Stearyl Alcohol: Emollient and Co-Emulsifying Thickener for Creams and Lotions
Stearyl alcohol (1-octadecanol) is a long-chain saturated fatty alcohol that functions as an emollient, thickener, and co-emulsifier in pharmaceutical and cosmetic semi-solid formulations. It imparts body, opacity, and a smooth, non-greasy feel to creams and lotions. Combined with cetyl alcohol (as cetostearyl alcohol), it is one of the most widely used consistency-building excipients in topical formulations.
Product Profile
| CAS Number | 112-92-5 |
|---|---|
| Molecular Formula | C₁₈H₃₈O |
| Appearance | White waxy flakes or granules with a faint characteristic odour |
| Function | Emollient / thickener / co-emulsifier / stabiliser |
| Typical Use Level | 2–10% in creams and lotions |
| Compendial Grade | EP / USP-NF |
Formulation Applications
In oil-in-water emulsion systems, stearyl alcohol sits at the oil-water interface alongside primary emulsifiers (such as polysorbates or ceteareth-20), forming a mixed emulsifier film that dramatically improves emulsion stability. It builds viscosity and provides the rich, creamy texture expected by consumers in moisturisers and pharmaceutical creams. In ointment formulations, it acts as a stiffening agent. Stearyl alcohol is also used in hair conditioners and masques where it provides slip and detangling properties. In oral solid dosage forms, it can serve as a matrix former in sustained-release tablets.
Why Source from TCS
TCS supplies Stearyl Alcohol in pharmaceutical and cosmetic grades to formulators across Europe. Available in standard packaging with flexible quantities for R&D through production scale. Contact us with your application and volume requirements.
FAQ
What information should be included in an inquiry for Stearyl Alcohol –112-92-5?
A useful inquiry normally includes the product name, target application, estimated quantity, destination market, and any specific documentation or packaging requests.
How is Stearyl Alcohol –112-92-5 usually evaluated for sourcing?
This product is positioned for excipient sourcing where formulation fit, dosage form, handling, and repeat purchasing requirements need to be reviewed together with commercial supply conditions.
What documentation and commercial points are commonly reviewed before buying Stearyl Alcohol –112-92-5?
For excipient sourcing, teams usually discuss the intended dosage form, formulation role, packaging format, order volume, and the routine documentation needed for qualification and purchasing.
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If your team already has a target application, estimated quantity, destination market, or documentation requirements, send those details so the commercial response can be prepared more efficiently.