Description

(3,3,3-Trifluoropropyl)Methylcyclic Siloxanes are a specialized class of organofluorosiloxane compounds, valued for their unique combination of silicone flexibility and fluorocarbon properties. These materials are engineered to provide enhanced chemical resistance, thermal stability, and surface activity compared to conventional methylsiloxanes. They are critical for advanced manufacturers in the electronics, coatings, and specialty polymer sectors seeking to improve product performance and durability.

Application

• Key intermediate for the synthesis of high-performance fluorosilicone oils and elastomers.
• Surface modification agent to impart water, oil, and chemical repellency to textiles and coatings.
• Additive in lubricants and greases for extreme temperature and harsh chemical environments.
• Release agent and flow aid in the processing of engineering plastics and composites.
• Dielectric fluid or insulating material in specialized electronic applications.
• Base material for creating tailored silicone-based surfactants and antifoaming agents.
• Component in the formulation of high-performance sealants and adhesives requiring fuel and solvent resistance.

Basic Information

Product Name	(3,3,3-Trifluoropropyl)Methylcyclic Siloxanes
CAS No.	26702-40-9
Molecular Formula	CnH2n+1F3SimOm (Cyclic mixture)
Molecular Weight	Varies by ring size (D3F, D4F, etc.)
Synonyms	1,3,5-Trimethyl-1,3,5-tris(3,3,3-trifluoropropyl)cyclotrisiloxane; 3,3,3-Trifluoropropyl Methyl Cyclic Siloxane; Fluorosilicone Cyclic Trimer; D3F; F-D3; Cyclic Fluorosilicone Oligomers; Methyl(3,3,3-trifluoropropyl)cyclosiloxanes; Trifluoropropylmethylcyclotrisiloxane
EINECS	Contact for details

Quality Control

Our (3,3,3-Trifluoropropyl)Methylcyclic Siloxanes are produced under a strict quality management system. Each batch is analyzed to ensure consistent composition, purity, and performance. Key parameters such as cyclic content distribution, refractive index, and volatile matter are monitored. A Certificate of Analysis (COA) detailing specific test results is provided with every shipment 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 acids, bases, and oxidizing agents. The product is moisture-sensitive; ensure containers are sealed after use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Cyclic Content (D3F, D4F, etc.)	≥ 95% (by GC)
Refractive Index (nD20)	1.380 - 1.390
Density (g/mL, 25°C)	1.25 - 1.35
Volatile Matter	≤ 1.0%
Water Content (KF)	≤ 0.1%

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