Description

Octadecyl 2-Methylprop-2-Enoate is a long-chain alkyl methacrylate ester, a versatile monomer and chemical intermediate prized for its hydrophobic properties. Its primary value lies in imparting water resistance, flexibility, and low surface energy to polymer systems. This compound is essential for manufacturers in the polymer, coatings, and specialty chemical industries seeking to modify material performance.

Application

• Polymer Modification: Key monomer for synthesizing hydrophobic polymers and copolymers, enhancing water and stain resistance.
• Surface Coatings & Paints: Used in formulating high-performance industrial and architectural coatings to improve weatherability and surface slip.
• Adhesives & Sealants: Imparts flexibility and moisture resistance to acrylic-based adhesive formulations.
• Lubricant & Grease Additives: Acts as a viscosity modifier and anti-wear agent in synthetic lubricants.
• Textile & Leather Treatment: Employed as a finishing agent to provide water-repellent and soft-hand properties to fabrics and leather.
• Paper Sizing Agents: Enhances the water resistance and printability of paper products.
• Personal Care & Cosmetics: Used as an emollient and film-forming agent in cosmetic formulations.
• Specialty Chemical Synthesis: Serves as a crucial intermediate for further chemical reactions to create custom surfactants and functional materials.

Basic Information

Product Name	Octadecyl 2-Methylprop-2-Enoate
CAS No.	68555-92-0
Molecular Formula	C22H42O2
Molecular Weight	338.57 g/mol
Synonyms	Stearyl Methacrylate; Octadecyl Methacrylate; n-Octadecyl Methacrylate; Methacrylic Acid, Octadecyl Ester; 2-Methyl-2-propenoic Acid Octadecyl Ester; SMA; ODMA; Stearyl 2-Methylpropenoate
EINECS	Contact for details

Quality Control

Our Octadecyl 2-Methylprop-2-Enoate is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white solid or waxy flakes
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Color (APHA)	≤ 50
Water Content	≤ 0.1%

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