Description

Oleyl Stearate is a high-purity, unsaturated fatty acid ester derived from oleyl alcohol and stearic acid. This compound is valued for its excellent emollient, lubricating, and conditioning properties, making it a versatile ingredient in advanced formulations. It is primarily sought after by manufacturers in the personal care, cosmetics, and pharmaceutical industries for its ability to enhance product texture and stability.

Application

• Cosmetic & Personal Care Formulations: Acts as a premium emollient and skin-conditioning agent in creams, lotions, lipsticks, and sunscreens.
• Hair Care Products: Provides excellent lubricity and shine in conditioners, hair serums, and styling products.
• Pharmaceutical Topicals: Used as a non-greasy base and penetration enhancer in ointments and dermatological creams.
• Industrial Lubricants & Release Agents: Serves as a biodegradable lubricant and mold release agent in plastic and rubber processing.
• Textile Processing: Functions as a softener and lubricant for fibers and yarns.
• Metalworking Fluids: Employed as an additive to improve lubricity and corrosion protection.

Basic Information

Product Name	Oleyl Stearate
CAS No.	33057-39-5
Molecular Formula	C₃₆H₇₀O₂
Molecular Weight	534.9 g/mol
Synonyms	9-Octadecen-1-ol, 1-octadecanoyl ester; (Z)-Octadec-9-enyl stearate; Oleyl alcohol stearic acid ester; Stearic acid, oleyl ester; Octadec-9-enyl octadecanoate; Kemester 5822 (trade name); Schercemol OLO (trade name)
EINECS	251-354-0

Quality Control

Our Oleyl Stearate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling, to ensure it meets stringent specifications for cosmetic and industrial applications. A Certificate of Analysis (COA) documenting all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at 15-25°C. This material is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen to maintain optimal quality and shelf life.

Specification

Item	Specification
Appearance	Clear, pale yellow to colorless liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Acid Value	≤ 2.0 mg KOH/g
Iodine Value	25 - 35 g I₂/100g
Saponification Value	100 - 110 mg KOH/g
Water Content (KF)	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.