Description

4-Bromobutyrylbromide is a versatile and highly reactive bifunctional organic bromide, serving as a critical building block in advanced organic synthesis. Its value lies in its ability to introduce both a bromoalkyl chain and an acid bromide functionality in a single step, enabling efficient multi-step transformations. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, particularly for the synthesis of active pharmaceutical ingredients (APIs), complex intermediates, and novel materials.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing active pharmaceutical ingredients (APIs), especially those requiring bromoalkyl or butyric acid derivatives.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents that incorporate brominated side chains.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the synthesis of specialty polymers and functional materials.
• Ligand and Catalyst Preparation: Employed in the synthesis of complex ligands for metal-organic frameworks (MOFs) and organometallic catalysts.
• Organic Synthesis Reagent: A versatile reagent for nucleophilic substitution reactions and for introducing the 4-bromobutyryl moiety into target molecules.
• Life Sciences Research: Used in biochemical research for protein modification, probe synthesis, and as a precursor for fluorescent tags.

Basic Information

Product Name	4-Bromobutyrylbromide
CAS No.	56489-06-6
Molecular Formula	C4H6Br2O
Molecular Weight	229.90 g/mol
Synonyms	4-Bromobutanoyl Bromide; 4-Bromobutyryl Bromide; γ-Bromobutyryl Bromide; Butanoyl bromide, 4-bromo-; NSC 169042; 4-Bromobutyric acid bromide; 4-Bromo-1-oxobutyl bromide
EINECS	Contact for details

Quality Control

Our 4-Bromobutyrylbromide is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at 2-8°C. This product is hygroscopic (moisture-sensitive) and reacts with strong acids/organic solvents. Keep away from heat, sparks, open flames, and incompatible materials such as bases, alcohols, and amines.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 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.