{"id":1761,"date":"2025-03-07T12:06:51","date_gmt":"2025-03-07T12:06:51","guid":{"rendered":"https:\/\/vivalr.com\/product\/1761.html"},"modified":"2025-03-07T12:25:06","modified_gmt":"2025-03-07T12:25:06","slug":"factory-supply-4-nitrophthaldiamide-cas-13138-53-9-with-low-price","status":"publish","type":"product","link":"https:\/\/vivalr.com\/en_au\/product\/1761.html","title":{"rendered":"Factory Supply 4-Nitrophthaldiamide CAS 13138-53-9 With Low Price"},"content":{"rendered":"<div class=\"user-guide\">\n<h1>4-Nitrophthaldiamide CAS 13138-53-9: Technical User Guide<\/h1>\n<p>        <!-- Table of Contents --><\/p>\n<div class=\"toc\">\n<h2>Table of Contents<\/h2>\n<ul>\n<li><a href=\"#introduction\">1. Product Introduction<\/a><\/li>\n<li><a href=\"#specifications\">2. Technical Specifications<\/a><\/li>\n<li><a href=\"#applications\">3. Key Applications<\/a><\/li>\n<li><a href=\"#usage\">4. Usage Guidelines<\/a><\/li>\n<li><a href=\"#case-studies\">5. Industrial Case Studies<\/a><\/li>\n<li><a href=\"#contact\">6. Contact Information<\/a><\/li>\n<\/ul><\/div>\n<p>        <!-- Content Sections --><\/p>\n<div class=\"content-section\" id=\"introduction\">\n<h2>1. Product Introduction<\/h2>\n<p>4-Nitrophthaldiamide (CAS 13138-53-9) is a high-purity chemical intermediate extensively used in pharmaceutical synthesis and specialty chemical production. This aromatic compound features a nitro functional group and diamide structure, enabling versatile reactivity in organic reactions.<\/p>\n<\/p><\/div>\n<div class=\"content-section\" id=\"specifications\">\n<h2>2. Technical Specifications<\/h2>\n<ul>\n<li><strong>CAS Number:<\/strong> 13138-53-9<\/li>\n<li><strong>Molecular Formula:<\/strong> C<sub>8<\/sub>H<sub>7<\/sub>N<sub>3<\/sub>O<sub>4<\/sub><\/li>\n<li><strong>Appearance:<\/strong> Pale yellow crystalline powder<\/li>\n<li><strong>Purity:<\/strong> \u226599% (HPLC)<\/li>\n<li><strong>Melting Point:<\/strong> 250-253\u00b0C<\/li>\n<li><strong>Storage:<\/strong> 2-8\u00b0C in airtight container<\/li>\n<li><strong>Shelf Life:<\/strong> 24 months<\/li>\n<\/ul><\/div>\n<div class=\"content-section\" id=\"applications\">\n<h2>3. Key Applications<\/h2>\n<ul>\n<li>Intermediate in antituberculosis drug synthesis<\/li>\n<li>Precursor for fluorescent whitening agents<\/li>\n<li>Building block for polyamide resins<\/li>\n<li>Crosslinking agent in polymer chemistry<\/li>\n<li>Research chemical in organic synthesis<\/li>\n<\/ul><\/div>\n<div class=\"content-section\" id=\"usage\">\n<h2>4. Usage Guidelines<\/h2>\n<h3>Handling Procedures:<\/h3>\n<ol>\n<li>Use PPE: nitrile gloves, chemical goggles, lab coat<\/li>\n<li>Work in fume hood with proper ventilation<\/li>\n<li>Store separately from strong oxidizers<\/li>\n<li>Ground all equipment to prevent static discharge<\/li>\n<\/ol>\n<h3>Reaction Setup:<\/h3>\n<p>For typical amination reactions:<\/p>\n<ol>\n<li>Dissolve in DMF (1:5 w\/v ratio)<\/li>\n<li>Maintain reaction temperature at 60-70\u00b0C<\/li>\n<li>Use triethylamine as proton acceptor<\/li>\n<li>Monitor reaction progress by TLC<\/li>\n<\/ol><\/div>\n<div class=\"content-section\" id=\"case-studies\">\n<h2>5. Industrial Case Studies<\/h2>\n<h3>Case 1: Pharmaceutical Intermediate Production<\/h3>\n<p>In the synthesis of Ethionamide precursors:<\/p>\n<ul>\n<li>Reacted with thiourea in ethanol\/water mixture<\/li>\n<li>85\u00b0C reflux for 6 hours<\/li>\n<li>Yield: 78% after recrystallization<\/li>\n<li>Purity achieved: 99.2% (validated by NMR)<\/li>\n<\/ul>\n<h3>Case 2: Polymer Crosslinking Agent<\/h3>\n<p>In epoxy resin modification:<\/p>\n<ul>\n<li>2% w\/w addition to DGEBA resin<\/li>\n<li>Cured at 120\u00b0C for 90 minutes<\/li>\n<li>Resulted in 35% increase in flexural strength<\/li>\n<li>Improved thermal stability up to 280\u00b0C<\/li>\n<\/ul><\/div>\n<div class=\"content-section\" id=\"contact\">\n<h2>6. Contact Information<\/h2>\n<p>For technical inquiries 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>\n<p>Available for global export with COA\/MSDS documentation<\/p>\n<\/p><\/div>\n<\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>4-Nitrophthaldiamide CAS 13138-53-9: Technical User Guide Table of Contents 1. Product Introduction 2. Technical Specifications 3. Key Applications 4. Usage Guidelines 5. Industrial Case Studies 6. Contact Information 1. Product Introduction 4-Nitrophthaldiamide (CAS 13138-53-9) is a high-purity chemical intermediate extensively used in pharmaceutical synthesis and specialty chemical production. This aromatic compound features a nitro functional [&hellip;]<\/p>\n","protected":false},"featured_media":22036,"comment_status":"closed","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":{"0":"post-1761","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 4-Nitrophthaldiamide CAS 13138-53-9 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\/1761.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Factory Supply 4-Nitrophthaldiamide CAS 13138-53-9 With Low Price\" \/>\n<meta property=\"og:description\" content=\"4-Nitrophthaldiamide CAS 13138-53-9: Technical User Guide Table of Contents 1. Product Introduction 2. Technical Specifications 3. Key Applications 4. Usage Guidelines 5. Industrial Case Studies 6. Contact Information 1. Product Introduction 4-Nitrophthaldiamide (CAS 13138-53-9) is a high-purity chemical intermediate extensively used in pharmaceutical synthesis and specialty chemical production. 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Product Introduction 2. Technical Specifications 3. Key Applications 4. Usage Guidelines 5. Industrial Case Studies 6. Contact Information 1. Product Introduction 4-Nitrophthaldiamide (CAS 13138-53-9) is a high-purity chemical intermediate extensively used in pharmaceutical synthesis and specialty chemical production. 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