Aug 15, 2025

5-Bromo-1-pentene CAS 1119-51-3: High-Purity Intermediate for Organic Synthesis Introduction

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Introduction
5-Bromo-1-pentene (CAS 1119-51-3) is a versatile halogenated alkene widely used as an organic synthesis intermediate in the pharmaceutical, agrochemical, and fine chemical industries. Its unique molecular structure, containing both a bromine atom and an alkene functional group, makes it a valuable starting material for producing a wide range of target compounds.


 

Chemical Profile of 5-Bromo-1-pentene CAS 1119-51-3

Chemical Name: 5-Bromo-1-pentene

CAS Number: 1119-51-3

Molecular Formula: C5H9Br

Molar Mass: 149.03 g/mol

Appearance: Colorless to pale yellow liquid

Boiling Point: 130–132 °C

Density: ~1.27 g/cm³

High-purity 5-Bromo-1-pentene chemical is essential for achieving optimal yields and product quality in chemical synthesis applications.


 

Applications of 5-Bromo-1-pentene

Pharmaceutical Intermediates

Used in the synthesis of active pharmaceutical ingredients (APIs) and medicinal compounds.

Serves as a key building block in drug discovery and development projects.

Agrochemical Synthesis

Precursor for manufacturing pesticides, herbicides, and fungicides.

Fine Chemical Industry

Applied in the preparation of specialty chemicals, polymers, and functional materials.

Organic Chemistry Research

Used as a reagent for studying alkylation, halogenation, and addition reactions.

Choosing a reliable 5-Bromo-1-pentene supplier ensures consistent purity and quality for these industrial applications.


 

Market and Supply Insights

The 5-Bromo-1-pentene market is supported by strong demand from pharmaceutical and agrochemical manufacturing sectors. Major 5-Bromo-1-pentene manufacturers are located in China and India, offering competitive pricing and large-scale production capabilities. Buyers typically evaluate suppliers based on:

GMP or ISO certification

Competitive 5-Bromo-1-pentene price for bulk orders

Availability of COA, MSDS, and TDS

Reliable export packaging and logistics


 

Quality Standards and Compliance

High-quality 5-Bromo-1-pentene CAS 1119-51-3 must meet strict purity standards, with low levels of moisture and impurities. Reputable suppliers conduct rigorous quality control, including GC analysis, to ensure product stability during storage and transportation.

When planning to buy 5-Bromo-1-pentene online, it is recommended to choose a GMP-compliant manufacturer with proven export experience.


 

Conclusion
5-Bromo-1-pentene (CAS 1119-51-3) is an important halogenated alkene for organic synthesis, with applications spanning pharmaceuticals, agrochemicals, and specialty chemicals. Selecting a trusted 5-Bromo-1-pentene supplier or manufacturer ensures product consistency, regulatory compliance, and cost-effective sourcing for global markets.

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