Catalog Number
ACM9002840-4
Product Name
Polytetrafluoroethylene preparation, 60 wt % dispersion in H2O
Description
Tetrafluoroethylene, stabilized appears as a colorless odorless gas. Easily ignited. Vapors are heavier than air. May asphyxiate by the displacement of air. May violently polymerize under prolonged exposure to fire or heat, violently rupturing the container. Under prolonged exposure to fire or heat the containers may rupture violently and rocket. Water insoluble.;GasVapor;COLOURLESS ODOURLESS GAS.;Colorless, odorless gas.
IUPAC Name
1,1,2,2-tetrafluoroethene
Molecular Weight
100.01g/mol
Molecular Formula
C2F4;C2F4;C2F4
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
-224.5 °F (NTP, 1992);-142.5 °C;-89.0 °C;Melts to an extremely viscous gel at 327 °C;-131.15 °C;-131.2 °C;-224.5°F
Flash Point
<32 °F (<0 °C) (closed cup) /Tetrafluoroethylene, inhibited/
Density
1.519 at -105 °F (NTP, 1992);2.2 g/cu cm;1.519 g/cu cm at -76 °C;Density (at -76 °C): 1.5 g/cm³;1.519 at -105°F
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)
Application
The Polytetrafluoroethylene preparation, with a 60 wt % dispersion in H2O, serves as an advanced solution for enhancing product formulations through its unique chemical properties. Utilizing the remarkable characteristics of PTFE, which comprise polytetrafluoroethylene chains with strong carbon-fluorine bonds, this dispersion improves the spreadability and tactile feel of various applications, including cosmetics. Its low coefficient of friction and high resistance to heat and chemical attack make it ideal for demanding environments, ensuring stability and performance in coatings and dielectric applications. Additionally, the dispersion aids in creating non-adhesive surfaces, making it suitable for coatings where materials typically adhere, such as rolls and cookware. The versatility of this preparation allows for integration with fillers and adaptation in high-performance settings, making it a crucial component for industrial and consumer products requiring exceptional thermal and mechanical properties.
Color/Form
White translucent to opaque solid;Soft, waxy, milk-white solid;White solid;Colorless gas
Covalently-Bonded Unit Count
1
EC Number
204-126-9;618-337-2
Log P
log Kow = 1.21 (est);1.21 (estimated)
MeSH Entry Terms
tetrafluoroethene;tetrafluoroethylene;tetrafluoroethylene, ion(1+);tetrafluoroethylene, ion(1-)
Monoisotopic Mass
99.993613g/mol
Other Experimental
Not wetted by water; subject to cold flow at high pressure;Useful temp range cryogenic to +260 °C; Reverts to gaseous monomer at temperatures above 400 °C; Shore hardness 55-56; Tensile strength 3500-4500 psi; Flexural modulus about 80,000-90,000 psi at room temperature; Brittle point below -80 °C; Dielectric constant: 2.0-2.05 at 60 to 3X10+9 cycles;Waxy, slippery feel;A highly stable theromplastic tetrafluoroethylene homopolymer. Composed of at least 20,000 CF2 monomer units linked into very long unbranched chains. Not affected by water, aqua regia, chlorosulfonic acid, acetyl chloride, boron fluoride, hot nitric acid, boiling solutions of sodium hydroxide and organic solvents.;Low coefficient of friction; upon heating, weight loss varies from 0.001%/hr at 290 °C to 4%/hr at 450 °C;Only alkali metals and fluorine under pressure attack Teflon below 300 °C;Spun in molten state; density of threads about 2.3; breaking stress can reach 40 kg/sq mm with approx 30% elongation;Does not carbonize in air at 700 °C; at 400 °C = 0.0002% weight loss/hr, at 500 °C = 0.0002% weight loss/hr; at 600 °C = 0.0002% weight loss/hr; at 680 °C = 0.001% weight loss/hr; at 734 °C = 0.006% weight loss/hr; at 788 °C = 0.09% weight loss/hr;Melts to an extremely viscous gel at 327 °C and reverts to the gaseous monomer at temperatures above 400 °C;ODORLESS OR FAINT ODOR; CRITICAL TEMP: 92 °F= 33 °C= 306 DEG K; HEAT OF POLYMERIZATION: -450 BTU/LB= 250 CAL/G= -10.5X10+5 JOULES/KG; CRITICAL PRESSURE: 573 PSIA= 38.9 ATM= 3.95 MN/SQ M; HEAT OF COMBUSTION: -4,000 BTU/LB= -2,000 CAL/G= -90X10+5 JOULES/KG /INHIBITED/;Much heavier than air;Critical density = 0.58 g/cu cm; Heat of evaporation = 16,821 J/mol at -75.6 °C;Henry's Law constant = 0.629 atm-cu m/mol at 25 °C (est);Hydroxyl radical reaction rate constant = 1.13X10-11 cu cm/molec-sec at 298 K;Ozone reaction rate constant = 4.80X10-21 cu cm/molec-sec at 298 K;Nitrate radical reaction rate constant = <3X10-15 cu cm/molec-sec at 298 K
Stability
Stable under recommended storage conditions.;The finished polymerized compound is inert under ordinary conditions.
UN Number
1081;1081;1081;1081
Vapor Density
3.87 (NTP, 1992) (Relative to Air);3.87 (Air = 1);Relative vapor density (air = 1): 3.9;3.87
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
