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Polyethylene Glycol 6000 (CAS No. 25322-68-3), commonly known as PEG 6000, is a high molecular weight condensation polymer of ethylene oxide and water. Its molecular weight distribution centers between 5400 and 7000 g/mol, a crucial threshold that transitions this polyether compound from a viscous liquid/waxy semi-solid state into a highly defined, crystalline white flake or powder.
As a premier China Polyethylene Glycol PEG 6000 supplier, Yanxatech System Industries Limited (YANXA) implements advanced polymer engineering processes. By precisely controlling the chain polymerization indices, we verify that our PEG 6000 maintains optimal thermal stability, low toxicity, and exceptionally high solubility in both water and polar organic solvents. This molecular consistency is critical for delicate downstream formulations in pharmaceuticals, industrial binders, and specialty rubber polymers.
| Analytical Parameter | USP/EP Regulatory Standard Value | YANXA Factory High-Purity Grade |
|---|---|---|
| Appearance (at 25°C) | White flakes, powder or waxy solid | Pure white flakes or micro-pulverized powder |
| Average Molecular Weight | 5,400 – 7,000 g/mol | 5,800 – 6,400 g/mol (Highly stable) |
| Hydroxyl Value | 16.0 – 22.0 mg KOH/g | 17.5 – 19.5 mg KOH/g |
| pH (5% Aqueous Solution) | 4.5 – 7.5 | 5.5 – 7.0 (Neutrally optimized) |
| Dynamic Viscosity (20°C, 50% Sol.) | 185.0 – 250.0 mPa·s | 190.0 – 230.0 mPa·s |
| Ethylene Oxide / 1,4-Dioxane | ≤ 10 ppm / ≤ 10 ppm | ≤ 1 ppm / ≤ 2 ppm (Ultra-clean line) |
| Moisture Content (Karl Fischer) | ≤ 1.0% | ≤ 0.5% |
By eliminating trace volatile organic compounds (VOCs) and strictly restricting the generation of toxic cyclic by-products such as 1,4-dioxane, our China factory guarantees a material that easily meets the stringent demands of European and American pharmacological registers.
The physical-chemical attributes of Polyethylene Glycol 6000—namely its low melting range (55°C–60°C), strong moisture retention, matrix integrity, and chemical inertness—position it as a primary auxiliary agent across diversified industrial verticals.
Widely deployed as an excipient in solid dispersions to enhance the dissolution rates and bioavailability of BCS Class II and Class IV active pharmaceutical ingredients (APIs). It serves as a binding matrix in high-speed tablet compression and an efficient water-soluble coating component.
Acts as an essential binder, thickening agent, and emulsion stabilizer in toothpastes, soap bases, styling gels, and dermatological creams. Its high molecular structure provides moisture-locking qualities while avoiding tacky residue, yielding smooth rheological performance.
Integrates effectively with high-performance rubbers (like YANXA's signature Liquid Rubber lines: L-XNBR, ATBN, EPB). It prevents compound sticking, ensures uniform mineral filler distribution, accelerates extrusion speed, and improves final elastomer tensile properties.
We manufacture PEG 6000 at our state-of-the-art chemical cluster in China. Leveraging computerized loop reactor systems, we execute continuous alkoxylation. This method ensures strict controls on heat dissipation during the highly exothermic reaction of ethylene oxide.
High-purity ethylene oxide (EO) is continuously piped from direct petrochemical loops into our DCS-controlled polymerization system. High stability catalysts ensure uniform propagation of the polymer chain.
Our computerized polymerization loop tracks the addition of ethylene oxide to monoethylene glycol (MEG) in real-time, matching target molecular weights (5400–7000 g/mol) with narrow polydispersity indices (Mw/Mn < 1.10).
To meet medical and cosmetic standards, raw polymers undergo vacuum stripping to extract residual monomers and cyclic impurities. Purity is validated using Gas Chromatography-Mass Spectrometry (GC-MS).
The refined melt is solidified on cooling drum flakers, producing dust-free, high-solubility flakes. Material is packed in specialized multi-layer kraft paper bags lined with PE moisture barriers to prevent caking during transport.
This automated production setup helps Yanxatech mitigate the typical risks associated with chemical batch processing, ensuring consistent quality across high-volume orders.
Established in 2008, Yanxatech System Industries Limited (YANXA) has grown from a specialized technical trading office into a respected global supplier of high-performance chemicals and functional materials.
Our core competency lies in our long-term partnerships with leading domestic research institutes and ISO-certified chemical manufacturers across China. Today, YANXA provides comprehensive product streams across three primary pillars:
Specialized elastomer matrices including Random Carboxy Nitrile Butadiene Rubber (L-XNBR), Amino-terminated Nitrile Butadiene Rubber (ATBN), and Epoxidized Polybutadiene (EPB) for complex industrial applications.
Serving advanced industries with stable compounds like Lithium Nitrate and Barium Acetate, managed under strict quality controls for electronics and catalyst systems.
Engineering micro-fine metallic options including Flake Zn-Al Alloy Powders and Atomized Spherical Aluminum Magnesium Alloy Powders for coatings and metallurgy.
Our focus remains centered on Quality, Safety, and Efficiency. We recognize that industrial chemical operations demand rigorous quality control. YANXA ensures all product batches undergo strict testing against analytical specifications, helping clients mitigate compliance risks in their local markets.
As environmental regulations tighten globally, the chemical synthesis sector faces pressure to reduce carbon footprints. Yanxatech is actively investing in research to transition traditional fossil-derived ethylene oxide lines into sustainable processes:
Global supply chain logistics require strict compliance documentation. YANXA provides comprehensive paperwork to streamline customs clearance and quality verification in the destination country:
Full registration certificates for European markets, ensuring compliance with EU substance regulations.
Detailed batch-specific Certificate of Analysis generated via validated HPLC, GC-MS, and Karl Fischer systems.
Multi-lingual SDS prepared in compliance with GHS rules, detailing handling precautions and ecological data.
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