Description

Vinyl Stearate is a long-chain vinyl ester of stearic acid, a key monomer and chemical intermediate in polymer synthesis. This compound is valued for its ability to introduce hydrophobic, long alkyl side chains into polymer backbones, significantly modifying material properties. It is primarily utilized by manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance product flexibility, water resistance, and internal lubrication.

Application

• Internal Plasticizer and Modifier for PVC, polyvinyl acetate (PVA), and other vinyl polymers to improve flexibility and low-temperature performance.
• Copolymerization Monomer in the production of specialty resins and coatings, contributing to water repellency and enhanced film formation.
• Lubricant and Processing Aid in plastic and rubber compounding to reduce friction during extrusion and molding.
• Intermediate for Chemical Synthesis, used in the preparation of surfactants, emulsifiers, and other functional chemicals.
• Additive for Adhesives and Sealants to adjust tack, viscosity, and environmental stability.

Basic Information

Product Name	Vinyl Stearate
CAS No.	111-63-7
Molecular Formula	C₂₀H₃₈O₂
Molecular Weight	310.52 g/mol
Synonyms	Vinyl octadecanoate; Stearic acid vinyl ester; Octadecanoic acid vinyl ester; Vinyl stearate monomer; Ethenyl octadecanoate; V-18; VS
EINECS	203-888-6

Quality Control

Our Vinyl Stearate is produced under a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure consistency, purity, and performance. Certificates of Analysis (COA) detailing assay, identity, and impurity profiles are provided and available upon request to support your quality assurance protocols.

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, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white waxy solid or flakes
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Melting Point	32 - 36 °C
Color (APHA)	≤ 50

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