Description

3-Triacontylheptamethyltrisiloxane, Tech-85 is a high-purity, technical-grade organosilicon compound characterized by its long alkyl chain and trisiloxane backbone. This unique molecular structure provides excellent surface-modifying properties, making it a valuable intermediate for advanced material synthesis. It is primarily utilized in the formulation of specialty lubricants, release agents, and surface treatments within the industrial manufacturing and chemical processing sectors.

Application

• Lubricant & Grease Additive: Imparts superior lubricity and anti-wear properties in high-performance synthetic lubricants and greases.
• Mold Release Agent: Acts as an effective internal or external release agent in plastics, rubber, and composite material processing.
• Surface Treatment Agent: Used to modify surface energy and provide hydrophobic coatings on metals, glass, and polymers.
• Chemical Intermediate: Serves as a key building block for synthesizing more complex silicone polymers and functional fluids.
• Textile & Fiber Processing: Functions as a softener and water repellent finish for technical textiles and fibers.
• Personal Care & Cosmetics: Employed as an emollient and conditioning agent in high-end cosmetic formulations (subject to grade-specific compliance).

Basic Information

Product Name	3-Triacontylheptamethyltrisiloxane, Tech-85
CAS No.	401514-97-4
Molecular Formula	C37H80O2Si3
Molecular Weight	649.3 g/mol
Synonyms	Heptamethyltriacontyltrisiloxane; Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-triacontyl-; 3-Triacontyl-1,1,1,3,5,5,5-heptamethyltrisiloxane; Long-chain alkyltrisiloxane; Alkyl-modified trisiloxane; Silicone fluid intermediate; Tech-85 Silicone; Organomodified trisiloxane
EINECS	Contact for details

Quality Control

Our 3-Triacontylheptamethyltrisiloxane, Tech-85 is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistency and meets the defined technical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical parameters is provided with every shipment to guarantee traceability and compliance with your quality requirements.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 85.0%
Density (at 20°C)	0.86 - 0.90 g/cm³
Viscosity (at 25°C)	20 - 50 cSt
Refractive Index (n20D)	1.440 - 1.450

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