Description

Bis(Octadecanoic Acid)[[Tetrahydro-4-Hydroxy-3,5-Bis(Hydroxymethyl)-2H-Pyran]-3,5-Diyl]Bis(Methylene) Ester is a specialized diester derivative of stearic acid and a functionalized pyran diol, valued for its role as a versatile chemical intermediate and performance additive. Its molecular structure provides unique properties that are leveraged in advanced material science and specialty chemical synthesis. This compound is primarily sought by formulators and researchers in the polymer, personal care, and pharmaceutical industries for its ability to modify material characteristics and act as a building block for complex molecules.

Application

• Polymer Additive: Functions as a plasticizer, lubricant, or internal mold release agent in engineering plastics and specialty polymer formulations.
• Personal Care Ingredients: Used as an emollient, viscosity modifier, or carrier in high-end cosmetic and skincare products.
• Chemical Synthesis Intermediate: Serves as a key building block for synthesizing more complex esters, dendrimers, or active pharmaceutical ingredients (APIs).
• Coating and Resin Modifier: Imparts flexibility, moisture resistance, or specific surface properties to industrial coatings, inks, and adhesives.
• Lubricant and Grease Formulation: Acts as a synthetic base oil or thickener component in high-performance lubricants and greases.
• Research & Development: Utilized in academic and industrial R&D for exploring new material properties and chemical pathways.

Basic Information

Product Name	Bis(Octadecanoic Acid)[[Tetrahydro-4-Hydroxy-3,5-Bis(Hydroxymethyl)-2H-Pyran]-3,5-Diyl]Bis(Methylene) Ester
CAS No.	67953-14-4
Molecular Formula	C44H82O8
Molecular Weight	739.1 g/mol
Synonyms	Stearic Acid Diester of 2,2-Bis(hydroxymethyl)-1,3-propanediol cyclic acetal with 4-Hydroxy-2-hydroxymethyltetrahydropyran; 1,3-Bis(octadecanoyloxymethyl)-5-hydroxy-2-hydroxymethyl-1,3-dioxane; 2,2-Bis(stearyloxymethyl)-5-hydroxy-1,3-dioxane; 5-Hydroxy-2,2-bis(stearyloxymethyl)-1,3-dioxane; Cyclic Acetal Diester of Stearic Acid; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our Bis(Octadecanoic Acid)[[Tetrahydro-4-Hydroxy-3,5-Bis(Hydroxymethyl)-2H-Pyran]-3,5-Diyl]Bis(Methylene) Ester is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, identity, and performance. Certificates of Analysis (COA) detailing key specifications are provided with every shipment. We can support compliance requirements for various applications, including those requiring documentation for research or industrial use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents and excessive heat. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Acid Value	≤ 2.0 mg KOH/g
Heavy Metals	≤ 10 ppm
Loss on Drying	≤ 0.5%

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