Isopropyl stearate

CAS Number
112-10-7
EC Number
203-934-9

What is Isopropyl stearate?

Isopropyl stearate (CAS 112-10-7) is an ester of isopropyl alcohol and stearic acid used as an emollient, lubricant, and solvent carrier. Also sold under the trade name Wickenol 127.

Where is Isopropyl stearate used?

  • Personal care: emollient and carrier in creams and lotions
  • Color cosmetics: lightweight skin feel without heaviness of heavier esters or mineral oils
  • Textile and leather finishing: softening and lubricating agent that improves fiber pliability and reduces friction during processing
  • Metalworking and industrial lubricants: base fluid or co-solvent where biodegradable ester-based lubrication is preferred
  • Coatings and paper treatment: plasticizer and solvent carrier
  • Its low viscosity and good spreadability make it a practical formulation base where dry, non-greasy skin feel or controlled lubricity is required.

Good to know: It serves as an effective alternative to petroleum-derived products. Cosmetic-grade material typically meets purity and color standards required by personal care manufacturers.

Commercial specifications

  • Bulk supply in drums and IBC containers

Other Names (Synonyms)

Octadecanoic acid, 1-methylethyl ester|Wickenol 127|1-Methylethyl octadecanoate|Stearic acid, isopropyl ester|43253ZW1MZ|ISOPROPYL STEARATE [II]|Emerest 2310

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What are the physical properties of Isopropyl stearate?

Melting Point 28 °C
Boiling Point 175-180 °C @ Press: 0.5 Torr
Density 0.8610
Color Colorless to light yellow
Form Liquid (Density: 0.862±0.06 g/cm3)
Refractive Index 1.4325 (estimate)
Log P 9.291 (est)

Which trade and regulatory codes apply to Isopropyl stearate?

Storage Class 11 - Combustible Solids
WGK (Germany) 3
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