\/InfinityLearn_"],"logo":{"@type":"ImageObject","@id":"https:\/\/infinitylearn.com\/surge\/#logo","inLanguage":"en-US","url":"","contentUrl":"","caption":"Infinity Learn"},"image":{"@id":"https:\/\/infinitylearn.com\/surge\/#logo"}},{"@type":"WebSite","@id":"https:\/\/infinitylearn.com\/surge\/#website","url":"https:\/\/infinitylearn.com\/surge\/","name":"Infinity Learn by Sri Chaitanya","description":"Surge","publisher":{"@id":"https:\/\/infinitylearn.com\/surge\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/infinitylearn.com\/surge\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"ImageObject","@id":"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#primaryimage","inLanguage":"en-US","url":"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/08\/Schiff-reagent-structure-.png","contentUrl":"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/08\/Schiff-reagent-structure-.png","width":472,"height":346,"caption":"Schiff reagent structure"},{"@type":"WebPage","@id":"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#webpage","url":"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/","name":"Schiff Reagent - Reaction with aldehyde Schiffs reagent Test and Structure","isPartOf":{"@id":"https:\/\/infinitylearn.com\/surge\/#website"},"primaryImageOfPage":{"@id":"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#primaryimage"},"datePublished":"2023-08-29T09:47:54+00:00","dateModified":"2023-08-29T09:48:10+00:00","description":"Schiff Reagent: Formula, Structure, and Uses | Detect Aldehydes with Pink Color Reaction | Preparation, Test & More","breadcrumb":{"@id":"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/infinitylearn.com\/surge\/"},{"@type":"ListItem","position":2,"name":"Schiff reagent | Formula, Structure, Preparation &#038; Reactions"}]},{"@type":"Article","@id":"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#article","isPartOf":{"@id":"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#webpage"},"author":{"@id":"https:\/\/infinitylearn.com\/surge\/#\/schema\/person\/d647d4ff3a1111ff8eeccdb6b12651cb"},"headline":"Schiff reagent | Formula, Structure, Preparation &#038; Reactions","datePublished":"2023-08-29T09:47:54+00:00","dateModified":"2023-08-29T09:48:10+00:00","mainEntityOfPage":{"@id":"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#webpage"},"wordCount":818,"publisher":{"@id":"https:\/\/infinitylearn.com\/surge\/#organization"},"image":{"@id":"https:\/\/infinitylearn.com\/surge\/topics\/schiff-reagent\/#primaryimage"},"thumbnailUrl":"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2023\/08\/Schiff-reagent-structure-.png","articleSection":["Chemistry Topics","Topics"],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/infinitylearn.com\/surge\/#\/schema\/person\/d647d4ff3a1111ff8eeccdb6b12651cb","name":"Ankit","image":{"@type":"ImageObject","@id":"https:\/\/infinitylearn.com\/surge\/#personlogo","inLanguage":"en-US","url":"https:\/\/secure.gravatar.com\/avatar\/b1068bdc2711bd9c9f8be3b229f758f6?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/b1068bdc2711bd9c9f8be3b229f758f6?s=96&d=mm&r=g","caption":"Ankit"},"url":"https:\/\/infinitylearn.com\/surge\/author\/ankit\/"}]}},"_links":{"self":[{"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/posts\/667802"}],"collection":[{"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/users\/53"}],"replies":[{"embeddable":true,"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/comments?post=667802"}],"version-history":[{"count":0,"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/posts\/667802\/revisions"}],"wp:attachment":[{"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/media?parent=667802"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/categories?post=667802"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/tags?post=667802"},{"taxonomy":"table_tags","embeddable":true,"href":"https:\/\/infinitylearn.com\/surge\/wp-json\/wp\/v2\/table_tags?post=667802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}