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Polyethylene Glycol CAS#25322-68-3
Basic Information
PEG
H–[O–CH₂–CH₂]ₙ–OH
clear, colorless, viscous liquid; white waxy solid; flakes; powders
Polyethylene glycol is a water-soluble polyether whose physical form varies with molecular-weight grade from clear viscous liquid to waxy solid, flakes, or powder. It functions as a solvent, humectant, binder, coating agent, dispersant, flavoring aid, and plasticizer. Applications include pharmaceutical, food, cosmetic, polymer-processing, and industrial formulations where grade-specific viscosity, solubility, and compatibility are required.
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Chemical Identity: Polyethylene glycol (PEG, CAS#25322-68-3) is a polyether commonly represented as H–[O–CH₂–CH₂]ₙ–OH. Grades such as PEG 200, PEG 400, PEG 1000, PEG 4000, and PEG 6000 refer to nominal average molecular weights.
Grade-Dependent Physical Forms: Lower molecular weight grades are typically clear, viscous liquids, while higher molecular weight grades are generally white, waxy solids, flakes, or powders. Physical form and melting range depend on the grade.
Water Solubility and Formulation Properties: PEG is generally soluble in water. Solution viscosity and dissolution behavior vary with molecular weight, concentration, and temperature. Depending on the grade, it is used as a solvent, humectant, binder, or plasticizer.
Applications and Quality Specifications: PEG is used in polymer processing, chemical formulations, and suitable grades of personal care and pharmaceutical manufacturing. Quality parameters may include average molecular weight, hydroxyl value, water content, and relevant impurity limits, as specified in the product documentation.
Product Description of Polyethylene Glycol CAS#25322-68-3
Polyethylene Glycol is a high-purity industrial product with a minimum purity of 99%. It is available in multiple grades: AEO3 is a colorless liquid and AEO9 is a white paste. Both have a faint fatty odor and belong to nonionic surfactants.
AEO3 has a melting point of 5–6 °C and a boiling point of about 290 °C. At 25 °C, its vapor pressure is below 0.1 hPa with a relative density of 0.925–0.940, featuring low volatility and stable physical properties.
In terms of solubility, AEO3 is water-dispersible while AEO9 is freely soluble in water. Both dissolve readily in ethanol but are insoluble in kerosene. The product is stable under normal conditions; prolonged contact with strong acids at high temperatures should be avoided.
Product Application of Polyethylene Glycol CAS#25322-68-3
Polyethylene Glycol is extensively applied as a binder, coating agent, dispersant, flavoring aid and plasticizer. It is a clear, colorless, viscous and hygroscopic liquid, or available in white waxy solid and flake forms. Its pH value ranges from 4.0 to 7.5 at a dilution ratio of 1:20.
With a molecular weight of approximately 1000, the product is freely soluble in water and compatible with many organic solvents. It is widely used in pharmaceutical, food, cosmetic and industrial formulations, offering excellent compatibility and stable performance.
Parameters
Safety Information
Delivery Time
Inventory 2-3 working days New manufacturing 7-10 working days
Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
We only provide highest quality goods available, accompanied by after support!
1. What products does Shandong Junzheng Chemical supply?
We supply inorganic chemicals, organic solvents, water treatment chemicals, and surfactants, including calcium chloride, soda ash, sodium bicarbonate, caustic soda, citric acid, ethyl acetate, and SLES. Please contact us to confirm specific product availability.
2. Which industries do your products serve?
Our products serve pharmaceutical, agrochemical, dye, rubber, construction, coal processing, and other chemical industries. Product suitability depends on the required grade, specifications, and application.
3. How can I get a quotation?
Please provide the product name, CAS number, required specifications, quantity, packaging requirements, and destination port. These details help us prepare an accurate quotation.
4. How do you control product quality?
We follow strict quality testing procedures supported by technical personnel, research equipment, and an established management system. Specific quality requirements can be confirmed before placing an order.
5. Can you help me select a suitable chemical?
Yes. Our technical team can assist with product selection based on your application and required specifications. Please share your intended use and key technical requirements.
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