Description

4-Bromobutyric Acid is a versatile brominated carboxylic acid derivative, serving as a key building block in organic synthesis. Its reactive bromine and carboxylic acid functionalities make it a valuable intermediate for constructing more complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), including GABA-related compounds and other heterocyclic drugs.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, where the butyric acid chain can be modified for specific biological activity.
• Liquid Crystal & Polymer Chemistry: Acts as a starting material for synthesizing monomers and intermediates used in liquid crystal displays (LCDs) and specialty polymers.
• Organic Synthesis Building Block: Employed in nucleophilic substitution reactions, cyclizations (e.g., lactam formation), and chain-extension protocols to introduce the 4-carbon bromoalkyl segment.
• Bioconjugation & Linker Chemistry: Useful for creating cleavable linkers or introducing functional handles in bioconjugation and proteomics research.
• Flavor & Fragrance Industry: Serves as an intermediate for the synthesis of certain esters and aroma chemicals.

Basic Information

Product Name	4-Bromobutyric Acid
CAS No.	2623-87-2
Molecular Formula	C4H7BrO2
Molecular Weight	167.00 g/mol
Synonyms	γ-Bromobutyric Acid; 4-Bromobutanoic Acid; Butyric acid, 4-bromo-; NSC 9376; UNII-2Y5Q5780CQ; 4-Bromobutyrate; (4-Bromobutyl)carboxylic acid
EINECS	220-071-9

Quality Control

Our 4-Bromobutyric Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay (HPLC), identity confirmation (IR), and impurity profiling, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) with lot-specific data are provided to guarantee traceability and consistency for your R&D and production needs.

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 bases and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. The product is a strong acid/organic solvent; handle with appropriate personal protective equipment.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.488 - 1.492
Density (g/mL, 20°C)	1.55 - 1.65

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