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51851-37-7 Usage


1H,1H,2H,2H-Perfluorooctyltriethoxysilane (POTS) is a fluorine-based polymer that possesses low surface free energy, which leads to its anti-adhesive behavior towards both polar and non-polar substances. It is known for its excellent weathering stability due to the carbon-fluorine bond. POTS hydrolyzes in a wet environment to form a silane-based film and self-healing anticorrosive polymers. The film formed from the hydrolysis and polycondensation of POTS and water is hydrophobic in nature, which helps in repelling aqueous electrolyte solutions away from metallic substrates, providing corrosion protection.


1. Used in Insulation Industry:
1H,1H,2H,2H-Perfluorooctyltriethoxysilane is used as a coating to improve the insulation of glass wool and mineral wool, enhancing their performance and durability.
2. Used in Metal Protection Industry:
1H,1H,2H,2H-Perfluorooctyltriethoxysilane is used for the anti-icing and anti-corrosion properties of metals, providing a protective layer that prevents corrosion and ice formation.
3. Used in Fluorine Modified ORMOCER Coating Materials:
1H,1H,2H,2H-Perfluorooctyltriethoxysilane is used as an active component in fluorine-modified organically modified ceramics (ORMOCER) coating materials, improving the wettability of the substrate by lowering the surface energy and facilitating a superhydrophobic coating.
4. Used in Membrane Synthesis for Volatile Organic Compounds Removal:
1H,1H,2H,2H-Perfluorooctyltriethoxysilane 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, contributing to environmental safety.
5. Used in Surface Modification of Glass Substrates:
1H,1H,2H,2H-Perfluorooctyltriethoxysilane is used to modify glass substrates, increasing the contact angle for 3D reactive inkjet printing of polydimethylsiloxane (PDMS), which can be beneficial in various industrial applications.
6. Used in Synthesis of Superhydrophobic Carbon Nanotubes Hollow Membranes:
1H,1H,2H,2H-Perfluorooctyltriethoxysilane is utilized in the synthesis of superhydrophobic carbon nanotubes (CNT) hollow membranes for membrane desalination (MD), providing an eco-friendly solution for fresh water production.
7. Used in Surface Modification of Titanium:
1H,1H,2H,2H-Perfluorooctyltriethoxysilane is deposited on the roughened surface of titanium to render it superhydrophobic, enhancing its properties for various applications.
8. Used in Surface Modification of Glass Nanoparticles:
1H,1H,2H,2H-Perfluorooctyltriethoxysilane is utilized in the surface modification of glass nanoparticles, improving their properties and potential applications.
9. Used in Preparation of Water-Proof, Oil-Proof, and Anti-Fouling Treatment Agents:
1H,1H,2H,2H-Perfluorooctyltriethoxysilane is used to prepare water-proof, oil-proof, and anti-fouling treatment agents, which can be applied for the protection of various materials such as cultural relics, masonry, metal, and wood.

Flammability and Explosibility


Check Digit Verification of cas no

The CAS Registry Mumber 51851-37-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,8,5 and 1 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 51851-37:
117 % 10 = 7
So 51851-37-7 is a valid CAS Registry Number.

51851-37-7 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
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  • Price
  • Detail
  • TCI America

  • (T1770)  Triethoxy-1H,1H,2H,2H-tridecafluoro-n-octylsilane  >97.0%(GC)

  • 51851-37-7

  • 5g

  • 855.00CNY

  • Detail
  • TCI America

  • (T1770)  Triethoxy-1H,1H,2H,2H-tridecafluoro-n-octylsilane  >97.0%(GC)

  • 51851-37-7

  • 25g

  • 2,790.00CNY

  • Detail
  • Alfa Aesar

  • (B24620)  1H,1H,2H,2H-Perfluorooctyltriethoxysilane, 97%   

  • 51851-37-7

  • 5g

  • 909.0CNY

  • Detail
  • Alfa Aesar

  • (B24620)  1H,1H,2H,2H-Perfluorooctyltriethoxysilane, 97%   

  • 51851-37-7

  • 25g

  • 2885.0CNY

  • Detail
  • Aldrich

  • (667420)  1H,1H,2H,2H-Perfluorooctyltriethoxysilane  98%

  • 51851-37-7

  • 667420-5G

  • 1,491.75CNY

  • Detail
  • Aldrich

  • (667420)  1H,1H,2H,2H-Perfluorooctyltriethoxysilane  98%

  • 51851-37-7

  • 667420-25G

  • 5,100.03CNY

  • Detail



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017


1.1 GHS Product identifier


1.2 Other means of identification

Product number -
Other names F-8261

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:51851-37-7 SDS

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