{"id":3216,"date":"2025-08-28T16:34:00","date_gmt":"2025-08-28T08:34:00","guid":{"rendered":"https:\/\/www.honorpigments.com\/?post_type=product&p=3216"},"modified":"2026-05-02T22:29:43","modified_gmt":"2026-05-02T14:29:43","slug":"1-bromo-4-pentene","status":"publish","type":"product","link":"https:\/\/www.honorpigment.com\/ja\/product\/1-bromo-4-pentene\/","title":{"rendered":"1-\u30d6\u30ed\u30e2-4-\u30da\u30f3\u30c6\u30f3 (CAS NO.: 1119-51-3)"},"content":{"rendered":"

\u88fd\u54c1\u6982\u8981<\/h3>\n

1-Bromo-4-pentene<\/strong> (also known as 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

\u30d7\u30ed\u30d1\u30c6\u30a3<\/h3>\n

5-Bromo-1-pentene exhibits the following key physical and chemical properties:<\/p>\n

    \n
  • \u7269\u7406\u7684\u72b6\u614b<\/strong>:\u6db2\u4f53\uff08\u5ba4\u6e29\uff09\u3002.<\/li>\n
  • \u5916\u89b3<\/strong>: Clear colorless to light yellow liquid.<\/li>\n
  • \u81ed\u6c17<\/strong>:\u6307\u5b9a\u306a\u3057.<\/li>\n
  • \u878d\u70b9<\/strong>: -106.7 \u00b0C (estimate).<\/li>\n
  • \u6cb8\u70b9<\/strong>: 126-127 \u00b0C at 765 mmHg (lit.).<\/li>\n
  • \u5bc6\u5ea6<\/strong>: 1.258 g\/mL at 25 \u00b0C (lit.).<\/li>\n
  • \u6eb6\u89e3\u5ea6<\/strong>: Insoluble in water; soluble in organic solvents like chloroform, ethanol, and ether.<\/li>\n
  • \u5b89\u5b9a\u6027<\/strong>: Stable under normal conditions; incompatible with strong oxidizing agents; flammable.<\/li>\n
  • \u6bd2\u6027<\/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

    \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h3>\n

    The primary applications of 5-bromo-1-pentene include:<\/p>\n

      \n
    • \u6709\u6a5f\u5408\u6210\u4e2d\u9593\u4f53<\/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
    • \u8a66\u85ac<\/strong>: Employed in the production of pharmaceuticals, agrochemicals, fragrances, polymers, and as an analytical reagent.<\/li>\n
    • \u305d\u306e\u4ed6<\/strong>: Serves as a versatile building block in organic chemistry for introducing alkyl chains with functional groups.<\/li>\n<\/ul>\n

      \u5206\u985e<\/h3>\n

      The following table outlines the classification of 5-bromo-1-pentene based on chemical properties, uses, and regulations:<\/p>\n

      \n
      \n
      <\/div>\n<\/div>\n\n\n\n\n\n\n\n\n
      \u5206\u985e\u30bf\u30a4\u30d7<\/th>\n\u7279\u5b9a\u306e\u30ab\u30c6\u30b4\u30ea\u30fc<\/th>\n\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n
      \u5316\u5b66\u30af\u30e9\u30b9<\/strong><\/td>\nAlkyl Halide (Bromoalkene)<\/td>\nAn unsaturated bromoalkane, reactive in nucleophilic substitution and addition reactions.<\/td>\n<\/tr>\n
      \u5229\u7528\u30af\u30e9\u30b9<\/strong><\/td>\n\u6709\u6a5f\u5408\u6210\u8a66 \u9a13\uff0f\u4e2d\u7d1a<\/td>\nPrimarily used as a reagent and intermediate in chemical synthesis.<\/td>\n<\/tr>\n
      \u30cf\u30b6\u30fc\u30c9\u30af\u30e9\u30b9<\/strong><\/td>\nFlammable Liquid (UN 1993); Irritant<\/td>\nFlammable (H225, flash point ~31 \u00b0C); skin irritant (H315), eye irritant (H319), respiratory irritant (H335); Packing Group III.<\/td>\n<\/tr>\n
      \u898f\u5236\u30af\u30e9\u30b9<\/strong><\/td>\n\u7ba1\u7406\u5316\u5b66\u7269\u8cea\uff08REACH\u3001TSCA\uff09<\/td>\nListed 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
      \n

      Why Choose Honor Pigments?<\/h3>\n
        \n
      • \ud83c\udf0d Global Export Expertise<\/strong> \u2014 Trusted by customers in 40+ countries for consistent quality and reliable supply<\/li>\n
      • \u2705 Strict Quality Control<\/strong> \u2014 ISO 9001 certified with batch-to-batch consistency and zero-defect policy<\/li>\n
      • \ud83d\udcb0 OEM Production Advantage<\/strong> \u2014 Competitive pricing without compromising pigment performance<\/li>\n
      • \ud83e\uddea Technical Support<\/strong> \u2014 Free color matching, formulation advice and sample testing before bulk order<\/li>\n<\/ul>\n
        \n

        \ud83d\udce9 Need more details?<\/strong><\/p>\n

        Request TDS, SDS, or a free sample for testing.<\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

        CAS\u756a\u53f7: 1119-51-3<\/p>\n

        \u5185\u5bb9\u91cf\uff1a98.00%<\/p>\n

        \u7528\u90147\u03b1-(3-\u30ab\u30eb\u30dc\u30ad\u30b7\u30d7\u30ed\u30d4\u30eb)\u30a8\u30b9\u30c8\u30e9\u30b8\u30aa\u30fc\u30eb\u306e\u7acb\u4f53\u9078\u629e\u7684\u5408\u6210\u3001\u30b7\u30a2\u30eb\u9178\u8a98\u5c0e\u4f53\u306e\u3088\u3046\u306a\u30c1\u30aa\u9162\u9178\u30a8\u30b9\u30c6\u30eb\u306e\u8abf\u88fd\u3001DL-\u30d2\u30b9\u30c8\u30ea\u30aa\u30cb\u30b3\u30c8\u30ad\u30b7\u30f3\u3084\u30d9\u30f3\u30be\u30d5\u30a7\u30ce\u30f3\u542b\u6709\u8102\u80aa\u9178\u306e\u6700\u8fd1\u306e\u5408\u6210\u306a\u3069\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002.<\/p>","protected":false},"featured_media":3217,"template":"","meta":{"rank_math_focus_keyword":"1-Bromo-4-pentene (CAS NO.: 1119-51-3)","rank_math_description":"5-Bromo-1-pentene (also known as 1-Bromo-4-pentene 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.","rank_math_robots":null,"_rank_math_focus_keyword":"1-bromo-4-pentene (cas no.: 1119-51-3)","rank_math_seo_score":"32"},"product_brand":[],"product_cat":[86],"product_tag":[451],"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":"product_tag-brominated-compounds-and-derivatives","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\/3216","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\/3216\/revisions"}],"predecessor-version":[{"id":8687,"href":"https:\/\/www.honorpigment.com\/ja\/wp-json\/wp\/v2\/product\/3216\/revisions\/8687"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.honorpigment.com\/ja\/wp-json\/wp\/v2\/media\/3217"}],"wp:attachment":[{"href":"https:\/\/www.honorpigment.com\/ja\/wp-json\/wp\/v2\/media?parent=3216"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.honorpigment.com\/ja\/wp-json\/wp\/v2\/product_brand?post=3216"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.honorpigment.com\/ja\/wp-json\/wp\/v2\/product_cat?post=3216"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.honorpigment.com\/ja\/wp-json\/wp\/v2\/product_tag?post=3216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}