Description

Tetratriacontamethylhexadecasiloxane is a high molecular weight linear siloxane polymer, a key member of the polydimethylsiloxane (PDMS) family. This compound is valued for its exceptional thermal stability, low surface tension, and high lubricity, making it a critical performance additive and intermediate. It is primarily utilized in advanced industrial sectors requiring high-performance silicone fluids and specialty polymers.

Application

• High-Temperature Silicone Fluids: Used as a base fluid or additive in heat transfer fluids, diffusion pump oils, and high-temperature lubricants.
• Release Agents & Mold Lubricants: Provides excellent non-stick properties in plastic, rubber, and composite manufacturing processes.
• Personal Care & Cosmetics: Acts as a premium conditioning agent, emollient, and gloss enhancer in hair care and skincare formulations.
• Pharmaceutical Intermediates: Serves as a starting material or modifying agent in the synthesis of specialized silicone-based excipients and drug delivery systems.
• Electrical & Electronic Encapsulants: Imparts moisture resistance and dielectric properties in potting and encapsulation compounds.
• Surface Treatment & Coatings: Used to modify surface properties, providing water repellency, slip, and mar resistance.
• Specialty Polymer Synthesis: A key intermediate for producing custom silicone copolymers, resins, and elastomers with tailored properties.

Basic Information

Product Name	Tetratriacontamethylhexadecasiloxane
CAS No.	36938-50-8
Molecular Formula	C34H102O15Si16
Molecular Weight	1156.06 g/mol
Synonyms	Hexadecamethyloctasiloxane, Tetratriacontamethyl-; Polydimethylsiloxane, (Me2SiO)16; Dimethyl Silicone Fluid (16-mer); PDMS 16; Linear Hexadecamethyloctasiloxane; Octasiloxane, hexadecamethyl-; Silicone Oil (specific grade); Methyl Silicone Fluid 16
EINECS	Contact for details

Quality Control

Our Tetratriacontamethylhexadecasiloxane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and performance. Certificates of Analysis (COA) detailing key parameters such as viscosity, purity, and refractive index are provided to guarantee compliance with your technical 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 bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider using an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GPC)	≥ 95.0%
Viscosity (25°C)	Contact for details
Refractive Index (n20D)	Contact for details
Specific Gravity (25°C)	Contact for details
Water Content (KF)	≤ 0.1%

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