Description

Aperçu du produit

1-Bromo-4-pentene (also known as 5-Bromo-1-penteneor 4-Pentenyl bromide) CAS No.: 1119-51-3 , with the chemical formula C₅H₉Br 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.

Propriétés

5-Bromo-1-pentene exhibits the following key physical and chemical properties:

• État physique: Liquide (à température ambiante).
• Apparence: Liquide clair, incolore à jaune clair.
• Odeur: Non spécifié.
• Point de fusion: -106.7 °C (estimate).
• Point d'ébullition: 126-127 °C at 765 mmHg (lit.).
• Densité: 1.258 g/mL at 25 °C (lit.).
• Solubilité: Insoluble in water; soluble in organic solvents like chloroform, ethanol, and ether.
• Stabilité: Stable under normal conditions; incompatible with strong oxidizing agents; flammable.
• Toxicité: Moderately toxic; causes skin irritation, eye irritation, and respiratory irritation; may cause dizziness, nausea, and central nervous system effects upon inhalation.

Applications

The primary applications of 5-bromo-1-pentene include:

• Intermédiaire de synthèse organique: Used in the stereoselective synthesis of 7α-(3-carboxypropyl) estradiol, preparation of thioacetates like those in sialic acid derivatives, and recent syntheses of DL-histrionicotoxin and benzophenone-containing fatty acids.
• Réactif: Employed in the production of pharmaceuticals, agrochemicals, fragrances, polymers, and as an analytical reagent.
• Autres: Serves as a versatile building block in organic chemistry for introducing alkyl chains with functional groups.

Classification

The following table outlines the classification of 5-bromo-1-pentene based on chemical properties, uses, and regulations: