{"id":379,"date":"2025-03-07T12:05:26","date_gmt":"2025-03-07T12:05:26","guid":{"rendered":"https:\/\/vivalr.com\/product\/379.html"},"modified":"2025-03-07T12:22:15","modified_gmt":"2025-03-07T12:22:15","slug":"high-quality-4-aminotoluene-3-sulfonic-acid-cas-88-44-8-with-best-price","status":"publish","type":"product","link":"https:\/\/vivalr.com\/pt\/product\/379.html","title":{"rendered":"\u00c1cido 4-Aminotolueno-3-sulf\u00f3nico de alta qualidade Cas 88-44-8 com melhor pre\u00e7o"},"content":{"rendered":"<div class=\"product-guide\">\n<h1>\u00c1cido 4-Aminotolueno-3-sulf\u00f3nico de alta qualidade (CAS 88-44-8) - Guia t\u00e9cnico e aplica\u00e7\u00f5es<\/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 de utiliza\u00e7\u00e3o pormenorizados<\/a><\/li>\n<li><a href=\"#section5\">5. Informa\u00e7\u00f5es de contacto<\/a><\/li>\n<\/ul><\/div>\n<p>        <!-- Content Sections --><\/p>\n<div class=\"content\">\n<h2 id=\"section1\">1. Vis\u00e3o geral do produto<\/h2>\n<p><strong>\u00c1cido 4-Aminotolueno-3-sulf\u00f3nico<\/strong> (CAS 88-44-8) \u00e9 um derivado de \u00e1cido sulf\u00f3nico de elevada pureza com a f\u00f3rmula molecular C<sub>7<\/sub>H<sub>9<\/sub>N\u00c3O<sub>3<\/sub>S. Especifica\u00e7\u00f5es principais:<\/p>\n<ul>\n<li><strong>Apar\u00eancia:<\/strong> P\u00f3 cristalino esbranqui\u00e7ado a castanho claro<\/li>\n<li><strong>Pureza:<\/strong> \u226598.5%<\/li>\n<li><strong>Peso molecular:<\/strong> 187,21 g\/mol<\/li>\n<li><strong>Ponto de fus\u00e3o:<\/strong> 270-275\u00b0C (dec.)<\/li>\n<li><strong>Armazenamento:<\/strong> Conservar em recipiente herm\u00e9tico a 2-8\u00b0C<\/li>\n<\/ul>\n<h2 id=\"section2\">2. Principais aplica\u00e7\u00f5es<\/h2>\n<p>Amplamente utilizado em:<\/p>\n<ul>\n<li>Fabrico de corantes (corante azo interm\u00e9dio)<\/li>\n<li>S\u00edntese farmac\u00eautica (agentes antibacterianos)<\/li>\n<li>Materiais electr\u00f3nicos org\u00e2nicos<\/li>\n<li>Investiga\u00e7\u00e3o qu\u00edmica (reac\u00e7\u00f5es de sulfona\u00e7\u00e3o)<\/li>\n<\/ul>\n<h2 id=\"section3\">3. Instru\u00e7\u00f5es de utiliza\u00e7\u00e3o<\/h2>\n<ol>\n<li>Usar sempre EPI (luvas, \u00f3culos de prote\u00e7\u00e3o, bata de laborat\u00f3rio)<\/li>\n<li>Dissolver em solventes polares (\u00e1gua\/etanol) a 60-80\u00b0C<\/li>\n<li>Manter o pH 6-8 para uma reatividade \u00f3ptima<\/li>\n<li>Armazenar longe de oxidantes fortes<\/li>\n<li>Eliminar de acordo com os regulamentos locais relativos a res\u00edduos qu\u00edmicos<\/li>\n<\/ol>\n<h2 id=\"section4\">4. Casos de utiliza\u00e7\u00e3o pormenorizados<\/h2>\n<h3>Caso 1: Produ\u00e7\u00e3o de corantes az\u00f3icos<\/h3>\n<p>Utilizado como componente de acoplamento na s\u00edntese do C.I. Acid Red 114:<\/p>\n<ol>\n<li>Dissolver 50g em 500ml de \u00e1gua desionizada a 70\u00b0C<\/li>\n<li>Reagir com 4-nitroanilina diazotizada a pH 7,2<\/li>\n<li>Rendimento: 92-95% corante vermelho brilhante<\/li>\n<\/ol>\n<h3>Caso 2: Intermedi\u00e1rio farmac\u00eautico<\/h3>\n<p>Precursor chave na s\u00edntese de drogas sulfa:<\/p>\n<ul>\n<li>Reagir com cloreto de cloracetilo em THF<\/li>\n<li>Amon\u00f3lise para criar uma espinha dorsal de sulfonamida<\/li>\n<li>Purifica\u00e7\u00e3o final por recristaliza\u00e7\u00e3o<\/li>\n<\/ul>\n<h2 id=\"section5\">5. Informa\u00e7\u00f5es de contacto<\/h2>\n<p>Para quest\u00f5es t\u00e9cnicas ou encomendas por grosso:<\/p>\n<ul>\n<li>Correio eletr\u00f3nico: <a href=\"mailto:info@vivalr.com\">info@vivalr.com<\/a><\/li>\n<li>Tel: <a href=\"tel:+8615866781826\">(86) 15866781826<\/a><\/li>\n<\/ul><\/div>\n<\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>High Quality 4-Aminotoluene-3-sulfonic Acid (CAS 88-44-8) - Technical Guide &#038; Applications Table of Contents 1. Product Overview 2. Key Applications 3. Usage Instructions 4. Detailed Use Cases 5. Contact Information 1. Product Overview 4-Aminotoluene-3-sulfonic Acid (CAS 88-44-8) is a high-purity sulfonic acid derivative with the molecular formula C7H9NO3S. Key specifications: Appearance: Off-white to light brown [&hellip;]<\/p>","protected":false},"featured_media":21357,"comment_status":"closed","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":{"0":"post-379","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>High Quality 4-Aminotoluene-3-sulfonic Acid Cas 88-44-8 With Best 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\/379.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"High Quality 4-Aminotoluene-3-sulfonic Acid Cas 88-44-8 With Best Price\" \/>\n<meta property=\"og:description\" content=\"High Quality 4-Aminotoluene-3-sulfonic Acid (CAS 88-44-8) - Technical Guide &amp; Applications Table of Contents 1. 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