Description

Octadecanoic Acid Heptadecyl Ester is a high-purity, long-chain fatty acid ester with the CAS registry number 18299-82-6. This compound serves as a versatile intermediate and functional additive, valued for its hydrophobic properties and compatibility with various organic matrices. It is primarily utilized in the formulation of advanced lubricants, personal care products, and specialty polymer processing aids.

Application

• As a lubricant additive and viscosity modifier in synthetic oils and greases.
• Functioning as an emollient and skin-conditioning agent in cosmetic and personal care formulations.
• Acting as a plasticizer and processing aid for specialty polymers and resins.
• Utilized as a waterproofing agent in coatings and textile treatments.
• Serving as a intermediate in the synthesis of more complex surfactants and esters.
• Employed as a release agent in industrial molding and casting processes.
• Used in the research and development of phase change materials for thermal energy storage.

Basic Information

Product Name	Octadecanoic Acid Heptadecyl Ester
CAS No.	18299-82-6
Molecular Formula	C₃₅H₇₀O₂
Molecular Weight	522.9 g/mol
Synonyms	Stearic Acid Heptadecyl Ester; Heptadecyl Octadecanoate; Heptadecyl Stearate; n-Heptadecyl Stearate; Octadecanoic Acid, Heptadecyl Ester; Stearic Acid, Heptadecyl Ester; NSC 3340
EINECS	Contact for details

Quality Control

Our Octadecanoic Acid Heptadecyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with key parameters including assay, acid value, and saponification value. Our quality commitment ensures the product meets the specifications required for your industrial or R&D applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	White to off-white solid / waxy flakes
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Saponification Value	105 - 115 mg KOH/g
Melting Point	55 - 65 °C

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