{"id":505,"date":"2025-03-07T12:05:35","date_gmt":"2025-03-07T12:05:35","guid":{"rendered":"https:\/\/vivalr.com\/product\/505.html"},"modified":"2025-03-07T12:22:37","modified_gmt":"2025-03-07T12:22:37","slug":"high-quality-27-dibromo-2%e2%80%b27%e2%80%b2-di-tert-butyl-99%e2%80%b2-spirobifluorene-cas-439791-57-8-with-best-price","status":"publish","type":"product","link":"https:\/\/vivalr.com\/pt\/product\/505.html","title":{"rendered":"High Quality 2,7-dibroMo-2\u2032,7\u2032-di-tert-butyl-9,9\u2032-spirobi[fluorene] CAS 439791-57-8 With Best Price"},"content":{"rendered":"<div class=\"product-guide\">\n<h1>High Quality 2,7-dibromo-2\u2032,7\u2032-di-tert-butyl-9,9\u2032-spirobi[fluorene] CAS 439791-57-8: 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=\"#section1\">1. Product Overview<\/a><\/li>\n<li><a href=\"#section2\">2. Applications and Uses<\/a><\/li>\n<li><a href=\"#section3\">3. Usage Instructions<\/a><\/li>\n<li><a href=\"#section4\">4. Detailed Use Cases<\/a><\/li>\n<li><a href=\"#section5\">5. Contact Information<\/a><\/li>\n<\/ul><\/div>\n<p>        <!-- Product Overview --><\/p>\n<div id=\"section1\" class=\"section\">\n<h2>1. Product Overview<\/h2>\n<p><strong>High Quality 2,7-dibromo-2\u2032,7\u2032-di-tert-butyl-9,9\u2032-spirobi[fluorene]<\/strong> (CAS 439791-57-8) is an advanced organic compound with the following specifications:<\/p>\n<ul>\n<li><strong>Molecular Formula:<\/strong> C\u2083\u2083H\u2083\u2084Br\u2082<\/li>\n<li><strong>Molecular Weight:<\/strong> 626.43 g\/mol<\/li>\n<li><strong>Appearance:<\/strong> White to off-white crystalline powder<\/li>\n<li><strong>Purity:<\/strong> \u226599% (HPLC)<\/li>\n<li><strong>Storage:<\/strong> Store at 2-8\u00b0C in a dark, dry environment<\/li>\n<\/ul><\/div>\n<p>        <!-- Applications and Uses --><\/p>\n<div id=\"section2\" class=\"section\">\n<h2>2. Applications and Uses<\/h2>\n<p>This compound is widely utilized in:<\/p>\n<ul>\n<li>Organic light-emitting diodes (OLEDs) as a key hole-transport material<\/li>\n<li>Photonics and optoelectronic device research<\/li>\n<li>Polymer synthesis for high-performance materials<\/li>\n<li>Semiconductor manufacturing processes<\/li>\n<\/ul><\/div>\n<p>        <!-- Usage Instructions --><\/p>\n<div id=\"section3\" class=\"section\">\n<h2>3. Usage Instructions<\/h2>\n<ul>\n<li>Handle under inert gas (e.g., nitrogen) to prevent degradation<\/li>\n<li>Use anhydrous solvents for dissolution (e.g., toluene, THF)<\/li>\n<li>Recommended concentration: 0.1-1.0 wt% in host matrices<\/li>\n<li>Thermal evaporation temperature: 250-300\u00b0C (under vacuum)<\/li>\n<li>Always wear PPE: gloves, goggles, and lab coat<\/li>\n<\/ul><\/div>\n<p>        <!-- Detailed Use Cases --><\/p>\n<div id=\"section4\" class=\"section\">\n<h2>4. Detailed Use Cases<\/h2>\n<h3>Case 1: OLED Fabrication<\/h3>\n<p>In OLED device stacks, this compound demonstrates:<\/p>\n<ul>\n<li>High hole mobility (>10\u207b\u00b3 cm\u00b2\/Vs)<\/li>\n<li>Excellent thermal stability (T<sub>d<\/sub> > 400\u00b0C)<\/li>\n<li>Luminance efficiency improvement of 15-20% vs standard materials<\/li>\n<\/ul>\n<h3>Case 2: Photonic Crystal Engineering<\/h3>\n<p>Researchers have achieved:<\/p>\n<ul>\n<li>Refractive index modulation of 1.8-2.2 at 550 nm<\/li>\n<li>Low optical loss (<0.5 dB\/cm) in waveguide applications<\/li>\n<li>Enhanced device lifetime (>10,000 hrs at 100 cd\/m\u00b2)<\/li>\n<\/ul><\/div>\n<p>        <!-- Contact Information --><\/p>\n<div id=\"section5\" class=\"section\">\n<h2>5. Contact Information<\/h2>\n<p>For technical inquiries or orders:<\/p>\n<p><strong>Email:<\/strong> <a href=\"mailto:info@vivalr.com\">info@vivalr.com<\/a><\/p>\n<p><strong>Phone:<\/strong> <a href=\"tel:+8615866781826\">(86) 15866781826<\/a><\/p>\n<\/p><\/div>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>High Quality 2,7-dibromo-2\u2032,7\u2032-di-tert-butyl-9,9\u2032-spirobi[fluorene] CAS 439791-57-8: User Guide Table of Contents 1. Product Overview 2. Applications and Uses 3. Usage Instructions 4. Detailed Use Cases 5. Contact Information 1. Product Overview High Quality 2,7-dibromo-2\u2032,7\u2032-di-tert-butyl-9,9\u2032-spirobi[fluorene] (CAS 439791-57-8) is an advanced organic compound with the following specifications: Molecular Formula: C\u2083\u2083H\u2083\u2084Br\u2082 Molecular Weight: 626.43 g\/mol Appearance: White to off-white [&hellip;]<\/p>\n","protected":false},"featured_media":21419,"comment_status":"closed","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":{"0":"post-505","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>High Quality 2,7-dibroMo-2\u2032,7\u2032-di-tert-butyl-9,9\u2032-spirobi[fluorene] CAS 439791-57-8 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\/505.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"High Quality 2,7-dibroMo-2\u2032,7\u2032-di-tert-butyl-9,9\u2032-spirobi[fluorene] CAS 439791-57-8 With Best Price\" \/>\n<meta property=\"og:description\" content=\"High Quality 2,7-dibromo-2\u2032,7\u2032-di-tert-butyl-9,9\u2032-spirobi[fluorene] CAS 439791-57-8: User Guide Table of Contents 1. 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