Polyethylene glycol (PEG) is a synthetic polymer produced in various molecular weights ranging from a few hundred to several thousand daltons. The molecular weight directly affects properties such as solubility, freezing point, and viscosity. PEG dissolves in water and some organic solvents. As the molecular weight increases, its solubility in water decreases. The viscosity of PEG increases with higher molecular weights. Low molecular weight PEGs are viscous liquids, while high molecular weight PEGs are solid and wax-like. The melting point of PEG increases with increasing molecular weight.
Pharmaceuticals and Medicine: Used as a solvent, stabilizer, and softener in pharmaceutical formulations. It is used in the preparation of various medications, including tablets and capsules, and as a base in topical products.
Cosmetics and Personal Care Products: Used as a moisturizer, softener, and additive in skin and hair care products.
Food Industry: Employed as an additive in some food products to create the right texture or as a lubricant.
Textile and Plastic Industry: Used as a softener and additive in the production of plastics and textiles.
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