Product
PRODUCT
CAS: 25322-68-3
Chemical formula: HO (CH2CH2O) nH, where n represents the number of repetitions of ethylene glycol units in the polymer
Molecular weight: The average molecular weight range of PEG is between 200 and 7000, and the number of commodity PEG represents the average molecular weight. For example, PEG400 represents an average molecular weight of about 400
Appearance: Colorless viscous liquid or white solid.
Solubility: PEG is soluble in water and many organic solvents, easily soluble in aromatic hydrocarbons, and slightly soluble in fatty hydrocarbons.
Stability: Under normal conditions, PEG is stable, but can react with oxygen in the air at high temperatures. In an inert atmosphere, such as nitrogen and carbon dioxide, even if heated to 200-240 ℃, there will be no change, but thermal cracking will occur when the temperature rises to 300 ℃.
Daily chemical productsPolyethylene glycol has good lubrication, moisturizing, dispersibility, and adhesion properties.
PaintPolyethylene glycol can be used as a dispersant for paints, improving the water dispersibility and flexibility of resins.
Lubricants and thickenersAs a lubricant, it can reduce friction between the surfaces of objects, making them easier to slide; As a thickener, it can increase the viscosity of the product, making it easier to use and apply.
(1) Hazard Overview: Polyethylene glycol itself has low toxicity, but may produce harmful substances under high temperatures or specific conditions. Mild irritation to skin and eyes.
(2) First aid measures: In case of accidental contact with eyes or skin, rinse immediately with plenty of water and seek medical assistance. When ingested by mistake, rinse your mouth immediately and seek medical attention.
(3) Protective measures: When operating polyethylene glycol, it is recommended to wear appropriate personal protective equipment, such as protective goggles, protective clothing, and rubber gloves. Ensure good ventilation in the work environment.
(4) Storage and transportation: Polyethylene glycol should be stored in a cool, dry, well ventilated place, away from sources of fire and high temperatures. During transportation, attention should be paid to preventing leaks and exposure to sunlight.