1-Bromo-4-chlorobutane (CAS 6940-78-9)

Product Description

1-Bromo-4-chlorobutane is a halogenated aliphatic compound with the chemical formula C4H8BrCl. This clear, colorless liquid is widely used as a reagent in organic synthesis, particularly in the production of pharmaceuticals and fine chemicals. Its bifunctional nature, containing both bromine and chlorine atoms, makes it a versatile building block for various chemical reactions.

Properties

Property	Value
Molecular Formula	C4H8BrCl
Molecular Weight	171.46 g/mol
Physical State	Liquid
Color	Clear
Density	1.488 g/mL at 25°C
Boiling Point	80-82°C at 30 mmHg
Refractive Index	1.4875 at 20°C
Flash Point	60°C (140°F)
Solubility	Slightly soluble in water; soluble in chloroform

Usage

1-Bromo-4-chlorobutane is primarily used as a reagent in organic synthesis. It is employed in the production of spirohydantoin derivatives, which are potent multireceptor-active antipsychotic and antidepressant agents. Its dual halogen functionality makes it ideal for applications requiring a bifunctional halogenated butane, such as in the synthesis of complex pharmaceutical intermediates.

Packaging and Transportation

Packaged in chemically resistant glass bottles to ensure product integrity. As a flammable liquid, transportation complies with international hazardous material regulations, classified under UN 1993, Packing Group III, with proper labeling and handling.

Storage

Store in a cool, dry place below 30°C, away from heat sources and incompatible materials. Keep containers tightly closed to prevent exposure to air and moisture.