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5-Bromovaleronitrilo (N.º CAS: 5414-21-1)

5-Bromovaleronitrilo (N.º CAS: 5414-21-1)

CAS NO: 5414-21-1

Conteúdo:98.00%

Aplicação: Utilizado como reagente para preparar produtos intermédios essenciais, como benzil(metil)amino)pentanenitrilo para a síntese de N-metilcadaverina; sais de brometo de 1-cianobutil-3-alquilbenzimidazólio por reação com N-alquilbenzimidazóis; tridecanenitrilo por acoplamento cruzado catalisado por Ni com dioctilzinco; e ácido 5-bromo-pentanóico.

Descrição

Visão geral do produto

5-Bromovaleronitrile (also known as 5-Bromopentanenitrile or 4-Bromobutyl Cyanide) CAS No.: 5414-21-1 , with the chemical formula C₅H₈BrN and a molecular weight of 162.03 g/mol. It is a clear colorless to light orange or yellow liquid. This compound belongs to the class of alkyl halides and nitriles and is primarily used in organic synthesis as a reactant and intermediate, though it is subject to safety regulations due to its toxic and irritant properties.

Propriedades

5-Bromovaleronitrile exhibits the following key physical and chemical properties:

  • Estado físico: Líquido (à temperatura ambiente).
  • Aparência: Clear colorless to light orange or yellow liquid.
  • Odor: Não especificado.
  • Ponto de fusão: Não disponível.
  • Ponto de ebulição: 110-111 °C (at 12 mmHg).
  • Densidade: 1.388 g/mL (at 25 °C).
  • Solubilidade: Slightly soluble in water (4.1 g/L at 25 °C); miscible with organic solvents like ethanol and ether.
  • Estabilidade: Stable under normal conditions; store under inert atmosphere at 2-8 °C; incompatible with strong oxidizing agents.
  • Toxicidade: Moderately toxic; harmful if swallowed, in contact with skin, or inhaled; causes skin irritation, serious eye irritation, and respiratory irritation; no known carcinogenicity.

Aplicações

The primary applications of 5-bromovaleronitrile include:

  • Intermediário de síntese orgânica: Used as a reactant to prepare key intermediates such as benzyl(methyl)amino)pentanenitrile for N-methylcadaverine synthesis; 1-cyanobutyl-3-alkylbenzimidazolium bromide salts by reaction with N-alkylbenzimidazoles; tridecanenitrile via Ni-catalyzed cross-coupling with dioctylzinc; and 5-bromo-pentanoic acid.
  • Outros: Employed as a building block in the production of pharmaceuticals, agrochemicals, and fine chemicals.

Classificação

The following table outlines the classification of 5-bromovaleronitrile based on chemical properties, uses, and regulations:

Tipo de classificação Categoria específica Descrição
Classe química Alkyl Halide (Bromoalkane) / Nitrile A brominated alkyl nitrile, reactive in nucleophilic substitution reactions.
Classe de utilização Reagente de síntese orgânica/Intermédio Primarily used as a reactant and intermediate in chemical synthesis.
Classe de perigo Toxic Liquid (UN 3276); Irritant Toxic (Class 6.1, Packing Group III); harmful if swallowed (H302), in contact with skin (H312), or inhaled (H331); causes skin irritation (H315), eye irritation (H319), and respiratory irritation (H335); GHS07 Warning.
Classe de regulamentação Controlled Chemical (TSCA) Listed under  US TSCA; WGK 3 in Germany; HS Code 29269090; subject to environmental and safety controls.

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