Description

Octadecyl 2-Methylprop-2-Enoate is a long-chain alkyl ester of methacrylic acid, serving as a versatile monomer and intermediate in polymer synthesis. Its chemical structure provides valuable properties for modifying material characteristics, including hydrophobicity, flexibility, and adhesion. This product is essential for manufacturers in the polymer, coatings, and specialty chemical industries seeking to develop advanced materials with tailored performance.

Application

• Polymer Modification: Used as a co-monomer to introduce long alkyl chains into acrylic and methacrylic polymer backbones, enhancing hydrophobicity and internal plasticization.
• Surface Coatings & Inks: Imparts water resistance, flexibility, and improved adhesion to substrates in industrial and protective coatings, paints, and printing inks.
• Adhesive Formulations: Acts as a reactive diluent and modifier in pressure-sensitive and structural adhesives to adjust tack, peel strength, and low-temperature performance.
• Lubricant & Release Agent Additive: Incorporated as a building block for synthetic lubricants and mold release agents due to its oleophilic nature.
• Specialty Monomers: Serves as a key intermediate for the synthesis of more complex, functional monomers used in high-value applications.

Basic Information

Product Name	Octadecyl 2-Methylprop-2-Enoate
CAS No.	68555-91-9
Molecular Formula	C22H42O2
Molecular Weight	338.57 g/mol
Synonyms	Stearyl Methacrylate; n-Octadecyl Methacrylate; Octadecyl Methacrylate; Methacrylic Acid Octadecyl Ester; SMA; ODMA; Stearyl 2-Methyl-2-propenoate; 2-Methyl-2-propenoic Acid Octadecyl Ester
EINECS	Contact for details

Quality Control

Our Octadecyl 2-Methylprop-2-Enoate is produced and tested under a rigorous quality management system. Each batch is analyzed to ensure it meets precise chemical and physical specifications, including identity, purity, and color. A comprehensive Certificate of Analysis (COA) documenting these results is available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials such as strong oxidizing agents and initiators. For long-term storage under inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white solid or waxy solid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Color (APHA)	≤ 100
Acid Value	≤ 1.0 mg KOH/g
Water Content	≤ 0.1%

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