Description

3-Bromo-2-Methylpropene is a versatile and highly reactive halogenated alkene, serving as a crucial building block in advanced organic synthesis. Its value lies in its ability to introduce the reactive bromomethyl group and the allylic functionality into target molecules, enabling the construction of complex chemical architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to synthesize active pharmaceutical ingredients (APIs), crop protection agents, and fine chemical intermediates.

Application

• Pharmaceutical Intermediate: A key starting material for the synthesis of various drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring allylic or bromomethyl motifs.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, where it acts as a reactive linker or functional group precursor.
• Polymer & Material Science: Serves as a monomer or cross-linking agent in the development of specialty polymers, resins, and functional materials.
• Organic Synthesis Reagent: Employed in alkylation, allylation, and nucleophilic substitution reactions to construct complex organic molecules in research and development.
• Flavor & Fragrance Industry: Utilized as a precursor in the synthesis of specific aroma chemicals and flavoring compounds.
• Chemical Research: A valuable reagent for exploring new reaction methodologies and developing novel synthetic pathways in academic and industrial laboratories.

Basic Information

Product Name	3-Bromo-2-Methylpropene
CAS No.	1458-98-6
Molecular Formula	C4H7Br
Molecular Weight	135.00 g/mol
Synonyms	2-Methyl-3-bromopropene; 3-Bromo-2-methylprop-1-ene; 1-Bromo-2-methylpropene; (2-Methylallyl) bromide; 2-Methylallyl bromide; Isobutenyl bromide; β-Bromoisobutylene
EINECS	215-937-9

Quality Control

Our 3-Bromo-2-Methylpropene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including GC, NMR, and impurity profiling, to meet exacting customer requirements. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We adhere to cGMP principles where applicable to support our clients in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place at a controlled room temperature (15-25°C). Due to its highly volatile nature, keep away from heat, sparks, and open flames. Ensure containers are kept tightly sealed when not in use to prevent evaporation and moisture ingress.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Density (20°C)	1.40 - 1.45 g/mL
Refractive Index (20°C)	1.470 - 1.480

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