Tetrafluoroethene

The fluorinated alkene monomer used to make PTFE.

Formula
C2F4
Functional group
Fluorinated alkene
Molar mass
100.01 g/mol
Also known as
tetrafluoroethylene, TFE

Overview

Tetrafluoroethylene / TFE

The fluorinated alkene monomer used to make PTFE.

Its C=C double bond opens during addition polymerisation. The fluorine atoms stay attached to the chain, giving the –CF₂–CF₂– repeat unit. Industrial monomer production and handling require specialist controls.

Identifiers

Formula
C2F4
Functional group
Fluorinated alkene
Molar mass
100.01 g/mol
Also known as
tetrafluoroethylene, TFE
Chemical identifiers
SMILES
FC(F)=C(F)F
InChI
InChI=1S/C2F4/c3-1(4)2(5)6
PubChem CID
8301

Properties

Melting Point
-131.15 °C
Boiling Point
-75.9 °C
Density
1.519 g/cu cm at -76 °C
Water solubility
In water, 1.59X10+2 mg/L at 25 °C

Related compounds

References

  1. PTFE dispersions: product stewardship summaryDaikin
  2. PubChem: TetrafluoroetheneNational Center for Biotechnology Information

    Identity retrieved 2026-09-08; matched against the record's isomeric structure. Unspecified stereochemistry remains unspecified.

  3. Hazardous Substances Data Bank (HSDB): Tetrafluoroethene — melting pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/8301#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Lide, D.R. CRC Handbook of Chemistry and Physics 88TH Edition 2007-2008. CRC Press, Taylor & Francis, Boca Raton, FL 2007, p. 3-474

  4. Hazardous Substances Data Bank (HSDB): Tetrafluoroethene — boiling pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/8301#section=Boiling-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Lide, D.R. CRC Handbook of Chemistry and Physics 88TH Edition 2007-2008. CRC Press, Taylor & Francis, Boca Raton, FL 2007, p. 3-474

  5. Hazardous Substances Data Bank (HSDB): Tetrafluoroethene — densityHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/8301#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Lide, D.R. CRC Handbook of Chemistry and Physics 88TH Edition 2007-2008. CRC Press, Taylor & Francis, Boca Raton, FL 2007, p. 3-474

  6. Hazardous Substances Data Bank (HSDB): Tetrafluoroethene — solubilityHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/8301#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Horvath AL; Halogenated hydrocarbons: solubility-miscibility with water. New York, NY: Marcel Dekker, Inc pp. 889 (1982)