Description

2-[Acetoxy(Polyethyleneoxy)Propyl]Heptamethyltrisiloxane is a specialized organosilicon compound that combines silicone and polyether functionalities. This unique structure provides excellent surfactant properties, making it a valuable ingredient for modifying surface tension and enhancing compatibility in complex formulations. It is primarily used by manufacturers in the personal care, coatings, and polyurethane foam industries seeking advanced performance additives. Its CAS number is 125997-17-3.

Application

• Personal Care & Cosmetics: Acts as a high-performance surfactant and emulsifier in creams, lotions, and hair care products, providing a smooth, non-greasy feel.
• Polyurethane Foam Production: Serves as a key cell-opening surfactant and stabilizer in flexible slabstock and molded foam formulations.
• Industrial Coatings & Inks: Used as a flow control, leveling, and wetting agent to improve substrate coverage and film formation.
• Adhesives & Sealants: Functions as a compatibilizer and rheology modifier to enhance processability and final product properties.
• Agricultural Adjuvants: Employed as a spreading and penetrating agent to improve the efficacy of pesticide and herbicide formulations.
• Textile & Fiber Treatment: Utilized as a softener and lubricant to impart desirable hand-feel and processing characteristics to fabrics.

Basic Information

Product Name	2-[Acetoxy(Polyethyleneoxy)Propyl]Heptamethyltrisiloxane
CAS No.	125997-17-3
Molecular Formula	CnH2n+1OmSi3 (Variable polyether chain length)
Molecular Weight	Variable (dependent on ethylene oxide units)
Synonyms	Acetoxy PEG/PPG Propyl Heptamethyl Trisiloxane; Silicone Polyether Acetate; Polyalkyleneoxide Modified Heptamethyltrisiloxane; Trisiloxane, heptamethyl-, 3-[2-[2-(acetyloxy)ethoxy]ethoxy]propyl-; Polyether Modified Trisiloxane Surfactant; Organosilicone Surfactant; Silwet-type Surfactant (Analog); Alkoxylated Trisiloxane
EINECS	Contact for details

Quality Control

Our production of 2-[Acetoxy(Polyethyleneoxy)Propyl]Heptamethyltrisiloxane adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including assay, identification, and impurity profiling, to ensure consistency and performance. Certificates of Analysis (COA) documenting purity, viscosity, and other critical parameters are available upon request to support your quality assurance processes.

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 / 59-77°F). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (by Titration/NMR)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Viscosity (at 25°C)	Contact for details
Specific Gravity (at 25°C)	Contact for details
Refractive Index (n20D)	Contact for details

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