Description

Crotonyl Bromide is a versatile and reactive organobromine compound, primarily used as a key alkylating agent and building block in advanced organic synthesis. Its high reactivity makes it an essential intermediate for constructing complex molecular frameworks, offering significant value in research and industrial chemical production. This product is particularly critical for pharmaceutical R&D, agrochemical manufacturing, and the synthesis of specialty polymers and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), especially for molecules containing the crotonyl moiety.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the development of specialty polymers with unique properties.
• Organic Synthesis Reagent: Acts as a powerful alkylating and coupling agent in complex organic reactions, including Michael additions and nucleophilic substitutions.
• Material Science Research: Employed in the creation of novel organic materials and liquid crystals.
• Chemical Derivatization: Used to introduce the bromocrotonyl functional group into target molecules for further modification or analysis.

Basic Information

Product Name	Crotonyl Bromide
CAS No.	55600-70-9
Molecular Formula	C₄H₅BrO
Molecular Weight	149.00 g/mol
Synonyms	2-Butenoyl Bromide; (E)-2-Butenoyl Bromide; trans-Crotonyl Bromide; Crotonic Acid Bromide; Bromo-2-buten-1-one; 1-Bromo-1-oxo-2-butene; α,β-Unsaturated acyl bromide
EINECS	Contact for details

Quality Control

Our Crotonyl Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay by GC/HPLC and impurity profiling, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and safety parameters is provided with every shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic and moisture-sensitive nature, the container should be kept tightly sealed under an inert atmosphere (e.g., nitrogen) to prevent degradation. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	Total impurities ≤ 3.0%

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