Description

1-Bromo-2-Chloro-2-Butene is a versatile halogenated alkene intermediate of significant importance in advanced organic synthesis. Its unique structure, featuring both bromine and chlorine atoms on an unsaturated butene backbone, makes it a valuable building block for constructing complex molecules. This compound is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for applications requiring precise functional group transformations.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing halogenated motifs or for subsequent cross-coupling reactions.
• Agrochemical Synthesis: Used in the manufacturing of herbicides, fungicides, and insecticides, where its reactive halogen atoms facilitate the creation of potent bioactive compounds.
• Organic Synthesis Building Block: Employed in laboratory-scale and pilot-scale reactions, including nucleophilic substitutions, eliminations, and metal-catalyzed couplings (e.g., Suzuki, Heck).
• Material Science Research: Acts as a monomer or functionalization agent in the development of novel polymers and advanced materials with specific properties.
• Chemical Research & Development: A valuable reagent for exploring new synthetic pathways and methodologies in academic and industrial research settings.

Basic Information

Product Name	1-Bromo-2-Chloro-2-Butene
CAS No.	54410-84-3
Molecular Formula	C₄H₆BrCl
Molecular Weight	169.45 g/mol
Synonyms	2-Butene, 1-bromo-2-chloro-; 1-Bromo-2-chlorobut-2-ene; (E/Z)-1-Bromo-2-chloro-2-butene; 2-Chloro-1-bromo-2-butene; Bromochlorobutene
EINECS	Contact for details

Quality Control

Our 1-Bromo-2-Chloro-2-Butene is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (NMR, IR), to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for every shipment. We are committed to meeting the exacting standards required for research and industrial synthesis.

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 acids and organic solvents. Recommended storage temperature is 2-8°C for extended stability. Keep container tightly sealed when not in use to prevent moisture ingress and volatility.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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