Description

Octadecanoic Acid, 2-Ethylbutyl Ester is a high-purity ester derivative of stearic acid, valued for its excellent lubricity, thermal stability, and hydrophobic properties. This compound serves as a versatile intermediate and performance additive, enabling enhanced formulation control and product functionality across several industrial sectors. It is particularly sought after by manufacturers in the polymer, lubricant, and personal care industries seeking reliable, high-quality raw materials.

Application

• Polymer Additive: Acts as an internal and external lubricant and plasticizer in PVC, polyolefins, and engineering plastics to improve processing and surface finish.
• Synthetic Lubricant Base Stock: Used in the formulation of high-performance lubricating oils and greases, offering good viscosity-temperature characteristics and low volatility.
• Personal Care & Cosmetics: Functions as an emollient, texture enhancer, and carrier oil in creams, lotions, and makeup products.
• Metalworking Fluids: Serves as a friction-reducing additive and corrosion inhibitor in cutting, grinding, and drawing oils.
• Textile Auxiliaries: Employed as a softening agent and water-repellent finish for fibers and fabrics.
• Chemical Intermediate: Used in organic synthesis for further chemical modifications to create specialized surfactants or esters.

Basic Information

Product Name	Octadecanoic Acid, 2-Ethylbutyl Ester
CAS No.	112406-94-7
Molecular Formula	C₂₄H₄₈O₂
Molecular Weight	368.64 g/mol
Synonyms	2-Ethylbutyl Stearate; Stearic Acid, 2-Ethylbutyl Ester; 2-Ethylbutyl Octadecanoate; Octadecanoic Acid 2-Ethylbutyl Ester; Isohexyl Stearate (common name); Ester of Stearic Acid and 2-Ethylbutanol
EINECS	Contact for details

Quality Control

Our Octadecanoic Acid, 2-Ethylbutyl Ester is manufactured under a stringent quality management system. Each batch is tested against rigorous in-house specifications to ensure consistency, purity, and performance. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee supply reliability and traceability for your production needs.

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 oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Saponification Value	148 - 155 mg KOH/g
Moisture (KF)	≤ 0.1%

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