A nonionic oil-in-water emulsifier for topical formulations that provides high stability in topical fluid lotions and light emulsions over a wide pH range.
Names & synonyms
| USP NF Name | Mixture of PEG-6 stearate (type I) and PEG-32 stearate (type I) |
|---|---|
| EP Name | Pending |
| UNII Code (FDA) | 8LQC57C6B0 33GX5WQC0M |
| Preferred Substance Name (FDA) | PEG-6 STEARATE PEG-32 STEARATE |
| Handbook of Pharmaceutical Excipients | Polyoxylethylene stearates |
| Chemical description | Consists of a mixture of PEG-6 (MW 300) esters of stearic (C18) acid and PEG-32 (MW 1500) esters of stearic (C18) acid |
Key characteristics
| Product form | Waxy solid |
|---|---|
| Melting range (°C) | 40.4 - 44.4 |
| HLB | 10 |
Main functionalities
Polyvalent emulsifier compatible with all types of oils and ideal for topical lotions. Stabilizes and improves sensorial and texture properties. Safety of use is inferred by precedence of use in approved pharmaceutical products.
Main formulation technologies
Topical lotion and light cream.
Resources
Technical documentation
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