Description

1-Bromo-4-Chlorobutane is a versatile bifunctional alkylating agent, a key organic intermediate in advanced chemical synthesis. Its value lies in its ability to introduce both bromo and chloro functional groups, facilitating the construction of complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable building blocks for active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring specific alkyl chain linkers.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where its halogenated chain acts as a key synthetic handle.
• Liquid Crystal & Polymer Chemistry: Functions as a monomer or cross-linking agent in the development of specialty polymers and liquid crystal materials.
• Organic Synthesis Reagent: Employed in nucleophilic substitution reactions and cyclization processes to create heterocycles and other complex organic molecules.
• Chemical Research & Development: A valuable tool in academic and industrial R&D labs for exploring new synthetic pathways and material properties.
• Surface Active Agent Precursor: Can be utilized in the synthesis of quaternary ammonium compounds and other surfactants.

Basic Information

Product Name	1-Bromo-4-Chlorobutane
CAS No.	6940-78-9
Molecular Formula	C4H8BrCl
Molecular Weight	171.46 g/mol
Synonyms	4-Chloro-1-bromobutane; Butane, 1-bromo-4-chloro-; 1-Bromo-4-chlorobutane; 4-Chlorobutyl bromide; NSC 60544; Tetramethylene chlorobromide; γ-Chlorobutyl bromide; (4-Chlorobutyl)bromide
EINECS	230-085-6

Quality Control

Our 1-Bromo-4-Chlorobutane is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring reliable and traceable raw materials for GMP or research-grade synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong bases and active metals. Recommended storage temperature is 2-25°C. The product is moisture-sensitive; keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Density (at 20°C)	1.40 - 1.45 g/mL
Refractive Index (n20D)	1.480 - 1.490
Water Content (KF)	≤ 0.5%

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