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Merck
CN

448931

Trichloro(1H,1H,2H,2H-perfluorooctyl)silane

97%

Synonym(s):

Trichloro(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)silane, 1H,1H,2H,2H-Perfluorooctyl-trichlorosilane

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About This Item

Linear Formula:
CF3(CF2)5CH2CH2SiCl3
CAS Number:
Molecular Weight:
481.54
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
EC Number:
278-947-6
Beilstein/REAXYS Number:
6154526
MDL number:
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Quality Segment

assay

97%

refractive index

n20/D 1.352 (lit.)

bp

192 °C (lit.)

density

1.3 g/mL at 25 °C (lit.)

SMILES string

FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)CC[Si](Cl)(Cl)Cl

InChI

1S/C8H4Cl3F13Si/c9-25(10,11)2-1-3(12,13)4(14,15)5(16,17)6(18,19)7(20,21)8(22,23)24/h1-2H2

InChI key

PISDRBMXQBSCIP-UHFFFAOYSA-N

General description

Trichloro(1H,1H,2H,2H-perfluorooctyl)silane (PFOCTS) is a high-performance fluorinated silane optimized for the deposition of ultra-low surface energy Self-Assembled Monolayers (SAMs). This 97% assay grade ensures maximum fluorinated chain density, providing exceptionally durable superhydrophobic and oleophobic properties. This reagent is the gold standard for creating "non-stick" surfaces in high-precision microfluidics and sensitive electronic interfaces, where it serves as a critical moisture barrier and anti-stiction layer.

Application

As a versatile molecular bridge, PFOCTS is essential for engineering intelligent interfaces and stimuli-responsive systems that enable precise interactions at the intersection of nanotechnology, biology, and electronics.

Precision Microfluidics: Essential release agent for soft lithography (PDMS molding), ensuring high-fidelity channel replication and preventing polymer adhesion.

Bio-Antifouling: Creates inert interfaces that minimize non-specific protein adsorption and unwanted cellular adhesion in diagnostic devices.

Nanoelectronics (OFETs): Improves gate dielectric performance by reducing surface energy and leakage current, enhancing the air-stability of organic semiconductors.

MEMS/NEMS Lubrication: Functions as a molecular lubricant to reduce stiction and friction in nanoscale electromechanical systems, extending device lifespan.

Superhydrophobic Nanostructures: Functionalizes nanotube arrays to create biomimetic "slippery" surfaces for controlled droplet transport and self-cleaning medical tools.


pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Skin Corr. 1B

supp_hazards

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

188.6 °F - closed cup

flash_point_c

87 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter



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