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1H,1H,2H,2H-Perfluorooctyltrichlorosilane

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1H,1H,2H,2H-Perfluorooctyltrichlorosilane Basic information

Product Name:
1H,1H,2H,2H-Perfluorooctyltrichlorosilane
Synonyms:
  • Silane, trichloro(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)-
  • (TRIDECAFLUORO-1,1,2,2-TETRAHYDROOCTYL)TRICHLOROSILANE
  • (TRIDECAFLUORO-1,1,2,2-TETRAHYDROOCTYL)-1-TRICHLOROSILANE
  • TRICHLORO(1H,1H,2H,2H-PERCHLOROOCTYL)SILANE
  • TRICHLORO(1H,1H,2H,2H-PERFLUOROOCTYL)SILANE
  • 1H,1H,2H,2H-PERFLUOROOCTYLTRICHLOROSILANE
  • Perfluorooctyltrichlorosilane
  • Trichloro(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)silane
CAS:
78560-45-9
MF:
C8H4Cl3F13Si
MW:
481.54
EINECS:
278-947-6
Mol File:
78560-45-9.mol
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1H,1H,2H,2H-Perfluorooctyltrichlorosilane Chemical Properties

Melting point:
-32°C
Boiling point:
192 °C(lit.)
Density 
1.3 g/mL at 25 °C(lit.)
vapor pressure 
0.007-30Pa at 25℃
refractive index 
n20/D 1.352(lit.)
Flash point:
189 °F
solubility 
Miscible with tetrahydrofuran, tetrhydropyran, toluene and other organic solvents.
form 
clear liquid
Specific Gravity
1.3
color 
Colorless to Almost colorless
Water Solubility 
580μg/L at 20℃
Sensitive 
Moisture Sensitive
Hydrolytic Sensitivity
8: reacts rapidly with moisture, water, protic solvents
BRN 
6154526
Stability:
Stable. Highly flammable. Incompatible with strong oxidizing agents, water, alcohols, bases.
InChIKey
PISDRBMXQBSCIP-UHFFFAOYSA-N
LogP
2.7 at 20℃
CAS DataBase Reference
78560-45-9(CAS DataBase Reference)
EPA Substance Registry System
Trichloro((perfluorohexyl)ethyl)silane (78560-45-9)
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Safety Information

Hazard Codes 
C
Risk Statements 
14-34
Safety Statements 
26-27-36/37/39-45
RIDADR 
UN 2987 8/PG 2
WGK Germany 
3
10-21
Hazard Note 
Corrosive/Moisture Sensitive
TSCA 
No
HazardClass 
8
PackingGroup 
II
HS Code 
29319090

MSDS

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1H,1H,2H,2H-Perfluorooctyltrichlorosilane Usage And Synthesis

Chemical Properties

colourless liquid

Uses

1H,1H,2H,2H-Perfluorooctyltrichlorosilane is used in the silanization of silicon wafer. Self assembled monolayers treated with this, acts as an anti adhesive layer and release of cured poly(dimethyl siloxanes). It is also used to fabricate chemical surface patterns of self assembled monolayers.

General Description

Trichloro(1H,1H,2H,2H-perfluorooctyl)silane (PFOCTS) is a chlorosilane that forms a self-assembled monolayer (SAM) on a variety of substrates. It is majorly used to modify the surface with superhydrophobic properties. It is a biocompatible polymer with low surface energy. PFOCTS exhibits anti-fouling properties with high wettability which facilitates the release of different composites from the mold.

Flammability and Explosibility

Not classified

Synthesis

3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctene, starting materials, are charged under an N2 atmosphere to a three-necked glass flask, and CPC 072 (Pt(0)-divinyltetramethyidisiloxane in xylene) is added. Trichlorosilane is added dropwise at room temperature and with stirring over 85 minutes. The immediately ensuing reaction is exothermic, the temperature rising to 115° C. After the purification, 1H,1H,2H,2H-Perfluorooctyltrichlorosilane are obtained (yield: 99%).

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