Description

4-(Vinyloxy)Butyl Stearate is a specialty chemical monomer that combines a reactive vinyl ether group with a long-chain fatty acid ester. This unique structure makes it a valuable reactive diluent and modifier in advanced polymer formulations, offering enhanced flexibility and processing characteristics. It is primarily utilized by manufacturers in the coatings, adhesives, and specialty plastics industries seeking to improve product performance.

Application

• Reactive Diluent in UV-Curable Coatings and Inks: Acts as a low-viscosity monomer to improve application properties and cure speed in radiation-curable systems.
• Plasticizer and Modifier for Polymers: Imparts internal flexibility and reduces brittleness in various resin systems, including PVC and acrylics.
• Crosslinking Agent in Adhesive Formulations: Participates in polymerization reactions to enhance bond strength and thermal stability.
• Intermediate for Specialty Surfactants and Lubricants: Serves as a building block for synthesizing compounds with unique surface-active or lubricating properties.
• Component in Fiber Sizing and Treatment: Used to modify the surface properties of fibers for improved handling and composite performance.

Basic Information

Product Name	4-(Vinyloxy)Butyl Stearate
CAS No.	209072-71-9
Molecular Formula	C₂₄H₄₆O₃
Molecular Weight	382.63 g/mol
Synonyms	Stearic acid, 4-(ethenyloxy)butyl ester; Butyl 4-(vinyloxy) stearate; 4-Vinyloxybutyl octadecanoate; VOBSt; Vinyl ether stearate monomer; Reactive stearate ester; 4-(Ethenyloxy)butyl stearate
EINECS	Contact for details

Quality Control

Our 4-(Vinyloxy)Butyl Stearate is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the specified purity of 98% minimum and consistent performance criteria. Certificates of Analysis (COA) detailing purity, identity, and key physical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible materials such as strong oxidizing agents. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.1%
Refractive Index (20°C)	1.450 - 1.460
Density (20°C)	0.88 - 0.92 g/cm³

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