Description

4-Bromo-1-pentene is a versatile halogenated alkene building block, essential for introducing the pentenyl and bromo functional groups into complex molecular architectures. Its reactivity makes it a critical intermediate for synthesizing pharmaceuticals, agrochemicals, and advanced materials. This compound is particularly valuable for researchers and manufacturers in fine chemical synthesis, polymer science, and material science who require a reliable, high-purity source for cross-coupling reactions and other organic transformations.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the production of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the manufacture of pesticides, herbicides, and plant growth regulators.
• Material Science & Polymer Chemistry: Acts as a monomer or cross-linking agent in the development of specialty polymers and functional materials.
• Organic Synthesis Building Block: Employed in various reactions, including Grignard formation, Suzuki-Miyaura, and other palladium-catalyzed cross-couplings.
• Liquid Crystal & OLED Material Research: Utilized as a precursor in the synthesis of advanced electronic and optoelectronic materials.
• Flavor & Fragrance Industry: Can be used as an intermediate for synthesizing specific aroma compounds.

Basic Information

Product Name	4-Bromo-1-pentene
CAS No.	31950-56-8
Molecular Formula	C5H9Br
Molecular Weight	149.03 g/mol
Synonyms	1-Pentene, 4-bromo-; 4-Bromopent-1-ene; 4-Bromo-1-pentylene; 4-Bromopentene; 4-Bromoamylene; (4-Bromopentyl)ethene; Bromopentene
EINECS	Contact for details

Quality Control

Our 4-Bromo-1-pentene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Recommended storage temperature is 2-8°C for extended stability. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (20°C)	~1.28 g/mL
Boiling Point	~125-130°C

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.