Description

Methacryloyl Chloride is a highly reactive, colorless to pale yellow liquid acyl chloride derivative of methacrylic acid. It serves as a critical building block in organic synthesis, enabling the efficient introduction of the methacryloyl functional group. This compound is essential for manufacturers in the polymer, pharmaceutical, and specialty chemical industries seeking to create advanced materials with specific properties.

Application

• Polymer Chemistry: Key monomer for producing specialty polymers, including impact modifiers, coatings, and adhesives with enhanced durability and weather resistance.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly those requiring polymer conjugation or controlled release profiles.
• Surface Modification Agents: Employed to functionalize surfaces of materials like silica, glass, or polymers to impart specific chemical reactivity or biocompatibility.
• Cross-linking Reagents: Acts as a versatile cross-linker in the production of hydrogels, resins, and dental materials.
• Organic Synthesis: A vital reagent for introducing the methacryloyl moiety in the synthesis of complex organic molecules, dyes, and photoinitiators.
• Agrochemicals: Intermediate in the manufacture of certain herbicides and plant growth regulators.

Basic Information

Product Name	Methacryloyl Chloride
CAS No.	920-46-7
Molecular Formula	C4H5ClO
Molecular Weight	104.54 g/mol
Synonyms	2-Methyl-2-propenoyl chloride; Methacrylic acid chloride; Methacrylyl chloride; 2-Methylacryloyl chloride; 2-Methylpropenoyl chloride; Isopropenylcarbonyl chloride; NSC 9375
EINECS	213-058-4

Quality Control

Our Methacryloyl Chloride is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including gas chromatography (GC) and titration methods, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with every shipment to guarantee compliance with your specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat, sparks, and open flame. Due to its hygroscopic and light-sensitive nature, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term stability. Keep away from strong bases, alcohols, and water.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Methacrylic Acid	≤ 1.0%
Water Content (KF)	≤ 0.1%

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