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667420

Sigma-Aldrich

1H,1H,2H,2H-Perfluorooctyltriethoxysilane

98%

Synonyme(s) :

Triethoxy(1H,1H,2H,2H-perfluoro-1-octyl)silane, Triethoxy(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluoro-1-octyl)silane

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About This Item

Formule empirique (notation de Hill):
C14H19F13O3Si
Numéro CAS:
51851-37-7
Poids moléculaire :
510.36
Numéro CE :
257-473-3
Numéro MDL:
MFCD00042333
Code UNSPSC :
12352103
ID de substance PubChem :
24884915
Nomenclature NACRES :
NA.23

Pureté

98%

Indice de réfraction

n20/D 1.344

Densité

1.3299 g/mL at 25 °C

Chaîne SMILES 

CCO[Si](CCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F)(OCC)OCC

InChI

1S/C14H19F13O3Si/c1-4-28-31(29-5-2,30-6-3)8-7-9(15,16)10(17,18)11(19,20)12(21,22)13(23,24)14(25,26)27/h4-8H2,1-3H3

Clé InChI

AVYKQOAMZCAHRG-UHFFFAOYSA-N

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Catégories apparentées

Description générale

1H,1H,2H,2H-Perfluorooctyltriethoxysilane(FOTS) is a fluorinated alkyl silane that is majorly used for improving the wettability of the substrate by lowering the surface energy. It facilitates a superhydrophobic coating by enriching the surface with CF3 group and a water contact angle above 150°.
Triethoxy(1H,1H,2H,2H-perfluoro-1-octyl)silane (POTS) is a fluorine based polymer. POTS possesses low surface free energy leading to its anti-adhesive behavior to polar and non-polar substances. It shows very good weathering stability on account of the carbon- fluorine bond. POTS hydrolyzes in wet environment to form silane based film and self healing anticorrosive polymers, the film formed from the hydrolysis and polycondensation of POTS and water is hydrophobic in nature. This wetting property acts in repelling aqueous electrolyte solution away from metallic substrates and hence providing corrosion protection to metal substrate.

Application

POTS can be used as a silane based coating on poly(vinylidene fluoride) (PVDF) to synthesize a membrane for the removal of hazardous volatile organic compounds. Glass substrates can be modified with POTS to increase the contact angle for 3D reactive inkjet printing of polydimethylsiloxane (PDMS). It can also be used in the synthesis of superhydrophobic carbon nanotubes(CNT) hollow membranes for membrane desalination (MD) as eco-friendly products of fresh water. It is deposited on the roughened surface of titanium to render it superhydrophobic. POTS may be used as a component of fluorine modified ORMOCER (Organically Modified Ceramics) coating materials.

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H315,H319,H335,H413

Classification des risques

Aquatic Chronic 4 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organes cibles

Respiratory system

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 1

Équipement de protection individuelle

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Certificats d'analyse (COA)

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Xiang Li et al.
ACS applied materials & interfaces, 10(14), 12042-12050 (2018-03-21)
Electrically conductive fabrics with liquid repellency and corrosive resistance are strongly desirable for wearable displays, biomedical sensors, and so forth. In the present work, highly electrically conductive and healable superamphiphobic cotton fabrics are fabricated by a solution-dipping method that involves
Zhongshun Wang et al.
Nanoscale, 9(43), 16749-16754 (2017-10-27)
The performance of surface-enhanced Raman scattering (SERS) for detecting trace amounts of analytes depends highly on the enrichment of the diluted analytes into a small region that can be detected. A super-hydrophobic delivery (SHD) process is an excellent process to
Fabricating superhydrophobic and oleophobic surface with silica nanoparticles modified by silanes and environment-friendly fluorinated chemicals.
Cai Y, et al.
Applied Surface Science, 450, 102-111 (2018)
Zhongshun Wang et al.
Nanoscale, 11(14), 6677-6684 (2019-03-23)
Circulating tumor cells (CTCs) are important markers for cancer diagnosis and treatment, but it is still a challenge to recognize and isolate CTCs because they are very rare in the blood. To selectively recognize CTCs and improve the capture efficiency
Enhancing membrane performance in removal of hazardous VOCs from water by modified fluorinated PVDF porous material.
Al-Gharabli S, et al.
Journal of Membrane Science , 556, 214-226 (2018)
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