Description

Stearic Acid, 2-(Octadecyloxy)Ethyl Ester is a high-purity, long-chain fatty acid ester derived from stearic acid, valued for its excellent lubricity, stability, and hydrophobic properties. This compound serves as a crucial intermediate and performance additive in advanced formulations, enhancing product functionality and durability. It is essential for manufacturers in the cosmetics, plastics, lubricants, and specialty chemical industries seeking reliable, high-quality raw materials.

Application

• As a lubricant and internal/external release agent in polymer processing and plastic manufacturing.
• As a key emollient and viscosity modifier in high-end cosmetic and personal care formulations, such as creams and lotions.
• As a surface treatment agent and hydrophobic additive for textiles, paper, and coatings.
• As a plasticizer and processing aid to improve the flexibility and workability of rubber and plastic compounds.
• As a intermediate in the synthesis of more complex surfactants and specialty chemicals.
• As a corrosion inhibitor and anti-wear additive in specialty lubricants and metalworking fluids.

Basic Information

Product Name	Stearic Acid, 2-(Octadecyloxy)Ethyl Ester
CAS No.	28843-25-6
Molecular Formula	C₃₈H₇₆O₃
Molecular Weight	581.0 g/mol
Synonyms	2-(Octadecyloxy)ethyl stearate; Ethylene glycol monooctadecyl ether stearate; Octadecyl 2-hydroxyethyl ether stearate; Stearic acid ethylene glycol monooctadecyl ether ester; PEG-1 stearyl ether stearate; Arachidyl behenyl ether stearate (related trade names); Polyoxyethylene (1) stearyl ether stearate
EINECS	Contact for details

Quality Control

Our Stearic Acid, 2-(Octadecyloxy)Ethyl Ester is manufactured under a strict quality management system. Each 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, acid value, and saponification value are available upon request to support your quality assurance protocols.

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 to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 95.0%
Acid Value	≤ 2.0 mg KOH/g
Saponification Value	90 - 110 mg KOH/g
Melting Point	50 - 60 °C

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