Stearyl arachidate
Stearyl arachidate (CAS 22432-79-7), a fatty acid ester with the molecular formula C38H76O2 and a molecular weight of 565.01 g/mol, is a wax monoester derived from stearyl alcohol and arachidic acid. It functions as a lipid and fatty acyl compound. This chemical serves as a valuable ingredient in various cosmetic and personal care formulations, contributing to emollient and thickening properties. It is also employed in research settings as a biochemical reagent.
- IUPAC
- Arachidic acid stearyl ester
- Synonyms
- Arachidic acid stearyl esterStearic acid, 2-octadecyloxy-2-oxoethyl ester

Cosmetic Formulations
Stearyl arachidate is utilised in the development of skincare products, including creams, lotions, and emollients, due to its conditioning and viscosity-increasing properties. It contributes to a smooth texture and enhances product stability.
Personal Care Products
This ester finds application in a range of personal care items, where it acts as an emollient, helping to soften and smooth the skin. Its waxy nature can also provide a desirable consistency to formulations.
Biochemical Research
As a defined fatty acid ester, stearyl arachidate serves as a reagent in biochemical studies and lipid research. It can be used to investigate metabolic pathways or as a standard in analytical procedures.
| Molecular weight | 565.01 |
|---|---|
| Empirical formula | C38H76O2 |
| Storage temperature | −20°C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | nwg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Stearyl Arachidate used for?
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Stearyl arachidate is primarily used in cosmetic and personal care formulations as an emollient and thickening agent. It also serves as a reagent in biochemical research.
What is the CAS number and molecular formula for Stearyl Arachidate?
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The CAS number for Stearyl Arachidate is 22432-79-7, and its molecular formula is C38H76O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Stearyl Arachidate as a research or technical grade chemical. We do not represent it as USP, BP, EP, or any other pharmacopoeia standard unless explicitly stated.
How should Stearyl Arachidate be handled and stored?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Storage should be at -20°C.
Is Stearyl Arachidate a controlled substance?
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Based on the provided data, Stearyl Arachidate (CAS 22432-79-7) is not listed as a controlled substance.
How is Stearyl Arachidate packed and shipped?
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Stearyl Arachidate is packed and exported by Tech Serve Solutions adhering to international shipping regulations for chemicals.
How can I request a sample or quote for Stearyl Arachidate?
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To request a sample or a quotation for Stearyl Arachidate, please contact our sales team through the website or by calling our dedicated line.
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