2-Butyloctyl Salicylate

Butyloctyl Salicylate, Sunscreen Stabilizer.

CAS
190085-41-7
EC
431-090-3
Sectors
Personal Care & Cosmetics

2-Butyloctyl Salicylate (CAS 190085-41-7) is a specialty cosmetic ester that appears as a colorless, low-odor liquid, functioning as a UV filter stabilizer and solvent that raises the photostability of Avobenzone and supports SPF efficiency in sun care and daily moisturizer formulations. This Cosmetic Grade liquid is renowned for its ability to increase the photostability of Avobenzone, a common but unstable sunscreen agent.

It functions as an excellent emollient, providing a non-greasy, elegant skin feel in sun care and daily moisturizing formulations. Its high refractive index contributes to the aesthetic appeal and spreadability of topical sun protection products.

Beyond stabilization, it serves as a highly effective dispersing agent for inorganic UV filters like Zinc Oxide and Titanium Dioxide. It is a low-odor, colorless liquid that integrates seamlessly into premium skincare lines without affecting the final fragrance profile.

Typical Properties

Molecular formulaC19H30O3
Molecular weight306.44 g/mol
Water solubility28.4μg/L at 20°C
Grades availableCosmetic Grade

Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.

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2-Butyloctyl Salicylate

Applications
  • Sun Care Products: Acts as a photostabilizer and solvent for organic UV filters, significantly boosting the SPF efficiency of sunscreens.
  • Color Cosmetics: Utilized in lipsticks and foundations as a pigment wetting agent, ensuring uniform color distribution and a smooth application.
  • Daily Moisturizers: Added to day creams to provide natural SPF boosting and a luxurious, soft skin feel without residual oiliness.
Safety & Risks

Considered a low-hazard ingredient; however, it may cause Mild Skin Irritation in concentrated forms. Standard PPE includes Safety Glasses and Gloves to maintain hygiene and prevent accidental eye contact during production.

Packaging

Available in 25 kg Plastic Pails or 200 kg Steel Drums, stored in cool, dry conditions away from direct sunlight.