Description

2-Butenylmagnesium Chloride is a versatile organometallic reagent belonging to the class of Grignard reagents. It serves as a critical building block for introducing the 2-butenyl functional group into target molecules, enabling the synthesis of complex organic structures. This compound is essential for research and development laboratories, as well as production facilities in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediates: Key reagent in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates.
• Agrochemical Synthesis: Used to construct active molecules for herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Enables the creation of specialty chemicals, flavors, fragrances, and advanced materials.
• Polymer Chemistry: Acts as a monomer or chain-transfer agent in the development of novel polymers with specific properties.
• Cross-Coupling Reactions: Employed in palladium-catalyzed reactions (e.g., Kumada coupling) for carbon-carbon bond formation.
• Academic & Industrial R&D: A fundamental tool for synthetic chemists exploring new reaction pathways and molecular architectures.

Basic Information

Item	Details
Product Name	2-Butenylmagnesium Chloride
CAS No.	22649-70-3
Molecular Formula	C4H7ClMg
Molecular Weight	114.85 g/mol
Synonyms	Crotylmagnesium Chloride; (2-Butenyl)magnesium Chloride; 1-Methyl-2-propenylmagnesium Chloride; But-2-enylmagnesium Chloride; 2-Buten-1-ylmagnesium Chloride; Magnesium, chloro(2-butenyl)-; (E/Z)-2-Butenylmagnesium Chloride
EINECS	Contact for details

Quality Control

Our 2-Butenylmagnesium Chloride is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including titration for Grignard concentration and GC analysis for purity and solvent composition, to ensure it meets the high standards required for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. This product is highly volatile, hygroscopic (moisture-sensitive), and easily oxidized. It must be stored under an inert atmosphere (argon or nitrogen) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C. Keep away from heat, sparks, open flames, and incompatible materials such as water, acids, and oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to light yellow solution
Concentration (in THF or Ether)	0.5 M - 2.0 M (Typical)
Assay (by Titration)	≥ 95%
Identity (IR / NMR)	Conforms

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