Description

(±)-2-Bromobutane CAS NO 5787-31-5 is a versatile alkyl halide intermediate essential for introducing the butyl group in complex organic syntheses. Its high reactivity, particularly in nucleophilic substitution and Grignard reagent formation, makes it a critical building block for research and industrial-scale production. This compound is primarily needed by pharmaceutical manufacturers, agrochemical developers, and advanced materials researchers for creating active ingredients, specialty chemicals, and functional polymers.

Application

• Pharmaceutical Intermediate: Key starting material for the synthesis of active pharmaceutical ingredients (APIs) and various drug candidates.
• Agrochemical Synthesis: Used in the production of herbicides, pesticides, and plant growth regulators.
• Organic Synthesis Reagent: Employed in alkylation reactions, Grignard reagent preparation, and as a precursor for other organobromine compounds.
• Material Science Research: Serves as a monomer or modifying agent in the development of specialty polymers and advanced materials.
• Chemical Research & Development: A standard reagent in laboratories for method development, catalysis studies, and exploring new reaction pathways.
• Flavor & Fragrance Industry: Potential intermediate in the synthesis of certain aroma chemicals and flavoring agents.

Basic Information

Product Name	(±)-2-Bromobutane
CAS No.	5787-31-5
Molecular Formula	C4H9Br
Molecular Weight	137.02 g/mol
Synonyms	sec-Butyl bromide; 2-Bromobutane; Butane, 2-bromo-; (±)-sec-Butyl bromide; DL-2-Bromobutane; Racemic 2-bromobutane; 1-Methylpropyl bromide; Methyl ethyl bromomethane
EINECS	227-297-4

Quality Control

Our (±)-2-Bromobutane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system is designed to meet the rigorous standards required by pharmaceutical and fine chemical industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place away from heat, sparks, and open flame. Due to its highly volatile nature, keep container tightly sealed when not in use. Recommended storage temperature is 2-8°C to minimize degradation and maintain stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Density (20°C)	1.255 - 1.265 g/mL
Boiling Point	90 - 92°C
Refractive Index (n20D)	1.436 - 1.438
Water Content (KF)	≤ 0.1%
Related Substances (GC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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