Featured specialty chemical reagents, quaternary salts, and active cosmetic ingredients sourced directly from our ISO-certified production facility.
Analyzing the pivotal role of Polyethylene Glycol 4000 (PEG-4000) in modern global processing systems.
Polyethylene Glycol 4000 (CAS No: 25322-68-3) is a versatile polyether compound with the general formula H(OCH₂CH₂)nOH, where the average ethylene oxide oligomer distribution corresponds to an average molecular weight range of 3,600 to 4,400 g/mol. At a macro-industrial scale, PEG-4000 acts as a highly structural non-ionic polymer that solves intricate formulation stability, viscosity modification, and binding issues. Unlike its lower molecular weight liquid counterparts (e.g., PEG-200, PEG-400), PEG-4000 is a waxy solid or flake at room temperature, providing unique mechanical and physical integrity to target compositions.
In global industrial systems, one of the primary challenges is achieving uniform consistency while maintaining eco-friendly profiles. PEG-4000 exhibits zero volatile organic compound (VOC) emissions, high water solubility, low toxicity, and outstanding thermal stability. Its molecular composition features ether linkages that are chemically inert under normal operating conditions, coupled with hydrophilic terminal hydroxyl groups that actively coordinate with water molecules. This allows it to serve as a high-efficiency humectant, lubricant, and binder in ceramic processing, rubber compounding, metal treatment fluids, and advanced battery electrolyte matrices.
Supply chain trends, manufacturing dynamics, and how Yuantairun Chemical safeguards global trade logistics.
The global market for high-purity Polyethylene Glycol derivatives has experienced a significant compound annual growth rate (CAGR), driven by the pharmaceutical excipient market, personal care formulation upgrades, and construction chemical advancements. Historically, the supply chain for high-grade PEG-4000 was concentrated in North America and Western Europe. However, technological evolution in manufacturing processes—specifically advanced ethoxylation technology coupled with highly automated quality control loops—has allowed modern Chinese factories like Suzhou Yuantairun Chemical Co., Ltd. to produce world-class grades that rival or exceed traditional options.
The contemporary chemical supply chain must balance volume, precision, and strict compliance. Key trends indicate that raw material buyers look for manufacturers that can minimize trace impurities, notably free Ethylene Oxide (EO) and 1,4-Dioxane. These impurities are under strict regulatory surveillance globally, including by the European Chemicals Agency (ECHA) under REACH and the United States FDA. By employing sophisticated catalyst filtration technology and high-vacuum stripping systems, advanced Chinese factories guarantee ultra-pure PEG-4000 that meets USP, EP, and JP monograph standards, facilitating seamless entry into international markets.
From tablet binders to rubber release agents: How PEG-4000 adapts to diverse sector needs.
Used as a matrix binder for direct compression tablets, tablet coatings, plasticizers, and suppository bases. Its melting point profile (50°C–55°C) is ideal for controlled release formulations, ensuring zero degradation of active pharmaceutical ingredients (APIs).
Acts as a viscosity control agent, moisturizer, and emulsion stabilizer in creams, ointments, toothpastes, and color cosmetics. Completely non-irritating to skin and compatible with premium amino acid surfactants like Sodium Lauroyl Sarcosinate.
Serves as an external mold release agent in rubber molding and vulcanization processes, preventing carbon black adhesion. In metalworking, it serves as a non-corrosive lubricating component in wire drawing and cooling fluids.
Engineered daily chemical surfactants, mild cleaners, and structural raw materials designed for global applications.
Cosmetic Grade Amphoteric Surfactant & Foaming Agent for Personal Care Product CAS NO.: 61789-40-0.
C8-10 Alkyl Glycosides Nonionic Surfactant Foaming & Thickening Agent for Personal Care & Home Care products CAS NO.: 68515-73-1.
No Preservative Amino Acid Surfactant Degreasing and Foaming Agent for Personal Care Product CAS NO.: 30364-51-3.
Mild Succinic Acid Monoester Anionic Surfactant for Facial Cleanser Personal Care Product CAS: 13192-12-6.
No Preservative Amino Acid Surfactant Foaming Agent for Personal Care Product CAS NO.: 137-16-6.
Cosmetic Grade Amino Acid Surfactant & Foaming Agent & Conditioner for Personal Care & Home Care CAS NO.: 68188-38-5.
Multifunctional Solvents Moisturizing Agent Base Oil for Creams Emulsions and Makeup Removers CAS: 65381-09-1.
Chelating Agent for Detergents and Food Additives Daily Chemicals Raw Materials CAS: 6381-92-6.
Cosmetic Grade & Industrial Grade Preservative Solvent for Cosmetics & Industry CAS 122-99-6.
Pearlescent Agent for Pearlescent in Body Care products like Shower Gel and Shampoo.
Strict parameter thresholds mapped to global pharmacopoeia and heavy-industry guidelines.
| Analytical Parameter | Specification Target Value | Test Methodology Reference | Compliance Status |
|---|---|---|---|
| Molecular Weight Range | 3,600 – 4,400 g/mol | Gel Permeation Chromatography (GPC) | Compliant |
| Appearance (25°C) | White flakes or powder form | Visual Inspection | Compliant |
| Solidification Point | 53.0°C – 57.0°C | USP <741> Method I | Compliant |
| Viscosity at 99°C | 110 – 170 mm²/s | Capillary Viscometer Method | Compliant |
| Hydroxyl Value | 25.0 – 32.0 mg KOH/g | ASTM D4274 Acid Titration | Compliant |
| pH Value (5% Aqueous Solution) | 5.0 – 7.5 | Standard Potentiometric Glass Electrode | Compliant |
| Ethylene Oxide (EO) Residuals | ≤ 1 ppm (max limit) | Headspace Gas Chromatography (GC-FID) | Ultra-Pure |
| 1,4-Dioxane Residuals | ≤ 5 ppm (max limit) | Headspace Gas Chromatography-MS | Ultra-Pure |
Note: Specifications are batch-verified. Suzhou Yuantairun Chemical provides comprehensive Certificates of Analysis (COA) and material trace safety documents for all international shipping consignments.
苏州源泰润化工有限公司 (Suzhou Yuantairun Chemical Co., Ltd.)
As a leading supplier in the daily chemical raw materials industry, Suzhou Yuantairun Chemical Co., Ltd. is dedicated to delivering high-quality products and comprehensive one-stop services to support our customers in R&D, production, and supply chain optimization. Our mission is to drive innovation and efficiency in the global daily chemical industry by providing cutting-edge solutions tailored to our clients' needs. We assure you that our products originate from well-managed and sustainable resources.
Unmatched raw material sustainability and custom-engineered service platforms.
Provide rich products under a centralized supply framework to simplify administrative overheads.
Advanced synthesis support: Offering professional ODM and OEM formulations tailored to custom customer specifications.
Our material is highly competitive in price while maintaining top tier global quality benchmarks.
Materials and products are delivered exactly when needed in the production process, minimizing warehousing costs.
Custom formulations demonstrating chemical performance, foaming metrics, and degradation compliance.
Home Care (Laundry Detergent, Cleaners)
Uses SLES (Sodium Laureth Sulfate) and AOS (Sodium Alpha-Olefin Sulfonate) as core surfactants for superior cleaning and rich foam. Combined with thickener CMEA (Cocamide MEA) for optimal viscosity and user experience. Mild formula reduces skin irritation.
Personal Care (Facial Cleansers, Body Wash)
Features Sodium Cocoyl Glutamate (YG02-95) and Sodium Lauroyl Sarcosinate (LS-100N) for ultra-mild cleansing, ideal for sensitive skin. Certified by ECOCERT, meeting the demand for clean beauty in premium markets.
Textile Care (Fabric Conditioners)
Utilizes cationic surfactant 1631 70 (Cetrimonium Chloride) for enhanced fabric softness and anti-static properties. Concentrated formula reduces packaging and transportation costs, improving sustainability.
Personal Care (Shower Gels, Shampoos)
Combines amphoteric CAB-35 (Cocamidopropyl Betaine) and non-ionic APG1214 (Lauryl Glucoside) for rich, low-residue lather. Sulfate-free formula minimizes skin dryness, suitable for children and sensitive skin.
Industrial Cleaning (Machinery, Vehicle Oil Removal)
Powered by LAS (Linear Alkylbenzene Sulfonate) and solvent EGDS (Glycol Distearate) for rapid breakdown of tough grease. Enhanced biodegradability with Alkaline Lipase, meeting industrial wastewater regulations.
Washing Powder
Facial Cleanser
Softener
Shower Gel
Degreaser
Custom OEM/ODM manufacturing platforms for personal hygiene, institutional wash, and commercial retail brands.
CUSTOM SERVICE
We customize formulas according to your target use scenarios such as hotels, barbershops, or retail outlets. Multi-functional formulations, multiple packaging configurations, and flexible price matrix options are available.
CUSTOM FORMULA
Fragrance profiling, active material concentration (surfactant loading), and specialized bottle/bag packaging designs can be customized to suit local consumer preferences.
COMMERCIAL GRADE
Highly optimized for high-volume commercial venues including shopping malls, restaurants, and retail spaces. Formulated with balanced skin moisturizers and foaming stabilizers.
How Yuantairun guarantees seamless global trade, customs handling, and local safety standards compliance.
Navigating chemical import regulations is a key concern for global sourcing managers. At Suzhou Yuantairun, we understand that supply chain stability requires robust regulatory alignment. Our PEG-4000 production matches local import regulations across North America, the European Union, and the Asia-Pacific region. Our registration team manages the following documentation processes:
Additionally, we maintain partnerships with third-party verification bodies like SGS, Intertek, and Bureau Veritas to perform pre-shipment analysis. This ensures that the bulk material loaded at ports matches the client's specifications.
The transition toward bio-based feedstocks, low-carbon synthesis, and ultra-purity medical advancements.
The chemical industry is pivoting toward sustainability, and Polyethylene Glycol derivatives are part of this transformation. The primary target in our R&D pipeline is the commercialization of bio-based PEG-4000. By sourcing ethylene oxide derived from bio-ethanol rather than petroleum crackers, we aim to reduce the carbon footprint of the manufacturing process by up to 40% while preserving identical physical and chemical attributes.
Another major trend is the demand for narrow molecular weight distribution (MWD) polymers. Typical commercial PEG products exhibit a polydispersity index (PDI) between 1.10 and 1.20. Our engineering research is focused on developing narrow-range ethoxylation methods to achieve PDIs below 1.05. This level of uniformity is crucial for advanced applications, such as phase change energy storage matrices, high-performance battery electrolytes, and controlled release pharmaceutical systems. Yuantairun remains dedicated to these developments, ensuring our partners have access to advanced sustainable surfactant technologies.
Updates on product innovations, surfactant technologies, and company news.
Runtec®SCI85 is a mild anionic surfactant with high active ingredient content and excellent compatibility, designed to enhance formulations with a gentle, refreshing feel.
An oil-resistant amino acid surfactant with excellent foaming properties, specifically designed for use in sulfate-free clear shampoos.
This high-purity skin moisturizer is compatible with various oils and features strong dispersing power, making it ideal for cosmetics and emulsions.
Connect with our expert application engineers for a custom quote, technical datasheet evaluation, or sample request.
Send InquiryQuick answers to chemical queries regarding PEG-4000 solubility, shelf stability, and application limits.
PEG-4000 is highly soluble in water and polar organic solvents like ethanol, acetonitrile, and chloroform. It is insoluble in non-polar hydrocarbons such as diethyl ether, hexane, and light oils. Dissolution rates can be enhanced by heating the solvent to 55°C–60°C.
When stored in its original unopened packaging in a cool, dry, well-ventilated area away from strong oxidizing agents and moisture, PEG-4000 maintains a shelf life of at least 24 months. Its hygroscopic nature makes it important to seal containers tightly after use.
During tablet formulation, PEG-4000 flakes act as a dry binder. Under pressure, they deform plastically, creating physical bridges between API particles and other fillers. This increases tablet hardness while reducing friability without compromising dissolution rates upon ingestion.
Yes, PEG-4000 is biodegradable in municipal wastewater treatment systems. While high molecular weight PEGs degrade more slowly than low molecular weight versions, microbial processes break down the polyether backbone into harmless metabolites (water and carbon dioxide), posing no threat of bioaccumulation.
Extended selection of high-purity chemical bases, amino acid surfactants, and thickeners.
