Description

1-Bromo-3,4-Dichlorobutane is a versatile halogenated alkane intermediate of significant importance in synthetic organic chemistry. Its value lies in its bifunctional reactivity, where the bromine and chlorine atoms serve as distinct handles for sequential substitution and cyclization reactions. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those containing heterocyclic or alicyclic structures.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, leveraging its reactivity to form bioactive compounds.
• Organic Synthesis Reagent: Serves as a precursor for various nucleophilic substitution and elimination reactions in laboratory-scale and pilot-scale organic synthesis.
• Cross-Coupling Reactions: Acts as an electrophilic partner in metal-catalyzed cross-coupling reactions (e.g., Suzuki, Negishi) to form carbon-carbon bonds.
• Polymer Chemistry: Can be utilized as a monomer or chain-transfer agent in the synthesis of specialty polymers and functional materials.
• Chemical Research: Employed in academic and industrial R&D for methodological development and exploring new reaction pathways.

Basic Information

Product Name	1-Bromo-3,4-Dichlorobutane
CAS No.	26204-05-7
Molecular Formula	C4H7BrCl2
Molecular Weight	212.91 g/mol
Synonyms	3,4-Dichloro-1-bromobutane; Butane, 1-bromo-3,4-dichloro-; 1-Bromo-3,4-dichlorobutane; NSC 60550; 3,4-Dichlorobutyl bromide
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards and precise customer requirements. Each batch is characterized to confirm identity, purity, and impurity profile. Certificates of Analysis (COA) documenting these results are available upon request, providing full traceability and batch-specific data for your quality assurance protocols.

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 between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.6 g/mL
Refractive Index (n20D)	~1.51
Related Substances (GC)	Total impurities ≤ 3.0%
Water Content (KF)	≤ 0.5%

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