{"id":825,"date":"2025-03-07T12:05:53","date_gmt":"2025-03-07T12:05:53","guid":{"rendered":"https:\/\/vivalr.com\/product\/825.html"},"modified":"2025-03-07T12:23:30","modified_gmt":"2025-03-07T12:23:30","slug":"factory-supply-p-toluenesulfonic-anhydride-cas-4124-41-8-with-good-price","status":"publish","type":"product","link":"https:\/\/vivalr.com\/pt\/product\/825.html","title":{"rendered":"Factory Supply P-Toluenesulfonic Anhydride Cas 4124-41-8 With Good Price"},"content":{"rendered":"<div class=\"product-guide\">\n<h1>P-Toluenesulfonic Anhydride (CAS 4124-41-8) User Guide: Applications, Usage & Case Studies<\/h1>\n<p>        <!-- Table of Contents --><\/p>\n<div class=\"toc\">\n<h2>\u00cdndice<\/h2>\n<ul>\n<li><a href=\"#section1\">1. Vis\u00e3o geral do produto<\/a><\/li>\n<li><a href=\"#section2\">2. Principais aplica\u00e7\u00f5es<\/a><\/li>\n<li><a href=\"#section3\">3. Instru\u00e7\u00f5es de utiliza\u00e7\u00e3o<\/a><\/li>\n<li><a href=\"#section4\">4. Casos pr\u00e1ticos de utiliza\u00e7\u00e3o<\/a><\/li>\n<li><a href=\"#section5\">5. Informa\u00e7\u00f5es de contacto<\/a><\/li>\n<\/ul><\/div>\n<p>        <!-- Section 1: Product Overview --><\/p>\n<div id=\"section1\" class=\"section\">\n<h2>1. Vis\u00e3o geral do produto<\/h2>\n<p><strong>P-Toluenesulfonic Anhydride<\/strong> (CAS 4124-41-8) is a high-purity chemical reagent widely used in organic synthesis. Key specifications include:<\/p>\n<ul>\n<li><strong>N\u00famero CAS:<\/strong> 4124-41-8<\/li>\n<li><strong>F\u00f3rmula molecular:<\/strong> C14H14O5S2<\/li>\n<li><strong>Apar\u00eancia:<\/strong> P\u00f3 cristalino branco a esbranqui\u00e7ado<\/li>\n<li><strong>Pureza:<\/strong> \u226598% (HPLC)<\/li>\n<li><strong>Ponto de fus\u00e3o:<\/strong> 92-96\u00b0C<\/li>\n<li><strong>Embalagem:<\/strong> 25 kg\/drum or custom packaging<\/li>\n<\/ul><\/div>\n<p>        <!-- Section 2: Key Applications --><\/p>\n<div id=\"section2\" class=\"section\">\n<h2>2. Principais aplica\u00e7\u00f5es<\/h2>\n<p>P-Toluenesulfonic Anhydride serves as:<\/p>\n<ul>\n<li>A powerful catalyst in esterification and acetylation reactions<\/li>\n<li>An intermediate for pharmaceuticals and agrochemicals<\/li>\n<li>A dehydrating agent in peptide synthesis<\/li>\n<li>A sulfonating agent for organic compounds<\/li>\n<\/ul><\/div>\n<p>        <!-- Section 3: Usage Instructions --><\/p>\n<div id=\"section3\" class=\"section\">\n<h2>3. Instru\u00e7\u00f5es de utiliza\u00e7\u00e3o<\/h2>\n<ul>\n<li><strong>Precau\u00e7\u00f5es de seguran\u00e7a:<\/strong> Wear PPE (gloves, goggles, lab coat) and work in a ventilated area.<\/li>\n<li><strong>Armazenamento:<\/strong> Keep in airtight containers at 2-8\u00b0C, away from moisture.<\/li>\n<li><strong>Solubilidade:<\/strong> Soluble in dichloromethane, THF, and acetone; insoluble in water.<\/li>\n<li><strong>Condi\u00e7\u00f5es de rea\u00e7\u00e3o:<\/strong> Typical usage: 0.1-5 mol% at 20-80\u00b0C. Optimize based on substrate.<\/li>\n<\/ul><\/div>\n<p>        <!-- Section 4: Practical Use Cases --><\/p>\n<div id=\"section4\" class=\"section\">\n<h2>4. Casos pr\u00e1ticos de utiliza\u00e7\u00e3o<\/h2>\n<h3>Case 1: Esterification Catalyst<\/h3>\n<p>In biodiesel production, 0.5 mol% P-Toluenesulfonic Anhydride achieved 95% conversion of fatty acids to methyl esters at 70\u00b0C within 4 hours.<\/p>\n<h3>Case 2: Friedel-Crafts Acylation<\/h3>\n<p>Enabled efficient synthesis of acetophenone derivatives using 2 mol% catalyst load, reducing reaction time by 40% compared to conventional acids.<\/p>\n<h3>Case 3: Dehydration in Peptide Synthesis<\/h3>\n<p>Improved coupling efficiency to 92% in solid-phase peptide synthesis when used as a 1:1.2 equivalent dehydrating agent.<\/p>\n<\/p><\/div>\n<p>        <!-- Section 5: Contact --><\/p>\n<div id=\"section5\" class=\"section\">\n<h2>5. Informa\u00e7\u00f5es de contacto<\/h2>\n<p>Para quest\u00f5es t\u00e9cnicas ou encomendas em massa:<\/p>\n<ul>\n<li>Correio eletr\u00f3nico: <a href=\"mailto:info@vivalr.com\">info@vivalr.com<\/a><\/li>\n<li>Tel: (86) 15866781826<\/li>\n<\/ul><\/div>\n<\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>P-Toluenesulfonic Anhydride (CAS 4124-41-8) User Guide: Applications, Usage &#038; Case Studies Table of Contents 1. Product Overview 2. Key Applications 3. Usage Instructions 4. Practical Use Cases 5. Contact Information 1. Product Overview P-Toluenesulfonic Anhydride (CAS 4124-41-8) is a high-purity chemical reagent widely used in organic synthesis. Key specifications include: CAS Number: 4124-41-8 Molecular Formula: [&hellip;]<\/p>","protected":false},"featured_media":21573,"comment_status":"closed","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":{"0":"post-825","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-uncategorized","8":"first","9":"instock","10":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Factory Supply P-Toluenesulfonic Anhydride Cas 4124-41-8 With Good Price - Welcome to VIVALR- Your Trusted Source for Chemical Raw Materials\uff01<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vivalr.com\/pt\/product\/825.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Factory Supply P-Toluenesulfonic Anhydride Cas 4124-41-8 With Good Price\" \/>\n<meta property=\"og:description\" content=\"P-Toluenesulfonic Anhydride (CAS 4124-41-8) User Guide: Applications, Usage &amp; Case Studies Table of Contents 1. 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