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Silanes and silicones

Triethoxyfluorosilane

Also known as Silane, triethoxyfluoro-, TEFS cpd, Fluorotriethoxysilane

CAS 358-60-1Formula C6H15FO3SiMolar mass 182.27 g/molEC 671-367-8
GHS signal word: Danger. Pictograms: Flammable, Corrosive
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Triethoxyfluorosilane chemical structure, C6H15FO3Si, CAS 358-60-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
358-60-1
Formula
C6H15FO3Si
Molar mass
182.27 g/mol
Physical form
Liquid
HS code
292090
Category
Silanes and silicones
Illustrative photo, closed blue jerry cans in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Triethoxyfluorosilane?

Plain description, key identifiers and synonyms

Triethoxyfluorosilane is a chemical substance with the molecular formula C6H15FO3Si and a molar mass of 182.27 g/mol. Its CAS registry number is 358-60-1. The IUPAC name is triethoxy(fluoro)silane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
triethoxy(fluoro)silane
CAS number
358-60-1 CAS number cross-checked
EC number
671-367-8
Molecular formula
C6H15FO3Si
MDL number
MFCD00236719
InChIKey
XVYIJOWQJOQFBG-UHFFFAOYSA-N
InChI
InChI=1S/C6H15FO3Si/c1-4-8-11(7,9-5-2)10-6-3/h4-6H2,1-3H3
SMILES (canonical and isomeric)
CCO[Si](OCC)(OCC)F

Synonyms

  • Silane, triethoxyfluoro-
  • TEFS cpd
  • Fluorotriethoxysilane
  • triethoxy(fluoro)silane
  • C6H15FO3Si
  • Triethoxyfluorosilicon
  • Silicon fluoride triethoxide
  • Fluoro(triethoxy)silane

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Liquidexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
182.27 g/molcalc.
Exact mass
182.0774 Dacalc.
LogP (octanol/water)
1.5calc.
Topological polar surface area
27.69 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
6calc.
Heavy atoms
11calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS05: Corrosive
Corrosive

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H226Flammable liquid and vapour.
  • H290May be corrosive to metals.
  • H314Causes severe skin burns and eye damage.
  • H318Causes serious eye damage.
Precautionary statements (26)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P234Keep only in original packaging.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P363Wash contaminated clothing before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P390Absorb spillage to prevent material damage.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.
  • P406Store in a corrosion resistant container with a resistant inner liner.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Triethoxyfluorosilane suppliers

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Triethoxyfluorosilane price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Triethoxyfluorosilane is traded under.

HS 2920.90Indicative HS code

Esters, other than thiophosphoric esters (phosphorothioates) and phosphite esters and their salts…

World exports in 2024
$1.05B
+8.0% vs 2023, imports $1.23B
2019 to 2024
Top exporters
  1. China33.4%
  2. Germany18.8%
  3. United States12.4%
Top importers
  1. United States19.2%
  2. Singapore8.9%
  3. South Korea6.9%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Triethoxyfluorosilane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Triethoxyfluorosilane, based on the data on this page

What is Triethoxyfluorosilane?

Triethoxyfluorosilane is a chemical substance with the molecular formula C6H15FO3Si and a molar mass of 182.27 g/mol. Its CAS registry number is 358-60-1. The IUPAC name is triethoxy(fluoro)silane.

What is the CAS number of Triethoxyfluorosilane?

The CAS registry number of Triethoxyfluorosilane is 358-60-1.

What is the molecular formula and weight of Triethoxyfluorosilane?

The molecular formula of Triethoxyfluorosilane is C6H15FO3Si and its molar mass is 182.27 g/mol.

Is Triethoxyfluorosilane hazardous?

Triethoxyfluorosilane carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, flammable liquid and vapour, may be corrosive to metals. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Triethoxyfluorosilane?

Triethoxyfluorosilane is usually classified under HS code 292090 (Esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Triethoxyfluorosilane?

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What is the price of Triethoxyfluorosilane?

Suppliers quote Triethoxyfluorosilane on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Triethoxyfluorosilane

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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