{"id":3216,"date":"2025-08-28T16:34:00","date_gmt":"2025-08-28T08:34:00","guid":{"rendered":"https:\/\/www.honorpigments.com\/?post_type=product&#038;p=3216"},"modified":"2026-04-13T22:51:35","modified_gmt":"2026-04-13T14:51:35","slug":"1-bromo-4-pentene","status":"publish","type":"product","link":"https:\/\/www.honorpigment.com\/ru\/product\/1-bromo-4-pentene\/","title":{"rendered":"1-\u0411\u0440\u043e\u043c-4-\u043f\u0435\u043d\u0442\u0435\u043d (CAS NO.: 1119-51-3)"},"content":{"rendered":"<h3 dir=\"auto\">\u041e\u0431\u0437\u043e\u0440 \u043f\u0440\u043e\u0434\u0443\u043a\u0446\u0438\u0438<\/h3>\n<p dir=\"auto\"><strong>1-Bromo-4-pentene<\/strong> (also known as <strong>5-Bromo-1-pentene<\/strong>or 4-Pentenyl bromide) CAS No.: 1119-51-3 , with the chemical formula C\u2085H\u2089Br and a molecular weight of 149.03 g\/mol. It is a clear colorless to light yellow liquid. This compound belongs to the class of alkyl halides with an alkene group and is primarily used in organic synthesis and as a reagent, though it is subject to safety regulations due to its flammable and irritant properties.<\/p>\n<h3 dir=\"auto\">\u0421\u0432\u043e\u0439\u0441\u0442\u0432\u0430<\/h3>\n<p dir=\"auto\">5-Bromo-1-pentene exhibits the following key physical and chemical properties:<\/p>\n<ul dir=\"auto\">\n<li><strong>\u0424\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435<\/strong>: \u0416\u0438\u0434\u043a\u043e\u0441\u0442\u044c (\u043f\u0440\u0438 \u043a\u043e\u043c\u043d\u0430\u0442\u043d\u043e\u0439 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0435).<\/li>\n<li><strong>\u0412\u043d\u0435\u0448\u043d\u0438\u0439 \u0432\u0438\u0434<\/strong>: \u041f\u0440\u043e\u0437\u0440\u0430\u0447\u043d\u0430\u044f \u0431\u0435\u0441\u0446\u0432\u0435\u0442\u043d\u0430\u044f \u0434\u043e \u0441\u0432\u0435\u0442\u043b\u043e-\u0436\u0435\u043b\u0442\u043e\u0433\u043e \u0436\u0438\u0434\u043a\u043e\u0441\u0442\u044c.<\/li>\n<li><strong>\u0417\u0430\u043f\u0430\u0445<\/strong>: \u041d\u0435 \u0443\u043a\u0430\u0437\u0430\u043d\u043e.<\/li>\n<li><strong>\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430 \u043f\u043b\u0430\u0432\u043b\u0435\u043d\u0438\u044f<\/strong>: -106.7 \u00b0C (estimate).<\/li>\n<li><strong>\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430 \u043a\u0438\u043f\u0435\u043d\u0438\u044f<\/strong>: 126-127 \u00b0C at 765 mmHg (lit.).<\/li>\n<li><strong>\u041f\u043b\u043e\u0442\u043d\u043e\u0441\u0442\u044c<\/strong>: 1.258 g\/mL at 25 \u00b0C (lit.).<\/li>\n<li><strong>\u0420\u0430\u0441\u0442\u0432\u043e\u0440\u0438\u043c\u043e\u0441\u0442\u044c<\/strong>: Insoluble in water; soluble in organic solvents like chloroform, ethanol, and ether.<\/li>\n<li><strong>\u0421\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0441\u0442\u044c<\/strong>: Stable under normal conditions; incompatible with strong oxidizing agents; flammable.<\/li>\n<li><strong>\u0422\u043e\u043a\u0441\u0438\u0447\u043d\u043e\u0441\u0442\u044c<\/strong>: Moderately toxic; causes skin irritation, eye irritation, and respiratory irritation; may cause dizziness, nausea, and central nervous system effects upon inhalation.<\/li>\n<\/ul>\n<h3 dir=\"auto\">\u041f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f<\/h3>\n<p dir=\"auto\">The primary applications of 5-bromo-1-pentene include:<\/p>\n<ul dir=\"auto\">\n<li><strong>\u041f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u044b\u0439 \u043f\u0440\u043e\u0434\u0443\u043a\u0442 \u043e\u0440\u0433\u0430\u043d\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0441\u0438\u043d\u0442\u0435\u0437\u0430<\/strong>: Used in the stereoselective synthesis of 7\u03b1-(3-carboxypropyl) estradiol, preparation of thioacetates like those in sialic acid derivatives, and recent syntheses of DL-histrionicotoxin and benzophenone-containing fatty acids.<\/li>\n<li><strong>\u0420\u0435\u0430\u0433\u0435\u043d\u0442<\/strong>: Employed in the production of pharmaceuticals, agrochemicals, fragrances, polymers, and as an analytical reagent.<\/li>\n<li><strong>\u0414\u0440\u0443\u0433\u0438\u0435<\/strong>: Serves as a versatile building block in organic chemistry for introducing alkyl chains with functional groups.<\/li>\n<\/ul>\n<h3 dir=\"auto\">\u041a\u043b\u0430\u0441\u0441\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f<\/h3>\n<p dir=\"auto\">The following table outlines the classification of 5-bromo-1-pentene 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\">\u0422\u0438\u043f \u043a\u043b\u0430\u0441\u0441\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438<\/th>\n<th data-col-size=\"lg\">\u041a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u0430\u044f \u043a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u044f<\/th>\n<th data-col-size=\"xl\">\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-col-size=\"sm\"><strong>\u0425\u0438\u043c\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043a\u043b\u0430\u0441\u0441<\/strong><\/td>\n<td data-col-size=\"lg\">Alkyl Halide (Bromoalkene)<\/td>\n<td data-col-size=\"xl\">An unsaturated bromoalkane, reactive in nucleophilic substitution and addition reactions.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>\u041a\u043b\u0430\u0441\u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f<\/strong><\/td>\n<td data-col-size=\"lg\">\u0420\u0435\u0430\u0433\u0435\u043d\u0442 \u043f\u043e \u043e\u0440\u0433\u0430\u043d\u0438\u0447\u0435\u0441\u043a\u043e\u043c\u0443 \u0441\u0438\u043d\u0442\u0435\u0437\u0443\/\u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u044b\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c<\/td>\n<td data-col-size=\"xl\">\u0412 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0440\u0435\u0430\u0433\u0435\u043d\u0442\u0430 \u0438 \u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430 \u0432 \u0445\u0438\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u043c \u0441\u0438\u043d\u0442\u0435\u0437\u0435.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>\u041a\u043b\u0430\u0441\u0441 \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438<\/strong><\/td>\n<td data-col-size=\"lg\">Flammable Liquid (UN 1993); Irritant<\/td>\n<td data-col-size=\"xl\">Flammable (H225, flash point ~31 \u00b0C); skin irritant (H315), eye irritant (H319), respiratory irritant (H335); Packing Group III.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>\u0420\u0435\u0433\u0443\u043b\u044f\u0442\u043e\u0440\u043d\u044b\u0439 \u043a\u043b\u0430\u0441\u0441<\/strong><\/td>\n<td data-col-size=\"lg\">\u041a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u043c\u043e\u0435 \u0445\u0438\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u0432\u0435\u0449\u0435\u0441\u0442\u0432\u043e (REACH, TSCA)<\/td>\n<td data-col-size=\"xl\">Listed under EU REACH and US TSCA; subject to environmental and safety controls (WGK 3 in Germany).<\/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>\u2116 \u041a\u0410\u0421: 1119-51-3<\/p>\n<p>\u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435:98.00%<\/p>\n<p>\u041f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435: \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 \u0441\u0442\u0435\u0440\u0435\u043e\u0441\u0435\u043b\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u043c \u0441\u0438\u043d\u0442\u0435\u0437\u0435 7\u03b1-(3-\u043a\u0430\u0440\u0431\u043e\u043a\u0441\u0438\u043f\u0440\u043e\u043f\u0438\u043b) \u044d\u0441\u0442\u0440\u0430\u0434\u0438\u043e\u043b\u0430, \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0438 \u0442\u0438\u043e\u0430\u0446\u0435\u0442\u0430\u0442\u043e\u0432, \u043f\u043e\u0434\u043e\u0431\u043d\u044b\u0445 \u0442\u0435\u043c, \u0447\u0442\u043e \u0432\u0445\u043e\u0434\u044f\u0442 \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u043d\u044b\u0445 \u0441\u0438\u0430\u043b\u043e\u0432\u043e\u0439 \u043a\u0438\u0441\u043b\u043e\u0442\u044b, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0432 \u043d\u0435\u0434\u0430\u0432\u043d\u0438\u0445 \u0441\u0438\u043d\u0442\u0435\u0437\u0430\u0445 DL-\u0433\u0438\u0441\u0442\u0440\u0438\u043e\u043d\u0438\u043a\u043e\u0442\u043e\u043a\u0441\u0438\u043d\u0430 \u0438 \u0431\u0435\u043d\u0437\u043e\u0444\u0435\u043d\u043e\u043d\u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0449\u0438\u0445 \u0436\u0438\u0440\u043d\u044b\u0445 \u043a\u0438\u0441\u043b\u043e\u0442 \u0438 \u0442.\u0434..<\/p>","protected":false},"featured_media":3217,"template":"","meta":[],"product_brand":[],"product_cat":[86],"product_tag":[],"class_list":{"0":"post-3216","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-brominated-compounds-and-derivatives","7":"stm_brands-honor-intermediates","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.honorpigment.com\/ru\/wp-json\/wp\/v2\/product\/3216","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.honorpigment.com\/ru\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.honorpigment.com\/ru\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":1,"href":"https:\/\/www.honorpigment.com\/ru\/wp-json\/wp\/v2\/product\/3216\/revisions"}],"predecessor-version":[{"id":8687,"href":"https:\/\/www.honorpigment.com\/ru\/wp-json\/wp\/v2\/product\/3216\/revisions\/8687"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.honorpigment.com\/ru\/wp-json\/wp\/v2\/media\/3217"}],"wp:attachment":[{"href":"https:\/\/www.honorpigment.com\/ru\/wp-json\/wp\/v2\/media?parent=3216"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.honorpigment.com\/ru\/wp-json\/wp\/v2\/product_brand?post=3216"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.honorpigment.com\/ru\/wp-json\/wp\/v2\/product_cat?post=3216"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.honorpigment.com\/ru\/wp-json\/wp\/v2\/product_tag?post=3216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}