About Polyethylene Glycol

Polyethylene Glycol (PEG) is a polyether compound with the chemical formula H(OCH₂CH₂)_nOH, where ‘n’ represents the number of repeating ethylene oxide units. This versatile polymer is available in various molecular weights, influencing its physical state; lower molecular weight PEGs are typically clear, viscous liquids, while higher molecular weight variants appear as waxy solids. PEG is synthesised through the polymerisation of ethylene oxide, allowing for the production of polymers with a broad range of molecular weights, which in turn determines their specific applications. Due to its solubility in water and many organic solvents, as well as its non-toxic and non-irritant properties, PEG is utilised across numerous industries including pharmaceuticals, cosmetics, food, and industrial manufacturing.

Polyethylene Glycol Uses

Pharmaceutical Applications

In the pharmaceutical industry, PEG serves multiple roles such as a solvent, plasticiser, surfactant, and as a base for ointments and suppositories. Its ability to dissolve a wide range of substances makes it valuable in formulating various medicinal preparations. Additionally, PEG is employed as a tablet and capsule lubricant, enhancing the manufacturing process and improving the consistency of the final product.

Cosmetic and Personal Care Products

PEG is widely used in the formulation of cosmetics and personal care items, including skin creams, lotions, shampoos, and toothpastes. It acts as a humectant, helping to retain moisture, and as a thickener, providing desirable texture and consistency to products. Its non-irritating nature makes it suitable for use in products designed for sensitive skin.

Industrial Applications

In industrial settings, PEG functions as a lubricant and surfactant. It is utilised in the production of plasticisers, which enhance the flexibility and durability of plastics. Additionally, PEG’s properties make it effective in reducing friction and improving fluidity in various manufacturing processes.

Food Industry

Within the food industry, PEG is employed as an anti-foaming agent and emulsifier. It helps in preventing foam formation during food processing and ensures the uniform dispersion of ingredients, contributing to the consistency and quality of food products.

Medical and Biomedical Uses

PEG is used in medical applications such as in laxatives to relieve occasional constipation. Its osmotic properties facilitate water retention in the intestines, promoting bowel movements. Moreover, PEG is utilised in various biomedical fields, including drug delivery systems and tissue engineering, due to its biocompatibility and versatility.

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Redox are trusted, authorised suppliers of Polyethylene Glycol. With distribution centres worldwide, we can supply to Australia, USA, UK, NZ, Europe, Asia, and more. Get in touch with our expert team, who can help you order the right product, form, and amount for your needs.

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