Description

Octadecylmagnesium Bromide is a long-chain alkyl Grignard reagent, a versatile organometallic compound widely used in organic synthesis. Its primary value lies in its ability to introduce the octadecyl (C18) group into target molecules, enabling the synthesis of specialty surfactants, phase-transfer catalysts, and hydrophobic modifiers. This reagent is particularly essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors seeking to modify surface properties or create long-chain derivatives.

Application

• Nucleophilic Alkylation: Key reagent for introducing long alkyl chains into carbonyl compounds (ketones, aldehydes, esters) and other electrophiles.
• Specialty Surfactant Synthesis: Building block for creating novel cationic or non-ionic surfactants with specific hydrophobic-lipophilic balance (HLB).
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) requiring long aliphatic side chains for enhanced bioavailability or membrane interaction.
• Polymer Modification: Employed to functionalize polymers, imparting hydrophobicity or creating graft copolymers for material science applications.
• Agrochemical Synthesis: Intermediate in the production of certain herbicides and plant growth regulators that contain long-chain alkyl groups.
• Ligand Preparation: Starting material for synthesizing phosphine or other ligands used in catalysis and coordination chemistry.
• Surface Coating Agents: Precursor for compounds used to create hydrophobic coatings on glass, metals, or textiles.

Basic Information

Item	Detail
Product Name	Octadecylmagnesium Bromide
CAS No.	92206-73-0
Molecular Formula	C₁₈H₃₇BrMg
Molecular Weight	357.70 g/mol
Synonyms	Stearylmagnesium Bromide; n-Octadecylmagnesium Bromide; Magnesium, bromooctadecyl-; C18 Grignard Reagent; Bromooctadecylmagnesium; 1-Bromooctadecylmagnesium; Octadecyl magnesium bromide solution; Stearyl magnesium bromide
EINECS	Contact for details

Quality Control

Every batch of Octadecylmagnesium Bromide is produced and tested under stringent quality management protocols to ensure consistency and reliability for your synthetic processes. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as concentration, active Grignard content, and impurity profiles. Our quality system is designed to meet the exacting standards of research and industrial-scale manufacturing.

Storage

Preserve in a tightly closed container, protected from light. This product is hygroscopic (moisture-sensitive) and must be stored under an inert atmosphere (argon or nitrogen) to prevent decomposition. For optimal stability, store at 2-8°C. Keep away from heat, sparks, open flames, and incompatible materials such as water, alcohols, and strong acids.

Specification

Item	Specification
Appearance	Colorless to pale yellow solution
Concentration (in THF or Ether)	0.5 M, 1.0 M, or 2.0 M (Custom concentrations available)
Assay (Titration)	≥ 95% (as Grignard reagent)
Identification (IR)	Conforms to structure
Water Content (Karl Fischer)	< 100 ppm

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