Description

Octadecanoic Acid, Pentadecyl Ester is a high-purity synthetic ester derived from stearic acid. This compound serves as a versatile intermediate and functional additive, valued for its hydrophobic properties and compatibility with various organic matrices. It is particularly sought after by manufacturers in the personal care, lubricant, and specialty chemical industries for formulating stable, high-performance products.

Application

• As a wax ester and emollient in cosmetic and personal care formulations, such as creams, lotions, and lipsticks.
• Functioning as a lubricant and plasticizer in the production of polymers and specialty plastics.
• Utilized as a surfactant intermediate and coupling agent in industrial cleaning and degreasing compounds.
• Acting as a textile finishing agent to impart water repellency and softness to fabrics.
• Serving as a release agent and mold lubricant in rubber and plastic molding processes.
• Employed in the synthesis of other specialty esters for niche chemical applications.

Basic Information

Product Name	Octadecanoic Acid, Pentadecyl Ester
CAS No.	18299-80-4
Molecular Formula	C₃₃H₆₆O₂
Molecular Weight	494.88 g/mol
Synonyms	Pentadecyl Stearate; Stearic Acid Pentadecyl Ester; n-Pentadecyl Octadecanoate; Pentadecanol Stearate; 1-Pentadecyl Stearate; Octadecanoic Acid, Pentadecyl Ester (CAS 18299-80-4); Cetyl Stearate (related ester, note distinction)
EINECS	Contact for details

Quality Control

Our Octadecanoic Acid, Pentadecyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) documenting purity, identity, and key parameters is available for every shipment to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	White to off-white solid / waxy solid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Melting Point	Contact for details
Acid Value	≤ 1.0 mg KOH/g
Saponification Value	Contact for details

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