Description

Octadecanoic Acid [[Tetrahydro-4-Hydroxy-3,5,5-Tris(Hydroxymethyl)-2H-Pyran]-3-Yl]Methyl Ester is a high-purity, specialty ester derivative of stearic acid and a functionalized tetrahydropyran, designed for advanced formulation chemistry. This compound matters for its role as a versatile, multifunctional intermediate that provides both lipophilic character and reactive hydroxyl groups for further chemical modification. It is needed by R&D chemists and production specialists in the pharmaceutical, cosmetic, and specialty polymer industries seeking to develop novel excipients, emulsifiers, or cross-linking agents.

Application

• Pharmaceutical Excipient Development: Serves as a multifunctional intermediate for synthesizing novel drug delivery agents, solubilizers, or controlled-release matrix components.
• Cosmetic & Personal Care Ingredients: Used in the formulation of advanced emollients, stabilizers, and texture enhancers in creams, lotions, and sunscreens.
• Specialty Polymer Synthesis: Acts as a monomer or cross-linking agent for creating polymers with specific hydrophobicity, biodegradability, or mechanical properties.
• Lubricant & Grease Additives: Functions as a performance additive to modify viscosity, improve stability, or provide anti-wear characteristics in synthetic lubricants.
• Surface Coating Modifiers: Employed to alter the surface properties of coatings, inks, or adhesives, enhancing adhesion, scratch resistance, or water repellency.
• Chemical Intermediate: Provides a platform for further organic synthesis, leveraging its reactive hydroxyl groups for esterification, etherification, or polymerization reactions.

Basic Information

Item	Details
Product Name	Octadecanoic Acid [[Tetrahydro-4-Hydroxy-3,5,5-Tris(Hydroxymethyl)-2H-Pyran]-3-Yl]Methyl Ester
CAS No.	67953-13-3
Molecular Formula	C27H52O7
Molecular Weight	488.70 g/mol
Synonyms	Stearic Acid [[Tetrahydro-4-Hydroxy-3,5,5-Tris(Hydroxymethyl)-2H-Pyran]-3-Yl]Methyl Ester; Methyl 3,5,5-Tris(hydroxymethyl)-4-hydroxy-tetrahydro-2H-pyran-3-yl Octadecanoate; 3,5,5-Tris(hydroxymethyl)-4-hydroxy-tetrahydro-2H-pyran-3-yl Methyl Stearate; (Tetrahydro-4-hydroxy-3,5,5-tris(hydroxymethyl)-2H-pyran-3-yl)methyl Octadecanoate; Tris(hydroxymethyl) Derivative of Stearic Acid Ester; Multifunctional Stearate Ester; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our Octadecanoic Acid [[Tetrahydro-4-Hydroxy-3,5,5-Tris(Hydroxymethyl)-2H-Pyran]-3-Yl]Methyl Ester is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting full specifications are available upon request, supporting compliance with cGMP and relevant ICH guidelines for pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which may affect product quality and stability.

Specification

Item	Specification
Appearance	White to off-white powder or waxy solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Melting Point	Contact for details
Heavy Metals	≤ 20 ppm

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