Description

2-Bromo-2-Butene is a versatile halogenated alkene intermediate of significant importance in synthetic organic chemistry. Its primary value lies in its reactivity as an alkylating agent and as a building block for introducing the butenyl moiety into more complex molecular structures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to synthesize active ingredients, fine chemicals, and advanced materials. The product is supplied under the identifier CAS NO 13294-71-8.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of various active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and plant growth regulators.
• Organic Synthesis Reagent: Acts as an alkylating agent and a precursor in Grignard reactions and cross-coupling reactions for creating complex organic molecules.
• Polymer & Material Science: Employed as a monomer or modifier in the development of specialty polymers and advanced materials.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D in exploring new synthetic pathways.
• Flavor & Fragrance Industry: Utilized in the synthesis of specific aroma chemicals and flavor compounds.

Basic Information

Item	Detail
Product Name	2-Bromo-2-Butene
CAS No.	13294-71-8
Molecular Formula	C4H7Br
Molecular Weight	135.00 g/mol
Synonyms	2-Butenyl Bromide; Crotyl Bromide; (E)-1-Bromo-2-butene; (Z)-1-Bromo-2-butene; Bromobutene; 2-Bromobut-2-ene; 1-Bromo-2-butene; But-2-enyl bromide
EINECS	Contact for details

Quality Control

Our 2-Bromo-2-Butene is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including GC, HPLC, and NMR, to verify identity, potency, and impurity profiles. We are committed to supply chain reliability and provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality management system supports compliance with global regulatory standards.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated place, away from heat sources and open flame. Recommended storage temperature is 2-8°C. Keep container tightly sealed when not in use to prevent evaporation and contamination. Store away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.35 - 1.45
Boiling Point	~ 90-95°C

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