1-Bromo-4-chlorobutane

1-Bromo-4-chlorobutane is a clear liquid featuring two different halogen atoms on a four-carbon chain. The differing reactivity of the bromide and chloride allows for selective substitution in multi-step syntheses.

Basic Information

CAS No.	6940-78-9
EC No.	230-058-5
Linear Formula	C4H8BrCl
Molecular Weight	171.46
Appearance	Colorless to light yellow clear liquid
Melting Point (°C)	Not available (typical reference)
Boiling Point (°C)	80-82 (30 mmHg) (lit.)
Density (g/mL at 20–25 °C)	1.488 (lit.)
Solubility	Insoluble in water; soluble in common organic solvents
Storage Conditions	Store in a cool, dry place away from light in a tightly closed container
Chemical Structure

Key Applications

• Pharmaceutical intermediate: Employed in the preparation of pharmaceutical compounds through selective nucleophilic substitution reactions.

• Organic synthesis intermediate: Serves as a bifunctional linker for chain elongation and functional group installation in target molecules.

• Fine chemical intermediate: Used in the manufacture of specialty chemicals requiring controlled dihalide reactivity.

• Laboratory research: Applied in medicinal chemistry for the development of novel bioactive structures.

• Process development: Facilitates route optimization and scale-up of synthetic processes involving haloalkane intermediates.

• Consistent product quality: High-purity specifications maintained through rigorous in-house testing for reliable performance across batches.

• Flexible global supply: Established logistics networks ensure timely delivery for laboratory, pilot, and commercial quantities worldwide.

• SDS and COA support: Complete documentation including SDS and COA delivered promptly to support regulatory and quality needs.

• Packaging and technical service: Liquid packaging in HDPE drums and small sample bottles tailored to project scale with expert technical guidance.