Description

n-Butylmagnesium Bromide is a highly reactive organomagnesium compound, widely recognized as a Grignard reagent. Its primary value lies in its powerful nucleophilic character, making it an essential building block for the formation of carbon-carbon bonds in complex organic synthesis. This reagent is indispensable for research and production chemists in the pharmaceutical, agrochemical, and advanced materials sectors, where it is used to introduce the n-butyl group into target molecules.

Application

• Pharmaceutical Intermediate Synthesis: Key reagent for constructing active pharmaceutical ingredients (APIs) and fine chemicals through nucleophilic addition reactions.
• Agrochemical Production: Used in the synthesis of herbicides, fungicides, and pesticides that require butyl-functionalized structures.
• Polymer & Material Science: Serves as an initiator or modifying agent in the production of specialized polymers and advanced materials.
• Organic Synthesis Laboratories: Fundamental tool for academic and industrial R&D in creating novel organic compounds, including alcohols, ketones, and carboxylic acids.
• Catalyst & Ligand Preparation: Employed in the synthesis of organometallic catalysts and complex ligands used in asymmetric catalysis.

Basic Information

Product Name	n-Butylmagnesium Bromide
CAS No.	693-03-8
Molecular Formula	C4H9BrMg
Molecular Weight	161.32 g/mol
Synonyms	Butylmagnesium Bromide; 1-Butylmagnesium Bromide; Magnesium, Bromobutyl-; Bromobutylmagnesium; Grignard Reagent C4H9MgBr; ButylMgBr; n-C4H9MgBr; Butyl Magnesium Bromide Solution
EINECS	211-743-5

Quality Control

Our n-Butylmagnesium Bromide is manufactured under stringent quality control protocols to ensure batch-to-batch consistency and high reactivity. The product undergoes rigorous analysis, including titration for assay determination and impurity profiling. Certificates of Analysis (COA) detailing concentration, solvent, and purity are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly reactive and moisture-sensitive nature, this product must be stored under an inert atmosphere (argon or nitrogen) in a cool, dry, and well-ventilated area. It is typically supplied and stored as a solution in specific ether solvents like diethyl ether or tetrahydrofuran; refer to the specific product label for solvent and concentration details.

Specification

Item	Specification
Appearance	Clear, colorless to light yellow solution
Concentration (in specified solvent)	Typically 1.0M to 3.0M in ethers (e.g., THF, Diethyl Ether)
Assay (Titration)	≥ 95% (as C4H9MgBr)
Identification (IR)	Conforms to structure

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