{"id":3207,"date":"2025-08-28T15:48:12","date_gmt":"2025-08-28T07:48:12","guid":{"rendered":"https:\/\/www.honorpigments.com\/?post_type=product&#038;p=3207"},"modified":"2026-05-02T16:48:17","modified_gmt":"2026-05-02T08:48:17","slug":"1-5-dibromopentane","status":"publish","type":"product","link":"https:\/\/www.honorpigment.com\/ja\/product\/1-5-dibromopentane\/","title":{"rendered":"1 5-\u30b8\u30d6\u30ed\u30e2\u30da\u30f3\u30bf\u30f3 (CAS NO.: 111-24-0)"},"content":{"rendered":"<h3 dir=\"auto\">\u88fd\u54c1\u6982\u8981<\/h3>\n<p dir=\"auto\"><strong>1,5-\u30b8\u30d6\u30ed\u30e2\u30da\u30f3\u30bf\u30f3<\/strong> (also known as Pentamethylene dibromide or 1,5-Pentane dibromide) CAS No.: 111-24-0 , with the chemical formula C\u2085H\u2081\u2080Br\u2082 and a molecular weight of 229.94 g\/mol. It is a clear colorless to yellow-brown liquid. This compound belongs to the class of alkyl halides and is primarily used in organic synthesis and as a reagent, though it is subject to safety regulations due to its irritant properties.<\/p>\n<h3 dir=\"auto\">\u30d7\u30ed\u30d1\u30c6\u30a3<\/h3>\n<p dir=\"auto\">1,5-Dibromopentane exhibits the following key physical and chemical properties:<\/p>\n<ul dir=\"auto\">\n<li><strong>\u7269\u7406\u7684\u72b6\u614b<\/strong>: Liquid.<\/li>\n<li><strong>\u5916\u89b3<\/strong>: Clear colorless to yellow-brown liquid.<\/li>\n<li><strong>\u81ed\u6c17<\/strong>:\u6307\u5b9a\u306a\u3057.<\/li>\n<li><strong>\u878d\u70b9<\/strong>: -34 \u00b0C (lit.).<\/li>\n<li><strong>\u6cb8\u70b9<\/strong>: 110 \u00b0C\/15 mmHg (lit.); approximately 224 \u00b0C at normal pressure.<\/li>\n<li><strong>\u5bc6\u5ea6<\/strong>: 1.688 g\/mL at 25 \u00b0C (lit.).<\/li>\n<li><strong>\u6eb6\u89e3\u5ea6<\/strong>: Soluble in chloroform and methanol (sparingly), insoluble in water.<\/li>\n<li><strong>\u5b89\u5b9a\u6027<\/strong>: Stable under normal conditions; incompatible with strong oxidizing agents.<\/li>\n<li><strong>\u6bd2\u6027<\/strong>: Moderately toxic; causes skin and eye irritation; signal word &#8220;Warning&#8221;.<\/li>\n<\/ul>\n<h3 dir=\"auto\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h3>\n<p dir=\"auto\">The primary applications of 1,5-dibromopentane include:<\/p>\n<ul dir=\"auto\">\n<li><strong>\u6709\u6a5f\u5408\u6210\u4e2d\u9593\u4f53<\/strong>: Used in the preparation of 1,5-di-Grignard reagent and novel spirocyclic pyrrolidones; synthesis of N-alkylated piperidine and tetrahydrothiopyran; derivatives of 5-pyrazolones; O-alkylated phloroglucinol derivatives for dendrimers; intermediate for dezocine.<\/li>\n<li><strong>Growth Supplement<\/strong>: Acts as a growth supplement for Yarrowia lipolytica 3589, a tropical marine yeast.<\/li>\n<li><strong>\u305d\u306e\u4ed6<\/strong>: Used in various chemical reactions and as a reagent in laboratory settings.<\/li>\n<\/ul>\n<h3 dir=\"auto\">\u5206\u985e<\/h3>\n<p dir=\"auto\">The following table outlines the classification of 1,5-dibromopentane based on chemical properties, uses, and regulations:<\/p>\n<div dir=\"auto\">\n<div>\n<div><\/div>\n<\/div>\n<table dir=\"auto\" data-wide=\"false\">\n<thead>\n<tr>\n<th data-col-size=\"sm\">\u5206\u985e\u30bf\u30a4\u30d7<\/th>\n<th data-col-size=\"lg\">\u7279\u5b9a\u306e\u30ab\u30c6\u30b4\u30ea\u30fc<\/th>\n<th data-col-size=\"xl\">\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-col-size=\"sm\"><strong>\u5316\u5b66\u30af\u30e9\u30b9<\/strong><\/td>\n<td data-col-size=\"lg\">Alkyl Halide (Dibromoalkane)<\/td>\n<td data-col-size=\"xl\">An \u03b1,\u03c9-dibromoalkane, reactive in nucleophilic substitution reactions.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>\u5229\u7528\u30af\u30e9\u30b9<\/strong><\/td>\n<td data-col-size=\"lg\">\u6709\u6a5f\u5408\u6210\u8a66 \u9a13\uff0f\u4e2d\u7d1a<\/td>\n<td data-col-size=\"xl\">\u4e3b\u306b\u5408\u6210\u4e2d\u9593\u4f53\u3084\u5316\u5b66\u53cd\u5fdc\u306e\u8a66\u85ac\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u308b\u3002.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>\u30cf\u30b6\u30fc\u30c9\u30af\u30e9\u30b9<\/strong><\/td>\n<td data-col-size=\"lg\">Irritant (GHS07)<\/td>\n<td data-col-size=\"xl\">Warning; causes skin irritation (H315) and eye irritation (H319); Hazard Codes Xi, Xn.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>\u898f\u5236\u30af\u30e9\u30b9<\/strong><\/td>\n<td data-col-size=\"lg\">\u7ba1\u7406\u5316\u5b66\u7269\u8cea\uff08REACH\u3001TSCA\uff09<\/td>\n<td data-col-size=\"xl\">TSCA Yes; WGK Germany 3; HS Code 29033036; subject to environmental and safety controls.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"honor-product-overview\" style=\"margin-top:40px;border-top:2px solid #f6c405;padding-top:30px\">\n<h3>Why Choose Honor Pigments?<\/h3>\n<ul>\n<li>\ud83c\udf0d <strong>Global Export Expertise<\/strong> \u2014 Trusted by customers in 40+ countries for consistent quality and reliable supply<\/li>\n<li>\u2705 <strong>Strict Quality Control<\/strong> \u2014 ISO 9001 certified with batch-to-batch consistency and zero-defect policy<\/li>\n<li>\ud83d\udcb0 <strong>OEM Production Advantage<\/strong> \u2014 Competitive pricing without compromising pigment performance<\/li>\n<li>\ud83e\uddea <strong>Technical Support<\/strong> \u2014 Free color matching, formulation advice and sample testing before bulk order<\/li>\n<\/ul>\n<div style=\"background:#f8f9fa;padding:20px;border-left:4px solid #f6c405;margin:20px 0\">\n<p><strong>\ud83d\udce9 Need more details?<\/strong><\/p>\n<p>Request TDS, SDS, or a free sample for testing.<\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>CAS\u756a\u53f7\uff1a111-24-0<\/p>\n<p>\u5185\u5bb9\u91cf\uff1a99.00%<\/p>","protected":false},"featured_media":3208,"template":"","meta":{"rank_math_focus_keyword":"1 5-Dibromopentane","rank_math_description":"1 5-Dibromopentane (CAS 111-24-0, C\u2085H\u2081\u2080Br\u2082, 229.94 g\/mol): Clear colorless-yellow liquid (alkyl halide) for organic synthesis; irritant, regulated.","rank_math_robots":null,"_rank_math_focus_keyword":"1 5-dibromopentane (cas no.: 111-24-0)","rank_math_seo_score":"70"},"product_brand":[],"product_cat":[86],"product_tag":[98],"class_list":{"0":"post-3207","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-brominated-compounds-and-derivatives","7":"product_tag-15dibromopentane","8":"stm_brands-honor-intermediates","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.honorpigment.com\/ja\/wp-json\/wp\/v2\/product\/3207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.honorpigment.com\/ja\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.honorpigment.com\/ja\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":1,"href":"https:\/\/www.honorpigment.com\/ja\/wp-json\/wp\/v2\/product\/3207\/revisions"}],"predecessor-version":[{"id":8691,"href":"https:\/\/www.honorpigment.com\/ja\/wp-json\/wp\/v2\/product\/3207\/revisions\/8691"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.honorpigment.com\/ja\/wp-json\/wp\/v2\/media\/3208"}],"wp:attachment":[{"href":"https:\/\/www.honorpigment.com\/ja\/wp-json\/wp\/v2\/media?parent=3207"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.honorpigment.com\/ja\/wp-json\/wp\/v2\/product_brand?post=3207"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.honorpigment.com\/ja\/wp-json\/wp\/v2\/product_cat?post=3207"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.honorpigment.com\/ja\/wp-json\/wp\/v2\/product_tag?post=3207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}