Description

5-Bromo-1-pentene is a versatile halogenated alkene building block with significant utility in organic synthesis. Its terminal alkene and bromine functionalities make it a valuable intermediate for constructing more complex molecules through cross-coupling and addition reactions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a pentyl chain with a reactive handle.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where its structure serves as a core building block.
• Material Science: Employed as a monomer or cross-linking agent in polymer chemistry to introduce bromine functionality or alkenyl groups into polymer backbones.
• Organic Synthesis: Serves as a crucial reagent in palladium-catalyzed cross-coupling reactions (e.g., Heck, Suzuki) and nucleophilic substitution reactions to form carbon-carbon and carbon-heteroatom bonds.
• Ligand and Catalyst Preparation: Utilized in the synthesis of specialized phosphine or nitrogen-based ligands for catalytic systems.
• Flavor and Fragrance Industry: Acts as a precursor in the synthesis of specific aroma chemicals and flavor compounds.

Basic Information

Product Name	5-Bromo-1-pentene
CAS No.	1119-51-3
Molecular Formula	C5H9Br
Molecular Weight	149.03 g/mol
Synonyms	1-Pentene, 5-bromo-; 5-Bromopent-1-ene; Allyl bromide, 3-bromo-; 3-Bromoallyl bromide; 1-Bromo-4-pentene; Pent-1-en-5-yl bromide; Bromoamylene
EINECS	214-280-9

Quality Control

Our 5-Bromo-1-pentene is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for every batch, detailing key parameters such as assay, identity, and impurity profiles. Our quality systems are designed to meet the rigorous standards required for research and industrial-scale applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use. Recommended storage temperature is 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	1.223 - 1.233 g/mL
Refractive Index (n20D)	1.463 - 1.473
Water Content (KF)	≤ 0.5%

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