Description

5-Bromo-2-methyl-2-pentene is a versatile halogenated olefin building block with significant utility in advanced organic synthesis. Its value lies in its reactive bromine atom and alkene functionality, making it a key intermediate for constructing complex molecular architectures. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for applications such as cross-coupling reactions and the synthesis of active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of pesticides, herbicides, and other crop protection agents.
• Material Science Research: Acts as a monomer or functionalization agent in the development of specialty polymers and advanced materials.
• Cross-Coupling Reactions: An effective substrate in Suzuki, Heck, and other palladium-catalyzed cross-coupling reactions to form carbon-carbon bonds.
• Organic Synthesis Reagent: Employed in laboratories for nucleophilic substitution, elimination, and addition reactions to introduce the 2-methyl-2-pentenyl moiety.
• Flavor & Fragrance Industry: Potential intermediate for the synthesis of specific aroma chemicals and flavor compounds.

Basic Information

Item	Detail
Product Name	5-Bromo-2-methyl-2-pentene
CAS No.	2270-59-9
Molecular Formula	C6H11Br
Molecular Weight	163.06 g/mol
Synonyms	2-Methyl-2-penten-5-yl bromide; 5-Bromo-2-methylpent-2-ene; 1-Bromo-3-methyl-3-butene; (3-Methylbut-2-en-1-yl)methyl bromide; 3-Methyl-2-butenylmethyl bromide; beta,γ-Dimethylallyl bromide (homolog); Prenylmethyl bromide
EINECS	218-881-8

Quality Control

Our 5-Bromo-2-methyl-2-pentene is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance for your synthetic applications. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and compliance with your specifications.

Storage

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

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.4680 - 1.4720
Density (20°C)	1.20 - 1.30 g/mL

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