Description

(Heptafluoropropyl)Trimethylsilane is a high-purity organofluorosilicon compound, also known as 1H,1H,2H,2H-Heptafluoropropyltrimethylsilane. This specialty chemical serves as a critical reagent and intermediate, valued for its ability to introduce fluorinated alkyl groups and silyl protecting groups into complex molecular architectures. It is essential for R&D and production in the pharmaceutical, agrochemical, and advanced materials sectors, where precise fluorination and surface modification are required.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) requiring fluorinated side chains to enhance metabolic stability and bioavailability.
• Agrochemical Synthesis: Acts as a key building block for creating advanced herbicides and pesticides with improved environmental persistence and efficacy.
• Surface Modification Agent: Imparts hydrophobic and oleophobic properties to glass, ceramics, and textiles, creating stain-resistant and easy-clean surfaces.
• Fluorinated Silicone Precursor: Employed in the production of specialty fluorosilicone oils and elastomers with enhanced resistance to fuels, oils, and solvents.
• Protecting Group in Organic Synthesis: Functions as a versatile trimethylsilyl (TMS) protecting agent for alcohols and other functional groups during multi-step synthetic sequences.
• Electronics & Semiconductor Industry: Used in chemical vapor deposition (CVD) processes to create low-surface-energy, dielectric, or water-repellent coatings on electronic components.

Basic Information

Product Name	(Heptafluoropropyl)Trimethylsilane
CAS No.	3834-42-2
Molecular Formula	C6H9F7Si
Molecular Weight	230.21 g/mol
Synonyms	1H,1H,2H,2H-Heptafluoropropyltrimethylsilane; Trimethyl(3,3,4,4,5,5,5-heptafluoropentyl)silane; 3,3,4,4,5,5,5-Heptafluoropentyltrimethylsilane; (3,3,4,4,5,5,5-Heptafluoropentyl)trimethylsilane; Heptafluoropropyltrimethylsilane; Perfluoropropyltrimethylsilane; F-TMS reagent
EINECS	223-337-7

Quality Control

Our (Heptafluoropropyl)Trimethylsilane is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at 15-25°C. This material is hygroscopic (moisture-sensitive) and incompatible with strong bases and fluorides. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	1.25 - 1.30 g/mL
Refractive Index (n20D)	1.335 - 1.345

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