Polyethylene glycol methyl ether

Description

1. Product Overview
   Polyethylene glycol methyl ether (mPEG) is a high-performance, non-ionic polyether compound derived from ethylene oxide polymerization with terminal methyl ether functionalization. It is widely used as a critical intermediate in pharmaceuticals, industrial formulations, surfactants, and specialty chemical synthesis due to its exceptional solubility, biocompatibility, and chemical stability. The product delivers superior performance in drug delivery systems, emulsification processes, and surface modification applications. Its strategic importance lies in its versatility across high-growth sectors such as pharmaceuticals, biotech, coatings, and advanced materials, making it a foundational input for value-added chemical manufacturing globally.
2. Key Specifications & Technical Characteristics

• Chemical Composition: CH₃O-(CH₂CH₂O)ₙ-H (Polyethylene glycol monomethyl ether)
• Purity Level: ≥ 99% (industrial/pharmaceutical grades available)
• Molecular Weight Range: 200 – 5000+ (customizable depending on application)
• Physical Form: Clear to slightly hazy viscous liquid or waxy solid (depending on MW)
• Color: Colorless to pale yellow
• Density: ~1.03–1.13 g/cm³ (varies with molecular weight)
• Solubility: Fully miscible with water and most polar organic solvents
• Packaging Options: 25 kg drums, 200 kg HDPE drums, 1000 kg IBC totes, bulk ISO tank
• Shelf Life: 24–36 months under recommended storage conditions

3. Core Industrial Applications

• Pharmaceutical Industry: Used in PEGylation of biologics, improving drug solubility, stability, and circulation time
• Biotech & Life Sciences: Key modifier for proteins, peptides, and vaccine formulations
• Industrial Chemistry: Acts as surfactant, dispersant, and emulsifier in coatings, inks, and adhesives
• Cosmetics & Personal Care: Used in formulations for creams, lotions, and hydrophilic delivery systems
• Advanced Materials: Surface modification agent for polymers, nanoparticles, and specialty composites
  Its superior molecular uniformity and functional stability provide better reproducibility, higher efficiency, and reduced side reactions compared to conventional polyols and surfactants.

4. Competitive Advantages

• High Chemical Consistency: Tight molecular weight distribution ensures predictable performance
• Reliable Supply Chain: Stable bulk production capacity with scalable global sourcing capability
• Logistics Efficiency: Available in standardized bulk packaging optimized for international shipping
• Cost-Effective Performance: Reduces formulation complexity and improves downstream yield efficiency
• Environmental Compatibility: Low toxicity profile and favorable biodegradability characteristics
• Technical Documentation Support: Comprehensive COA, MSDS, and regulatory compliance dossiers available
• Strategic Versatility: Suitable for both high-value pharmaceutical synthesis and industrial-scale manufacturing

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: Approximately 20–22 MT per 20FT container (depending on grade and packaging configuration)