{"id":11396,"date":"2026-09-24T02:03:11","date_gmt":"2026-09-24T02:03:11","guid":{"rendered":"https:\/\/longchangchemical.com\/?post_type=product&#038;p=11396"},"modified":"2026-09-24T02:03:18","modified_gmt":"2026-09-24T02:03:18","slug":"detda-chain-extender-cas-68479-98-1","status":"publish","type":"product","link":"https:\/\/longchangchemical.com\/it\/product\/detda-chain-extender-cas-68479-98-1\/","title":{"rendered":"CHLUMICURE\u00ae DETDA \/ Polyurethane &#038; Polyurea Chain Extender CAS 68479-98-1"},"content":{"rendered":"<h2>DETDA Polyurethane &amp; Polyurea Chain Extender<\/h2>\n<p>CHLUMICURE\u00ae DETDA, CAS 68479-98-1. DETDA is an aromatic diamine used for chain extension and curing in compatible polyurethane and polyurea systems. It is particularly relevant to reaction injection molding (RIM) and spray polyurea elastomer (SPUA) formulations.<\/p>\n<h2>Identificazione del prodotto<\/h2>\n<table>\n<tbody>\n<tr>\n<th scope=\"row\">Marchio<\/th>\n<td>CHLUMICURE\u00ae<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Modello<\/th>\n<td>DETDA<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Nome chimico<\/th>\n<td>Diethyltoluenediamine<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Numero CAS<\/th>\n<td>68479-98-1<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Chemical Class<\/th>\n<td>Liquid aromatic diamine<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Applicazioni<\/h2>\n<ul>\n<li>Reaction injection molding: evaluate DETDA as the reactive amine component in an appropriate RIM formulation.<\/li>\n<li>Spray polyurea elastomers: select against the required reaction profile and processing equipment.<\/li>\n<li>Polyurethane elastomers and epoxy resins: an amine curing component for compatible formulations.<\/li>\n<\/ul>\n<h2>Published Supplier Reference Data<\/h2>\n<p>The following values are reported for the reference supplier\u2019s grade and are provided for preliminary selection only. They are not confirmed CHLUMICURE\u00ae sales specifications or lot test results. Obtain the current specification and COA for the grade offered before ordering.<\/p>\n<table>\n<tbody>\n<tr>\n<th scope=\"row\">Aspetto<\/th>\n<td>Liquido trasparente giallo chiaro<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Purezza (GC)<\/th>\n<td>\u226598%<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Color (Gardner)<\/th>\n<td>&lt;5<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Contenuto d'acqua<\/th>\n<td>\u22640,1%<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">3,5-Diethyltoluene-2,4-diamine<\/th>\n<td>75\u201382%<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">3,5-Diethyltoluene-2,6-diamine<\/th>\n<td>17\u201324%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Grade Selection and Processing<\/h2>\n<p>The published reference describes an isomer mixture. Confirm the isomer profile, amine value, moisture limit and reaction behavior for the grade offered. DETDA and DMTDA are different materials; do not transfer a mixing ratio or process schedule between them without evaluation.<\/p>\n<p>Tell us the resin or prepolymer type, processing method and required end-use properties. Agree the reactive-group balance, working time and cure conditions with your formulation team. No universal dosage or guaranteed finished-product performance is specified here.<\/p>\n<h2>Packaging, Storage and Safety<\/h2>\n<p>Package size, availability, lead time and shelf life are subject to confirmation in the quotation. Request the current TDS, SDS and available batch COA. Follow the supplied SDS and label for storage, protective measures, transport and disposal. This product page does not replace safety documentation.<\/p>\n<h2>Request Pricing or Samples<\/h2>\n<p>Quote CHLUMICURE\u00ae DETDA, CAS 68479-98-1, and provide your application, quantity and destination. Use the inquiry form below or contact <a href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a>.<\/p>\n<h2>Prodotti correlati<\/h2>\n<ul>\n<li><a href=\"https:\/\/longchangchemical.com\/it\/product\/dmtda-chain-extender-cas-106264-79-3\/\">CHLUMICURE\u00ae DMTDA \u2014 CAS 106264-79-3<\/a><\/li>\n<li><a href=\"https:\/\/longchangchemical.com\/it\/product\/hqee-chain-extender-cas-104-38-1\/\">CHLUMICURE\u00ae HQEE \u2014 CAS 104-38-1<\/a><\/li>\n<\/ul>\n<p><a href=\"https:\/\/longchangchemical.com\/it\/product-category\/curing-agents-chain-extenders\/\">Explore CHLUMICURE\u00ae Curing Agents &amp; Chain Extenders<\/a><\/p>\n<h2>Technical Reference<\/h2>\n<p>Public product information reviewed on 24 September 2026: <a href=\"https:\/\/www.chenhua.cc\/product\/detda.html\" target=\"_blank\" rel=\"noopener noreferrer\">Shanghai Chenhua \u2014 DETDA<\/a>. Reference brands identify the source only; affiliation, identical grade specifications and interchangeability are not implied.<\/p>","protected":false},"excerpt":{"rendered":"<p>CHLUMICURE\u00ae DETDA (CAS 68479-98-1) \u2014 Polyurethane &amp; Polyurea Chain Extender.<\/p>\n<p>DETDA is an aromatic diamine used for chain extension and curing in compatible polyurethane and polyurea systems. It is particularly relevant to reaction injection molding (RIM) and spray polyurea elastomer (SPUA) formulations.<\/p>\n<p>Request current grade specifications, pricing and samples. Published supplier data are for preliminary reference.<\/p>","protected":false},"featured_media":11397,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[204],"product_tag":[],"class_list":{"0":"post-11396","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-curing-agents-chain-extenders","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>DETDA Chain Extender CAS 68479-98-1 | CHLUMICURE\u00ae<\/title>\n<meta name=\"description\" content=\"CHLUMICURE\u00ae DETDA, CAS 68479-98-1: polyurethane &amp; polyurea chain extender. 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