{"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":"2025-11-30T18:28:52","modified_gmt":"2025-11-30T10:28:52","slug":"1-bromo-4-pentene","status":"publish","type":"product","link":"https:\/\/www.honorpigment.com\/fr\/produit\/1-bromo-4-pentene\/","title":{"rendered":"1-Bromo-4-pent\u00e8ne (CAS NO. : 1119-51-3)"},"content":{"rendered":"

Aper\u00e7u du produit<\/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

Propri\u00e9t\u00e9s<\/h3>\n

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

    \n
  • \u00c9tat physique<\/strong>: Liquide (\u00e0 temp\u00e9rature ambiante).<\/li>\n
  • Apparence<\/strong>: Liquide clair, incolore \u00e0 jaune clair.<\/li>\n
  • Odeur<\/strong>: Non sp\u00e9cifi\u00e9.<\/li>\n
  • Point de fusion<\/strong>: -106.7 \u00b0C (estimate).<\/li>\n
  • Point d'\u00e9bullition<\/strong>: 126-127 \u00b0C at 765 mmHg (lit.).<\/li>\n
  • Densit\u00e9<\/strong>: 1.258 g\/mL at 25 \u00b0C (lit.).<\/li>\n
  • Solubilit\u00e9<\/strong>: Insoluble in water; soluble in organic solvents like chloroform, ethanol, and ether.<\/li>\n
  • Stabilit\u00e9<\/strong>: Stable under normal conditions; incompatible with strong oxidizing agents; flammable.<\/li>\n
  • Toxicit\u00e9<\/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

    Applications<\/h3>\n

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

      \n
    • Interm\u00e9diaire de synth\u00e8se organique<\/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
    • R\u00e9actif<\/strong>: Employed in the production of pharmaceuticals, agrochemicals, fragrances, polymers, and as an analytical reagent.<\/li>\n
    • Autres<\/strong>: Serves as a versatile building block in organic chemistry for introducing alkyl chains with functional groups.<\/li>\n<\/ul>\n

      Classification<\/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
      Type de classification<\/th>\nCat\u00e9gorie sp\u00e9cifique<\/th>\nDescription<\/th>\n<\/tr>\n<\/thead>\n
      Classe chimique<\/strong><\/td>\nAlkyl Halide (Bromoalkene)<\/td>\nAn unsaturated bromoalkane, reactive in nucleophilic substitution and addition reactions.<\/td>\n<\/tr>\n
      Classe d'utilisation<\/strong><\/td>\nR\u00e9actif de synth\u00e8se organique\/Interm\u00e9diaire<\/td>\nPrincipalement utilis\u00e9 comme r\u00e9actif et interm\u00e9diaire dans la synth\u00e8se chimique.<\/td>\n<\/tr>\n
      Classe de danger<\/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
      Classe r\u00e9glementaire<\/strong><\/td>\nProduit chimique contr\u00f4l\u00e9 (REACH, TSCA)<\/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>","protected":false},"excerpt":{"rendered":"

      N\u00b0 CAS : 1119-51-3<\/p>\n

      Contenu:98.00%<\/p>\n

      Application : Utilis\u00e9 dans la synth\u00e8se st\u00e9r\u00e9os\u00e9lective du 7\u03b1-(3-carboxypropyl) estradiol, la pr\u00e9paration de thioac\u00e9tates comme ceux des d\u00e9riv\u00e9s de l'acide sialique, et les synth\u00e8ses r\u00e9centes de la DL-histrionicotoxine et des acides gras contenant de la benzoph\u00e9none, etc.<\/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","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.honorpigment.com\/fr\/wp-json\/wp\/v2\/product\/3216","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.honorpigment.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.honorpigment.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":0,"href":"https:\/\/www.honorpigment.com\/fr\/wp-json\/wp\/v2\/product\/3216\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.honorpigment.com\/fr\/wp-json\/wp\/v2\/media\/3217"}],"wp:attachment":[{"href":"https:\/\/www.honorpigment.com\/fr\/wp-json\/wp\/v2\/media?parent=3216"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.honorpigment.com\/fr\/wp-json\/wp\/v2\/product_brand?post=3216"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.honorpigment.com\/fr\/wp-json\/wp\/v2\/product_cat?post=3216"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.honorpigment.com\/fr\/wp-json\/wp\/v2\/product_tag?post=3216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}