Octaethylene glycol

Octaethylene glycol (CAS 5117-19-1), commonly abbreviated as PEG-8, is a mid-chain polyethylene glycol.

Where is Octaethylene glycol used?

• Personal care: humectant and carrier that improves moisture retention and spreadability of creams, lotions, and serums
• Pharmaceutical: solubilizer and vehicle for active ingredients
• Printing inks and coatings: improves pigment dispersion and controls viscosity
• Metalworking and industrial lubricants: reduces friction and improves tool life in water-based cutting fluids
• It bridges water-soluble and lipophilic components in complex systems.

Good to know: In topical and oral preparations, consistent molecular weight distribution is critical for dosing accuracy.

Commercial specifications

• Packaging typically ranges from drums to intermediate bulk containers