CAS · 9004-99-3
01
Product Overview
Polyoxyethylene stearate is a high-purity pharmaceutical-excipients supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
02
Product Specifications
| Character | White waxy solid, odorless or soft odor similar to grease. Soluble in water, alcohol, ether, acetone; insoluble in mineral and vegetable oils. |
|---|---|
| Identification | Infrared absorption spectrum should match reference. |
| Melting Point | 46~51℃ |
| Congealing Point | 37~47℃ |
| Acid Value | 2.0 max |
| Saponification Value | 25~35 |
| Hydroxyl Value | 25~40 |
| Peroxide Value | 10.0 max |
| Iodine Value | 3.0 max |
| Alkalinity | Solution color should not be red. |
| Ethylene Oxide | 1 ppm max |
| Dioxane | 380 ppm max |
| Free Polyethylene Glycol | 17~27% |
| Water Determination | 3.0% max |
| Residue on Ignition | 0.3% max |
| Heavy Metals | 10 ppm max |
| Fatty Acids Composition | Stearic Acid: 40.0% ~ 60.0% Stearic Acid and Palmitic Acid: 90.0% min |
| Storage | Preserve in impermeable containers at room temperature. Protect from light and humidity. |
| Total Aerobic Bacteria Count | 1000 cfu/g max |
| Total Mold and Yeast Count | 100 cfu/g max |
03
Applications
Detailed application notes for this product are available on request. Contact our technical team for the full application dossier, formulation guidance and regulatory documentation.
04
Benefits
The key benefits and differentiators of this product are available on request. Contact us for performance data, comparative specifications and selection guidance.
05
Conclusion
A concise summary and suitability assessment for this product is available on request. Contact our team to discuss whether it fits your process and quality requirements.