Description

12-Hydroxystearic Acid Ethyl Ester is a high-purity, synthetic ester derivative of 12-hydroxystearic acid, valued for its excellent lubricity, stability, and compatibility with a wide range of polymers and organic systems. This compound serves as a crucial intermediate and performance additive in advanced manufacturing, offering enhanced processing characteristics and final product properties. It is primarily sought by formulators and manufacturers in the polymer, lubricant, cosmetic, and specialty chemical industries for its multifunctional capabilities.

Application

• Polymer Additive: Acts as an internal and external lubricant and processing aid in PVC, engineering plastics, and synthetic rubber formulations to improve flow and reduce friction.
• Lubricant & Grease Component: Used as a synthetic base oil or thickening agent in high-performance lubricants and greases, providing excellent thermal and oxidative stability.
• Cosmetic & Personal Care Ingredient: Functions as an emollient, viscosity modifier, and carrier oil in creams, lotions, and makeup products.
• Chemical Intermediate: Serves as a key building block for the synthesis of more complex esters, surfactants, and specialty chemicals.
• Textile & Fiber Processing: Employed as a softening agent and spin finish for synthetic fibers to enhance handle and processing performance.
• Metalworking Fluids: Incorporated as a friction-reducing additive and corrosion inhibitor in cutting oils and drawing compounds.

Basic Information

Product Name	12-Hydroxystearic Acid Ethyl Ester
CAS No.	74815-67-1
Molecular Formula	C₂₀H₄₀O₃
Molecular Weight	328.53 g/mol
Synonyms	Ethyl 12-Hydroxystearate; 12-Hydroxyoctadecanoic Acid Ethyl Ester; Ethyl 12-Hydroxyoctadecanoate; 12-Hydroxystearic Acid Ethyl Ester; Octadecanoic acid, 12-hydroxy-, ethyl ester; Hydroxystearic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Our 12-Hydroxystearic Acid Ethyl Ester is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, hydroxyl value, and acid value are provided to guarantee consistent quality and traceability for your B2B applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong alkalis and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Hydroxyl Value	160 - 175 mg KOH/g
Acid Value	≤ 2.0 mg KOH/g
Melting Point	55 - 65 °C
Color (APHA)	≤ 100

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