Description

Tristearyl Orthoformate is a high-purity, long-chain orthoester derivative of orthoformic acid. This specialty chemical serves as a versatile intermediate and performance additive, valued for its unique reactivity and hydrophobic properties. It is primarily utilized in the synthesis of fine chemicals, polymer modification, and as a functional additive in advanced lubricant and coating formulations for industries demanding high thermal and oxidative stability.

Application

• Polymer Additive: Acts as a stabilizer and plasticizer in specialty polymer systems to enhance processing and final material properties.
• Lubricant & Grease Formulation: Used as a high-performance additive to improve viscosity index, thermal stability, and water resistance.
• Organic Synthesis Intermediate: Serves as a key reagent in the synthesis of complex esters, acetals, and other fine chemicals under controlled conditions.
• Coating & Resin Modifier: Imparts hydrophobic characteristics and improves the durability of industrial coatings and resins.
• Chemical Research & Development: Employed in R&D laboratories for developing novel materials and catalytic processes.

Basic Information

Product Name	Tristearyl Orthoformate
CAS No.	17671-28-2
Molecular Formula	C55H112O3
Molecular Weight	821.5 g/mol
Synonyms	Orthoformic Acid Tristearyl Ester; 1,1,1-Tris(octadecyloxy)methane; Methane, 1,1,1-tris(octadecyloxy)-; Tristearyl Orthoformate; Trioctadecyl Orthoformate; Tris(stearyl) Orthoformate
EINECS	Contact for details

Quality Control

Our Tristearyl Orthoformate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters are provided and available upon request 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 (15-25°C). Keep away from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm

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