Description

Hexapropyldisiloxane is a high-purity organosilicon compound, specifically a disiloxane derivative with six propyl substituents. This chemical serves as a versatile intermediate and functional additive, valued for its ability to modify surface properties and impart specific organic character to silicone-based systems. It is primarily utilized by manufacturers in the silicone polymer, specialty chemical, and advanced materials sectors for applications requiring tailored hydrophobicity and compatibility.

Application

• Silicone Intermediate: A key building block for the synthesis of custom polysiloxanes and silicone resins with specific chain lengths and properties.
• Surface Modification Agent: Used to hydrophobize inorganic surfaces like silica, glass, or metals, improving moisture resistance and compatibility with organic matrices.
• Lubricant & Release Agent Formulation: Acts as a base fluid or additive in high-performance lubricants and mold release agents for industrial processes.
• Pharmaceutical & Cosmetic Ingredient: Employed as a silanizing agent or carrier in controlled-release drug delivery systems and personal care products.
• Adhesive & Sealant Additive: Enhances the flexibility, water repellency, and adhesion properties of silicone-based adhesives and sealants.
• Research & Development: Serves as a standard or reagent in organic and organometallic chemistry research for studying siloxane bond formation and reactivity.

Basic Information

Product Name	Hexapropyldisiloxane
CAS No.	17841-51-9
Molecular Formula	C18H42O1Si2
Molecular Weight	330.71 g/mol
Synonyms	1,1,1,3,3,3-Hexapropyldisiloxane; Disiloxane, hexapropyl-; Hexapropyl disiloxane; Tris(propyl)silyl ether; Propyl Silicone Fluid D3; O[Si(C3H7)3]2
EINECS	Contact for details

Quality Control

Our Hexapropyldisiloxane is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including GC, NMR, and Karl Fischer titration, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee it meets your precise 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 oxidizing agents and moisture. For long-term storage, consider using under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20D)	1.420 - 1.430
Density (20°C)	0.85 - 0.87 g/mL

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