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BASF offers the world's largest portfolio of chemical raw materials for the pharmaceutical industry, ensuring the needs of our partners are always met. Every step of biopharmaceutical manufacturing requires high-quality raw materials delivered through a transparent, sustainable supply chain. BASF Biopharma Ingredients is committed to meeting your requirements for every ingredient we supply to the biologics industry. At BASF, we create excipients that are safe, effective, and convenient for your customers. Whether you’re developing orally disintegrating formulations that require taste-masking or modified release tablets, BASF has ingredients to deliver the precision you need, every time. At BASF, we offer a comprehensive range of cutting-edge solubilization polymers, and have an unparalleled understanding of the corresponding process technologies. BASF offers an unparalleled portfolio of excipients for topical formulations, enabling you with the tools to overcome formulation challenges. With products based on over 150 years of industry experience, BASF is committed to maintaining the highest level of quality across the product spectrum.
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Kollisolv® PEG 400 is a colorless and tasteless liquid at room temperature. It is readily soluble in water, ethanol, acetone, glycols and chloroform and insoluble in ether, paraffin, oils and fats.


  • Versatile, water-miscible vehicle used as solvent and solubilizing agent for active substances and excipients in liquid and semisolid preparation
  • Can be paired with BASF surfactants (for example Kolliphor® RH 40) to promote solubilization of poorly water-soluble APIs
  • Can be used for crystallization inhibition with BASF polymers (for example Kollidon® 12 PF)
  • Can also be used as a chemical intermediate in drug formulation


Plasticizers, Solvents / Co-solvents / Fills, Solubilizers

Technical Overview

Compendial Name

Macrogol, Polyglycol, polyoxyethylene and polydiol

Region of Manufacture


Package Size

  • 0,5KG Plastic bottle
  • 1000KG Composite IBC
  • 130KG Plastic drums

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