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HomeProduct name list1H,1H,2H,2H-Perfluorooctyltrimethoxysilane

1H,1H,2H,2H-Perfluorooctyltrimethoxysilane

  • CAS NO.:85857-16-5
  • Empirical Formula: C11H13F13O3Si
  • Molecular Weight: 468.28
  • MDL number: MFCD00153261
  • EINECS: 288-657-1
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-12-25 13:23:17
1H,1H,2H,2H-Perfluorooctyltrimethoxysilane Structural

What is 1H,1H,2H,2H-Perfluorooctyltrimethoxysilane?

Chemical properties

liquid

The Uses of 1H,1H,2H,2H-Perfluorooctyltrimethoxysilane

1H,1H,2H,2H-Perfluorooctyltrimethoxysilane, a functional material widely used to make material surface water-repellent[1]. Fluorosilane 1H,1H,2H,2H-perfluorooctyltrimethoxysilane could be coated onto the surface of BaTiO3 nanofibers by chemical reaction, which enhances their dispersion in poly(vinylidene fluoride) matrix[2].

Flammability and Explosibility

Non flammable

Synthesis

1H,1H,2H,2H-Perfluorooctyltrimethoxysilane (PFOT) could be synthesized by a two-step method: after the hydrosilylation of trichlorosilane and 1H,1H,2H-perfluoro-1-octene (HPFO), the resulting product was then subjected to the alcoholic reaction with sodium methoxide to get the PFOT[1]. 

References

[1] Xianhong Zhang . "High dielectric constant and low dielectric loss hybrid nanocomposites fabricated with ferroelectric polymer matrix and BaTiO3 nanofibers modified with perfluoroalkylsilane." Applied Surface Science 305 (2014): Pages 531-538.
[2] Feihong Ye. "Effect of reaction conditions on one-step preparation of 1H,1H,2H,2H-Perfluorooctyltrimethoxysilane by catalytic hydrosilylation over RuCl3·3H2O catalysts." Journal of Industrial and Engineering Chemistry 110 (2022): Pages 405-413.

Properties of 1H,1H,2H,2H-Perfluorooctyltrimethoxysilane

Melting point: <0°C
Boiling point: 88 °C
Density  1.457
vapor pressure  13Pa at 25℃
refractive index  1.335
Flash point: >65°C
storage temp.  under inert gas (nitrogen or Argon) at 2-8°C
form  clear liquid
color  Colorless to Almost colorless
Specific Gravity 1.457
Water Solubility  240ng/L at 20℃
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
CAS DataBase Reference 85857-16-5(CAS DataBase Reference)
EPA Substance Registry System Trimethoxy((perfluorohexyl)ethyl)silane (85857-16-5)

Safety information for 1H,1H,2H,2H-Perfluorooctyltrimethoxysilane

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H227:Flammable liquids
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313:IF SKIN irritation occurs: Get medical advice/attention.
P337+P313:IF eye irritation persists: Get medical advice/attention.
P370+P378:In case of fire: Use … for extinction.
P403+P235:Store in a well-ventilated place. Keep cool.

Computed Descriptors for 1H,1H,2H,2H-Perfluorooctyltrimethoxysilane

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