Description

Stearyl Stearoyl Stearate is a high-purity, synthetic ester derived from stearic acid and stearyl alcohol, functioning as a versatile non-ionic emollient and consistency regulator. Its primary value lies in providing exceptional stability, smooth texture, and a non-greasy feel in formulations, making it a critical component for premium product performance. This ingredient is essential for manufacturers in the cosmetics, personal care, and pharmaceutical industries seeking to enhance the sensory profile and physical properties of creams, lotions, and ointments.

Application

• Cosmetic & Personal Care Formulations: Acts as a primary emollient and thickener in skin creams, lotions, sunscreens, and decorative cosmetics to improve spreadability and provide a velvety after-feel.
• Pharmaceutical Topicals: Used as a base or consistency agent in ointments, dermatological creams, and medicated patches to ensure uniform drug delivery and skin compatibility.
• Hair Care Products: Imparts conditioning and lubricating properties in hair conditioners, styling creams, and anti-frizz serums, enhancing shine and manageability.
• Lipstick and Lip Care: Serves as a structuring agent and emollient in lipsticks, lip balms, and glosses, contributing to smooth application and improved pigment dispersion.
• Industrial Lubricants & Release Agents: Functions as a synthetic lubricant and mold release agent in plastic and rubber processing due to its excellent thermal stability.
• Food-Grade Applications (where certified): Can be utilized as a release agent or texturizer in food contact materials and packaging, subject to appropriate regulatory compliance.

Basic Information

Product Name	Stearyl Stearoyl Stearate
CAS No.	54684-78-5
Molecular Formula	C54H108O4
Molecular Weight	821.4 g/mol
Synonyms	Octadecyl stearoyl stearate; Stearyl stearate stearate; Stearyl stearoyl stearate ester; SS-S; Glyceryl tristearate (related triglyceride, common confusion); Stearic acid, stearyl ester (partial); Cetyl-Stearyl Stearate (common blend name); Stearoyl Stearyl Stearate
EINECS	259-279-5

Quality Control

Our Stearyl Stearoyl Stearate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets stringent specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, acid value, saponification value, and heavy metal content are available upon request. We adhere to cGMP principles where applicable to support demanding pharmaceutical and cosmetic applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Avoid prolonged exposure to high temperatures and humidity to maintain product integrity and prevent clumping.

Specification

Item	Specification
Appearance	White to off-white waxy solid / flakes
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Acid Value	≤ 2.0 mg KOH/g
Saponification Value	190 - 210 mg KOH/g
Iodine Value	≤ 2.0 g I2/100g
Melting Point	55 - 65 °C
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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