{"id":629,"date":"2025-03-07T12:05:41","date_gmt":"2025-03-07T12:05:41","guid":{"rendered":"https:\/\/vivalr.com\/product\/629.html"},"modified":"2025-03-07T12:23:01","modified_gmt":"2025-03-07T12:23:01","slug":"factory-supply-o-cresolphthalein-complexone-cas-2411-89-4-with-best-price","status":"publish","type":"product","link":"https:\/\/vivalr.com\/pt\/product\/629.html","title":{"rendered":"Factory Supply O-Cresolphthalein Complexone Cas 2411-89-4 With Best Price"},"content":{"rendered":"<div class=\"user-guide\">\n<h1>O-Cresolphthalein Complexone (CAS 2411-89-4) User Guide: Applications, Usage & Best Practices<\/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>        <!-- Product Overview --><\/p>\n<h2 id=\"section1\">1. Vis\u00e3o geral do produto<\/h2>\n<p><strong>O-Cresolphthalein Complexone<\/strong> (CAS 2411-89-4) is a high-purity metallochromic indicator widely used in analytical chemistry. Key specifications include:<\/p>\n<ul>\n<li><strong>F\u00f3rmula qu\u00edmica:<\/strong> C<sub>32<\/sub>H<sub>32<\/sub>N<sub>2<\/sub>O<sub>12<\/sub><\/li>\n<li><strong>Peso molecular:<\/strong> 636.6 g\/mol<\/li>\n<li><strong>Apar\u00eancia:<\/strong> P\u00f3 cristalino branco a esbranqui\u00e7ado<\/li>\n<li><strong>Solubilidade:<\/strong> Soluble in alkaline aqueous solutions and polar organic solvents<\/li>\n<li><strong>Sensitivity:<\/strong> Effective concentration range: 10<sup>-6<\/sup> to 10<sup>-4<\/sup> M<\/li>\n<\/ul>\n<p>        <!-- Key Applications --><\/p>\n<h2 id=\"section2\">2. Principais aplica\u00e7\u00f5es<\/h2>\n<p>O-Cresolphthalein Complexone serves as a critical component in:<\/p>\n<ul>\n<li>Calcium ion (Ca<sup>2+<\/sup>) quantification in biochemical assays<\/li>\n<li>Complexometric titrations with EDTA for water hardness analysis<\/li>\n<li>Spectrophotometric determination of metal ions in industrial samples<\/li>\n<li>Quality control in pharmaceutical manufacturing<\/li>\n<\/ul>\n<p>        <!-- Usage Instructions --><\/p>\n<h2 id=\"section3\">3. Instru\u00e7\u00f5es de utiliza\u00e7\u00e3o<\/h2>\n<p><strong>Protocolo passo a passo:<\/strong><\/p>\n<ol>\n<li><strong>Prepara\u00e7\u00e3o da solu\u00e7\u00e3o:<\/strong> Dissolve 0.1g in 100mL ethanol or pH 10 ammonia-ammonium chloride buffer<\/li>\n<li><strong>Indicator Concentration:<\/strong> Use 1-2 mL per 100mL test solution (0.1-0.5% w\/v)<\/li>\n<li><strong>Titration Procedure:<\/strong> Add indicator to sample, titrate with EDTA until color shifts from pink to clear blue<\/li>\n<li><strong>Armazenamento:<\/strong> Keep in airtight container at 2-8\u00b0C, protected from light<\/li>\n<\/ol>\n<p><strong>Nota de seguran\u00e7a:<\/strong> Wear PPE when handling concentrated solutions.<\/p>\n<p>        <!-- Practical Use Cases --><\/p>\n<h2 id=\"section4\">4. Casos pr\u00e1ticos de utiliza\u00e7\u00e3o<\/h2>\n<p><strong>Case Study 1: Serum Calcium Analysis<\/strong><\/p>\n<ol>\n<li>Mix 0.1mL serum with 2mL alkaline buffer (pH 12)<\/li>\n<li>Add 0.5mL 0.2% indicator solution<\/li>\n<li>Titrate with 0.01M EDTA at 575nm endpoint<\/li>\n<li>Calculation: 1mL EDTA \u2248 0.4008 mg Ca<sup>2+<\/sup><\/li>\n<\/ol>\n<p><strong>Case Study 2: Industrial Water Hardness Testing<\/strong><\/p>\n<ol>\n<li>Filter 100mL water sample through 0.45\u03bcm membrane<\/li>\n<li>Adjust to pH 10 using NH<sub>3<\/sub>\/NH<sub>4<\/sub>Cl buffer<\/li>\n<li>Add 1mL indicator, titrate with 0.01M EDTA<\/li>\n<li>1\u00b0dH = 0.1783 mmol\/L CaCO<sub>3<\/sub> equivalence<\/li>\n<\/ol>\n<p>        <!-- Contact Information --><\/p>\n<h2 id=\"section5\">5. Informa\u00e7\u00f5es de contacto<\/h2>\n<p>Para assist\u00eancia t\u00e9cnica ou encomendas em massa:<br \/>\n        Correio eletr\u00f3nico: <a href=\"mailto:info@vivalr.com\">info@vivalr.com<\/a><br \/>\n        Telefone: <a href=\"tel:+8615866781826\">(86) 15866781826<\/a><\/p>\n<\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>O-Cresolphthalein Complexone (CAS 2411-89-4) User Guide: Applications, Usage &#038; Best Practices Table of Contents 1. Product Overview 2. Key Applications 3. Usage Instructions 4. Practical Use Cases 5. Contact Information 1. Product Overview O-Cresolphthalein Complexone (CAS 2411-89-4) is a high-purity metallochromic indicator widely used in analytical chemistry. Key specifications include: Chemical Formula: C32H32N2O12 Molecular Weight: [&hellip;]<\/p>","protected":false},"featured_media":21480,"comment_status":"closed","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":{"0":"post-629","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 O-Cresolphthalein Complexone Cas 2411-89-4 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\/629.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Factory Supply O-Cresolphthalein Complexone Cas 2411-89-4 With Best Price\" \/>\n<meta property=\"og:description\" content=\"O-Cresolphthalein Complexone (CAS 2411-89-4) User Guide: Applications, Usage &amp; Best Practices Table of Contents 1. 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