Description

Trisiloxane, 3-(Dimethylsilyl)Oxy-1,1,5,5-Tetramethyl-3-Propyl- is a specialized organosilicon compound, a member of the trisiloxane family, valued for its unique surfactant and spreading properties. This chemical is engineered to deliver superior surface wetting and compatibility in complex formulations, making it a critical performance additive. It is primarily sought by manufacturers in the agrochemical, polyurethane, and specialty coatings industries for developing advanced, high-performance products.

Application

• Agrochemical Adjuvants: Key component in super-spreading surfactants for herbicides, pesticides, and fungicides, enhancing droplet spread and leaf coverage.
• Polyurethane Foam Production: Acts as a cell-opening surfactant and stabilizer in flexible foam formulations, improving foam structure and physical properties.
• Specialty Coatings & Inks: Used as a flow and leveling agent to reduce surface tension, promoting even film formation and superior substrate wetting.
• Personal Care & Cosmetics: Functions as an emollient and carrier in silicone-based formulations for hair care and skin care products.
• Industrial Cleaners & Polishes: Enhances the cleaning efficacy and spreading ability of formulations for automotive, glass, and hard surface cleaners.
• Release Agents: Employed in molding processes for plastics and rubber to facilitate easy demolding and provide a non-stick surface.

Basic Information

Product Name	Trisiloxane, 3-(Dimethylsilyl)Oxy-1,1,5,5-Tetramethyl-3-Propyl-
CAS No.	172080-99-8
Molecular Formula	C11H30O2Si3
Molecular Weight	290.62 g/mol
Synonyms	1,1,1,5,5,5-Hexamethyl-3-propyltrisiloxane; 3-(Dimethylsilyloxy)-1,1,5,5-tetramethyl-3-propyltrisiloxane; Propyltrisiloxane; Trisiloxane, 3-propyl-; Dow Corning® FF-400; Silwet® L-77 Analog; Super Spreading Trisiloxane; Polyether-modified trisiloxane surfactant precursor
EINECS	Contact for details

Quality Control

Our Trisiloxane, 3-(Dimethylsilyl)Oxy-1,1,5,5-Tetramethyl-3-Propyl- is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including GC and NMR, to ensure consistent purity and performance that meets our stringent specifications and your formulation requirements. Certificates of Analysis (COA) are provided with each shipment and are available upon request.

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, bases, and oxidizing agents. This material is moisture-sensitive; ensure containers are kept tightly sealed when not in use to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.405 - 1.415
Density (20°C)	0.92 - 0.96 g/mL
Water Content (KF)	≤ 0.1%

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