Description

2-Bromobutane is a versatile alkyl halide intermediate essential for introducing the butyl group in complex organic syntheses. Its reactivity makes it a critical building block for the production of pharmaceuticals, agrochemicals, and specialty materials. This compound is primarily sought by R&D laboratories and industrial manufacturers in the chemical synthesis, pharmaceutical, and fragrance sectors for nucleophilic substitution and Grignard reactions.

Application

• Pharmaceutical Intermediate: Key starting material in the synthesis of active pharmaceutical ingredients (APIs) and various therapeutic agents.
• Agrochemical Synthesis: Used in the manufacturing of pesticides, herbicides, and other crop protection chemicals.
• Organic Synthesis & Research: Serves as a fundamental reagent for alkylation reactions, Grignard reagent preparation, and cross-coupling reactions in laboratory and process chemistry.
• Specialty Chemicals Production: Employed in the synthesis of flavors, fragrances, dyes, and liquid crystals.
• Polymer Modification: Acts as a chain transfer or modifying agent in certain polymerization processes.

Basic Information

Product Name	2-Bromobutane
CAS No.	78-76-2
Molecular Formula	C4H9Br
Molecular Weight	137.02 g/mol
Synonyms	sec-Butyl bromide; Butane, 2-bromo-; (RS)-2-Bromobutane; (±)-2-Bromobutane; 1-Methylpropyl bromide; Methyl ethyl bromomethane; Ethyl methyl bromomethane; 2-Butyl bromide
EINECS	201-139-8

Quality Control

Our 2-Bromobutane is manufactured under stringent quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes comprehensive analytical testing, including gas chromatography (GC) for assay and impurity profiling. A Certificate of Analysis (COA) detailing purity, identity, and specific test results is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent evaporation and moisture ingress.

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
Refractive Index (n20D)	1.436 - 1.438
Water Content (KF)	≤ 0.1%

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