Polyethylene Glycol 6000 (PEG 6000, Pharmaceutical Grade)
CAS Number: 25322-68-3
Pharmaceutical grade PEG 6000 is a higher-molecular-weight solid polyethylene glycol with an average MW of 5500–7500 Da, offering increased viscosity and a higher melting point compared to PEG 4000. It is used as a suppository base, tablet binder, film coating plasticizer, and melt granulation carrier. Its water solubility and biocompatibility make it suitable for diverse oral and rectal formulations.
Technical Specifications
| appearance | White waxy solid or flakes |
| average MW (Da) | 5500–7500 |
| pH (5% solution) | 4.5–7.5 |
| loss on drying (%) | ≤0.5 |
| melting point (°C) | 56–63 |
| hydroxyl value (mg KOH/g) | 15–22 |
Applications
- Suppository base
- Tablet binder and plasticizer
- Film coating agent
- Melt granulation carrier
- Controlled release matrix component
Key Features
- Higher MW for improved viscosity control
- Ideal suppository and coating base
- Water-soluble and biocompatible
- USP/NF, EP compliant
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CAS Number
25322-68-3
Category
Pharmaceutical ExcipientsAvailability
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