Description

Methylpolyethyleneglycol-500 Vinyl Ether is a reactive polyether derivative featuring a terminal vinyl group, making it a versatile building block for polymerization and functionalization. This compound is valued for its ability to introduce hydrophilic PEG chains and polymerizable sites into various materials, enhancing properties like solubility, biocompatibility, and reactivity. It is primarily needed by manufacturers in the pharmaceutical, specialty polymer, and advanced materials industries for applications ranging from drug delivery systems to surface modification.

Application

• Pharmaceutical Intermediates: Used in the synthesis of prodrugs, polymer-drug conjugates, and biodegradable hydrogels for controlled release formulations.
• Polymer & Material Science: Serves as a macromonomer or crosslinker for creating hydrophilic polymers, coatings, and hydrogels with tailored properties.
• Surface Modification: Employed to PEGylate surfaces, nanoparticles, or biomaterials to improve biocompatibility, reduce protein adsorption, and enhance stability.
• Cosmetic & Personal Care: Acts as a reactive ingredient in the formulation of film-forming agents, hair fixatives, and skin-adhesive polymers.
• Adhesives & Sealants: Functions as a reactive diluent or modifier in UV-curable and radiation-curable systems.
• Chemical Synthesis: Utilized as a protecting group or spacer in organic synthesis to impart water solubility to intermediates.

Basic Information

Product Name	Methylpolyethyleneglycol-500 Vinyl Ether
CAS No.	50856-25-2
Molecular Formula	CnH2n+2O(n+1) (n~11) *
Molecular Weight	~500 g/mol (average)
Synonyms	MPEG-500 Vinyl Ether; Poly(ethylene glycol) methyl ether vinyl ether (MW 500); Methoxy PEG vinyl ether; Vinyloxy(polyethoxy)ethane; PEG methyl ether vinyl ether; α-Methyl-ω-vinyloxy-poly(oxy-1,2-ethanediyl); 2-[2-(2-Methoxyethoxy)ethoxy]ethoxy]ethene
EINECS	Contact for details

* Formula is representative. Contact us for the exact specification of a specific lot.

Quality Control

Our Methylpolyethyleneglycol-500 Vinyl Ether is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment. We adhere to cGMP principles where applicable to support our customers in pharmaceutical and high-value industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and easily oxidized; for long-term storage, it is recommended to keep the container under an inert atmosphere (e.g., nitrogen or argon) to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (Vinyl Ether Content)	≥ 95.0%
Average Molecular Weight (GPC)	480 - 520 g/mol
Water Content (KF)	≤ 0.5%
Peroxide Value	≤ 1.0 meq/kg
Residual Solvents (GC)	Meets ICH guidelines

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