Description

1-Methyl-2-Propenylmagnesium Chloride is a highly reactive organomagnesium compound, commonly known as a Grignard reagent. This chemical is a critical building block in organic synthesis, enabling the formation of new carbon-carbon bonds with high precision and efficiency. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for the synthesis of complex molecules and fine chemicals.

Application

• Pharmaceutical Intermediate Synthesis: A key reagent for constructing complex molecular scaffolds and introducing specific functional groups in active pharmaceutical ingredient (API) development.
• Agrochemical Manufacturing: Used in the synthesis of advanced herbicides, fungicides, and plant growth regulators requiring specific alkyl or alkenyl substitutions.
• Fine Chemical Production: Essential for the custom synthesis of specialty chemicals, flavors, fragrances, and performance materials where precise molecular architecture is required.
• Polymer & Material Science: Serves as an initiator or monomer precursor in the development of novel polymers with tailored properties.
• Academic & Industrial R&D: A fundamental tool in research laboratories for methodological development and exploring new synthetic pathways.

Basic Information

Product Name	1-Methyl-2-Propenylmagnesium Chloride
CAS No.	21969-32-4
Molecular Formula	C4H7ClMg
Molecular Weight	114.85 g/mol
Synonyms	1-Methyl-2-propenylmagnesium chloride; 2-Buten-2-ylmagnesium chloride; (1-Methylvinyl)magnesium chloride; Isopropenylmagnesium chloride; 2-Methyl-1-propenylmagnesium chloride; Grignard Reagent (C4H7MgCl); Magnesium, chloroisobutenyl-; (1-Methylethenyl)magnesium chloride
EINECS	Contact for details

Quality Control

Our 1-Methyl-2-Propenylmagnesium Chloride is manufactured under stringent quality control protocols to ensure batch-to-batch consistency and high reactivity. Each lot is analyzed to confirm concentration, purity, and suitability for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing assay, titration results, and solvent content is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. This material is hygroscopic (moisture-sensitive) and must be stored under an inert atmosphere (argon or nitrogen) in a cool, dry, well-ventilated area. Recommended storage temperature is 2-8°C. Keep away from heat, sparks, open flames, and incompatible materials such as strong acids, oxidizers, and protic solvents.

Specification

Item	Specification
Appearance	Clear to slightly hazy solution
Concentration (in THF or Ether)	0.5 M - 2.0 M (Custom concentrations available)
Assay (Titration)	≥ 95%
Identification (IR/NMR)	Conforms to structure
Solvent	Specified (Tetrahydrofuran, Diethyl ether, etc.)

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