Description

2-Bromo-2-Pentene is a versatile halogenated alkene intermediate of significant importance in synthetic organic chemistry. Its primary value lies in its reactivity as an electrophilic alkene and alkylating agent, enabling the construction of more complex molecular frameworks. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it serves as a key building block for active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Serves as a precursor in the manufacture of pesticides, herbicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in cross-coupling reactions (e.g., Suzuki, Heck) and nucleophilic substitution reactions to introduce pentene moieties.
• Material Science Research: Utilized in the development of novel polymers, liquid crystals, and organic electronic materials.
• Chemical Research & Development: Acts as a standard reagent in method development and exploratory chemistry in academic and industrial labs.
• Flavor and Fragrance Industry: May be used in the synthesis of specific aroma compounds.

Basic Information

Product Name	2-Bromo-2-Pentene
CAS No.	80204-19-9
Molecular Formula	C5H9Br
Molecular Weight	149.03 g/mol
Synonyms	2-Penten-2-yl Bromide; (E)-2-Bromo-2-pentene; (Z)-2-Bromo-2-pentene; 2-Bromo-2-pentene (mixed isomers); 2-Bromopent-2-ene; Pent-2-en-2-yl bromide
EINECS	Contact for details

Quality Control

Our 2-Bromo-2-Pentene is produced and handled under a strict quality management system. Each batch undergoes rigorous analytical testing, including GC, NMR, and purity assays, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber-colored or stored in light-resistant packaging.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0% (Typical 97-99%)
Isomer Ratio (GC)	Specified upon request
Water Content (KF)	≤ 0.5%

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