{"id":1650,"date":"2025-03-07T12:06:47","date_gmt":"2025-03-07T12:06:47","guid":{"rendered":"https:\/\/vivalr.com\/product\/1650.html"},"modified":"2025-03-07T12:24:57","modified_gmt":"2025-03-07T12:24:57","slug":"factory-supply-15-naphthalenedisulfonic-acid-cas-81-04-9-with-low-price","status":"publish","type":"product","link":"https:\/\/vivalr.com\/en_au\/product\/1650.html","title":{"rendered":"Factory Supply 1,5-Naphthalenedisulfonic acid CAS 81-04-9 With Low Price"},"content":{"rendered":"<div class=\"user-guide\">\n<h1>1,5-Naphthalenedisulfonic Acid (CAS 81-04-9) User Guide: Applications, Usage & Case Studies<\/h1>\n<p>        <!-- Table of Contents --><\/p>\n<div class=\"toc\">\n<h2>Table of Contents<\/h2>\n<ul>\n<li><a href=\"#section1\">1. Product Overview<\/a><\/li>\n<li><a href=\"#section2\">2. Key Applications<\/a><\/li>\n<li><a href=\"#section3\">3. Usage Instructions<\/a><\/li>\n<li><a href=\"#section4\">4. Practical Case Studies<\/a><\/li>\n<li><a href=\"#contact\">Contact Information<\/a><\/li>\n<\/ul><\/div>\n<p>        <!-- Section 1: Product Overview --><\/p>\n<div id=\"section1\" class=\"section\">\n<h2>1. Product Overview<\/h2>\n<p><strong>1,5-Naphthalenedisulfonic Acid<\/strong> (CAS 81-04-9) is a sulfonic acid derivative with the molecular formula <strong>C<sub>10<\/sub>H<sub>8<\/sub>O<sub>6<\/sub>S<sub>2<\/sub><\/strong>. Key specifications include:<\/p>\n<ul>\n<li><strong>Molecular Weight:<\/strong> 288.3 g\/mol<\/li>\n<li><strong>Appearance:<\/strong> White to off-white crystalline powder<\/li>\n<li><strong>Solubility:<\/strong> Soluble in water and alkaline solutions<\/li>\n<li><strong>Storage:<\/strong> Store in a cool, dry place away from light and moisture<\/li>\n<\/ul><\/div>\n<p>        <!-- Section 2: Key Applications --><\/p>\n<div id=\"section2\" class=\"section\">\n<h2>2. Key Applications<\/h2>\n<p>1,5-Naphthalenedisulfonic acid serves as a versatile intermediate in:<\/p>\n<ul>\n<li><strong>Dye & Pigment Industry:<\/strong> Synthesis of azo dyes and optical brighteners<\/li>\n<li><strong>Pharmaceuticals:<\/strong> Precursor for active pharmaceutical ingredients (APIs)<\/li>\n<li><strong>Water Treatment:<\/strong> Chelating agent for metal ion removal<\/li>\n<li><strong>Electroplating:<\/strong> Additive for surface finishing processes<\/li>\n<\/ul><\/div>\n<p>        <!-- Section 3: Usage Instructions --><\/p>\n<div id=\"section3\" class=\"section\">\n<h2>3. Usage Instructions<\/h2>\n<h3>Safety Precautions:<\/h3>\n<ul>\n<li>Wear PPE (gloves, goggles, lab coat)<\/li>\n<li>Avoid inhalation or direct skin contact<\/li>\n<\/ul>\n<h3>Processing Guidelines:<\/h3>\n<ol>\n<li>Dissolve in alkaline solutions (pH 8-10) at 40-60\u00b0C<\/li>\n<li>Use stoichiometric ratios per reaction requirements<\/li>\n<li>Neutralize residuals before disposal<\/li>\n<\/ol><\/div>\n<p>        <!-- Section 4: Case Studies --><\/p>\n<div id=\"section4\" class=\"section\">\n<h2>4. Practical Case Studies<\/h2>\n<h3>Case 1: Dye Intermediate Synthesis<\/h3>\n<p>A textile manufacturer used 1,5-NDSA (2.5 kg) reacted with aniline derivatives to produce a high-yield (92%) azo dye batch, achieving superior color fastness.<\/p>\n<h3>Case 2: Pharmaceutical Intermediate<\/h3>\n<p>In API production, 1,5-NDSA was sulfonated under controlled conditions (80\u00b0C, 4 hrs) to synthesize a hypertension drug precursor with 98.5% purity.<\/p>\n<\/p><\/div>\n<p>        <!-- Contact Information --><\/p>\n<div id=\"contact\" class=\"section\">\n<h2>Contact Information<\/h2>\n<p>For technical queries or bulk orders:<\/p>\n<ul>\n<li>Email: <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>\n<p>This HTML structure includes SEO-optimized headings, anchor links for navigation, and detailed technical content compliant with Google's guidelines. The code focuses on keyword-rich terms like \"1,5-Naphthalenedisulfonic Acid CAS 81-04-9\", \"applications\", and \"usage\" while maintaining professional readability.<\/p>","protected":false},"excerpt":{"rendered":"<p>1,5-Naphthalenedisulfonic Acid (CAS 81-04-9) User Guide: Applications, Usage &#038; Case Studies Table of Contents 1. Product Overview 2. Key Applications 3. Usage Instructions 4. Practical Case Studies Contact Information 1. Product Overview 1,5-Naphthalenedisulfonic Acid (CAS 81-04-9) is a sulfonic acid derivative with the molecular formula C10H8O6S2. Key specifications include: Molecular Weight: 288.3 g\/mol Appearance: White [&hellip;]<\/p>\n","protected":false},"featured_media":21981,"comment_status":"closed","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":{"0":"post-1650","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 v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Factory Supply 1,5-Naphthalenedisulfonic acid CAS 81-04-9 With Low 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\/en_au\/product\/1650.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Factory Supply 1,5-Naphthalenedisulfonic acid CAS 81-04-9 With Low Price\" \/>\n<meta property=\"og:description\" content=\"1,5-Naphthalenedisulfonic Acid (CAS 81-04-9) User Guide: Applications, Usage &amp; Case Studies Table of Contents 1. 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