poly(tetrafluoroethylene)

Product Information

Molecular Formula:
(C2F4)n
Molecular Weight:
100.015612
Description
PTFE is generally referred to as "non-stick coating"/"easy-cleaning material"; it is a synthetic polymer material that uses fluorine to replace all hydrogen atoms in polyethylene. This material has the characteristics of acid and alkali resistance, resistance to various organic solvents, and is almost insoluble in all solvents.
Synonyms
TETRAFLUOROETHYLENE OLIGOMER; TETRAFLUOROETHYLENE RESIN; TEFLON; TEFLON 7A; TEFLON(TM) 30B; TEFLON(TM) 6; TEFLON(TM) 7A; POLYTETRAFLUOROETHYLENE
IUPAC Name
1,1,2,2-tetrafluoroethene
Canonical SMILES
C(=C(F)F)(F)F
InChI
InChI=1S/C2F4/c3-1(4)2(5)6
InChI Key
BFKJFAAPBSQJPD-UHFFFAOYSA-N
Boiling Point
-105.3 °F at 760 mm Hg (NTP, 1992);-75.9 °C;-19.9 °C;-75.9 °C;-75.9 °C;-105.3°F
Melting Point
327°C
Flash Point
> 93.3°C (> 200°F)
Density
2
Solubility
Insoluble (NTP, 1992);0.00 M;No substance has been found which will dissolve the polymer at moderate temperatures;In water, 1.59X10+2 mg/L at 25 °C;Solubility in water, mg/l at 25 °C: 159 (very slightly soluble)
Appearance
Colourless gas
Application
PTFE is widely used in various occasions where resistance to acid, alkali and organic solvents is required, and is used to make non-stick pans and dry-type transformers. Teflon has a soft texture, so it is often used for coatings. When it was first developed, its main application area was the inner wall coating of high-temperature launch rockets. PTFE is also the main component of the green tape.
Storage
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Refractive Index
1.35
Stability
Stable - unreactive with most materials. Incompatible with molten alkali metals, fluorine and other halogens, strong oxidizing agents.
LogP
log Kow = 1.21 (est);1.21 (estimated)
Vapor Pressure
22800 mm Hg at 70 °F (NTP, 1992);2.45e+04 mmHg;2.45X10+4 mm Hg at 25 °C /extrapolated/;Vapor pressure, kPa at 20 °C: 2947;22800 mmHg at 70°F
Henry's Law Constant
0.629 atm-cu m/mol at 25 °C (est)
Odor
Odorless

Safety Information

Handling
Eyeshields, Gloves, type N95 (US)
Melting PointDensityDescription
321 °C 2.15 g/mL at 25 °C Powder (free-flowing), 1 μm particle size
2 g/mL at 25 °C Powder, >40 μm particle size
321 °C 2.1 g/mL at 25 °C Powder, 35 μm particle size
321 °C 2.15 g/mL at 25 °C Powder (free-flowing), ≤12 μm particle size
Beads
340-345 °C Powder, 200 μm particle size
330-334 °C Powder, ≥350 μm particle size

Computed Properties

XLogP3
1.3
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
4
Rotatable Bond Count
0
Exact Mass
99.99361265 g/mol
Monoisotopic Mass
99.99361265 g/mol
Topological Polar Surface Area
0Ų
Heavy Atom Count
6
Formal Charge
0
Complexity
55.6
Isotope Atom Count
0
Defined Atom Stereocenter Count
0
Undefined Atom Stereocenter Count
0
Defined Bond Stereocenter Count
0
Undefined Bond Stereocenter Count
0
Covalently-Bonded Unit Count
1
Compound Is Canonicalized
Yes

Patents

Publication Number Title Priority Date
US-2015259281-A1 Process for the synthesis of tetrafluoroethanesulfonic acid 2012-07-30
US-9376379-B2 Process for the synthesis of tetrafluoroethanesulfonic acid 2012-07-30
US-2015021261-A1 Porous polymer membrane 2011-12-28
US-2013149540-A1 Electrophotographic member, intermediate transfer member, image forming apparatus, and method for manufacturing electrophotographic member 2011-12-12
US-2012313043-A1 Compound, liquid crystal composition and liquid crystal display device 2011-06-13
US-8592008-B2 Compound, liquid crystal composition and liquid crystal display device 2011-06-13
US-2011309300-A1 Compound having a five-membered ring, the liquid crystal composition and the liquid crystal display device 2010-06-18
US-2011240918-A1 Optically active compound having polymerizable group and its polymer 2010-04-02
US-2011195340-A1 Composition, polymer thereof, electrode and electrolyte membrane for fuel cell, and fuel cell including the same 2010-02-05
US-2011147657-A1 Polymerizable liquid crystal compound, polymerizable liquid crystal composition and anisotropic polymer 2009-12-22

Literatures

PMID Publication Date Title Journal
22378610 2012-04-10 Facile carbon-fluorine bond activation and subsequent functionalisation of 1,1-difluoroethylene and tetrafluoroethylene promoted by adjacent metal centres Chemistry (Weinheim an der Bergstrasse, Germany)
22322341 2012-03-01 Exposure assessment of tetrafluoroethylene and ammonium perfluorooctanoate 1951-2002 Journal of environmental monitoring : JEM
22232223 2012-01-01 Influence of inhalation anesthetics on ion transport across a planar bilayer lipid membrane Analytical sciences : the international journal of the Japan Society for Analytical Chemistry
22368468 2012-01-01 Rapid classification of hairtail fish and pork freshness using an electronic nose based on the PCA method Sensors (Basel, Switzerland)
22481972 2012-01-01 Relationship between concentration difference of different density lipoproteins and shear stress in atherosclerosis Computational and mathematical methods in medicine
21793199 2011-10-01 Perfluoroalkyl and polyfluoroalkyl substances in the environment: terminology, classification, and origins Integrated environmental assessment and management
21732447 2011-08-08 Synthetic utilization of 2-chloro-1,1,1,2-tetrafluoroethane Chemistry (Weinheim an der Bergstrasse, Germany)
21810558 2011-06-21 Comparative examination of subcutaneous tissue reaction to high molecular materials in medical use European journal of medical research
20306345 2011-06-01 Cysteine S-conjugate β-lyases: important roles in the metabolism of naturally occurring sulfur and selenium-containing compounds, xenobiotics and anticancer agents Amino acids
21674312 2011-06-01 Infective endocarditis in a child caused by Cardiobacterium hominis after right ventricular outflow tract reconstruction using an expanded tetrafluoroethylene conduit General thoracic and cardiovascular surgery
The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

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