Description

1-Bromo-2-pentene is a versatile halogenated alkene intermediate with significant utility in organic synthesis. Its value lies in its reactivity as an alkylating agent and its role as a building block for more complex molecules, offering chemists a reliable route to introduce functionalized pentene chains. This compound is essential for research and development laboratories, pharmaceutical synthesis, and agrochemical manufacturing where precise molecular construction is required.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and other crop protection agents.
• Organic Synthesis Reagent: Acts as an alkylating agent in cross-coupling reactions (e.g., Suzuki, Heck) and other transition metal-catalyzed processes.
• Material Science Research: Employed in the development of specialty polymers, liquid crystals, and advanced organic materials.
• Flavor and Fragrance Industry: Utilized as a precursor for synthesizing specific aroma compounds.
• Academic & R&D: A valuable reagent for methodological development and exploratory chemistry in university and industrial research settings.

Basic Information

Product Name	1-Bromo-2-pentene
CAS No.	20599-27-3
Molecular Formula	C5H9Br
Molecular Weight	149.03 g/mol
Synonyms	2-Penten-1-yl bromide; (2-Pentenyl) bromide; 1-Bromo-2-pentene (cis- and trans- mixture); 2-Penten-1-ylbromide; Pent-2-en-1-yl bromide; Allyl bromide, 2-methyl-; 1-Bromopent-2-ene
EINECS	Contact for details

Quality Control

Our 1-Bromo-2-pentene is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system is designed to meet the stringent requirements of GMP and ISO standards for intermediate chemicals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture ingress and volatility loss.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.33 g/mL
Boiling Point	~125-130 °C
Refractive Index (n20D)	~1.475 - 1.485
Related Substances (GC)	Total impurities ≤ 3.0%

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