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Created to support the Datapage Cleanup process (started 31 December 2021). See also:


Data tables

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Structure and properties

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from: Ethanol (data page)
Structure and properties
Index of refraction, n25 1.361
Dielectric constant, εr 24.3 ε0 at 20 °C
Bond strength ?
Bond length ?
Bond angle ?
Magnetic susceptibility[1] 5.8·10−7 (cgs units, volume)
Surface tension 22.39 dyn/cm at 25 °C
Thermal conductivity[2] 0.1660 W m−1 K−1 (saturated liquid at 300 K)
Viscosity[3]
6.285 mPa·s at −50 °C
4.656 mPa·s at −40 °C
3.530 mPa·s at −30 °C
2.731 mPa·s at −20 °C
2.419 mPa·s at −15 °C
2.151 mPa·s at −10 °C
1.920 mPa·s at −5 °C
0.487 mPa·s at 70 °C
0.452 mPa·s at 75 °C
from: Phosphorus trichloride (data page)
Structure and properties
Index of refraction, nD ?
Abbe number ?
Dielectric constant, εr ? ε0 at ? °C
Bond strength ?
Bond length ?
Bond angle ?
Magnetic susceptibility ?

Thermodynamic properties

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from: Ethanol (data page)
Phase behavior
Triple point 150 K (−123 °C), 0.00043 Pa
Critical point 514 K (241 °C), 63 bar
Std enthalpy change
of fusion, ΔfusHo 		+4.9 kJ/mol
Std entropy change
of fusion, ΔfusSo 		+31 J/(mol·K)
Std enthalpy change
of vaporization, ΔvapHo 		+42.3 ± 0.4 kJ/mol[4]
Std entropy change
of vaporization, ΔvapSo 		109.67 J/(mol·K)
Molal freezing point constant −1.99 °C kg/mol
Solid properties
Std enthalpy change
of formation, ΔfHosolid 		−277.7 kJ/mol
Standard molar entropy,
Sosolid 		160.7 J/(mol K)[5]
Heat capacity, cp 111.46 J/(mol K)[5]
Liquid properties
Std enthalpy change
of formation, ΔfHoliquid 		−277.38 kJ/mol
Standard molar entropy,
Soliquid 		159.9 J/(mol K)
Enthalpy of combustion, ΔcHo −1370.7 kJ/mol
Heat capacity, cp 112.4 J/(mol K)
Gas properties
Std enthalpy change
of formation, ΔfHogas 		−235.3 kJ/mol
Standard molar entropy,
Sogas 		283 J/(mol K)
Heat capacity,[6][7] cp 78.28 J/(mol K) at 90 °C
87.53 J/(mol K) at 110-220 °C
Heat capacity ratio,[6][7]
γ = cp/cv 		1.13 at 90 °C
van der Waals' constants[8] a = 1217.9 L2 kPa/mol2
b = 0.08407 L/mol
from: Phosphorus trichloride (data page)
Phase behavior
Triple point ? K (? °C), ? Pa
Critical point ? K (? °C), ? Pa
Std enthalpy change
of fusion, ΔfusHo 		? kJ/mol
Std entropy change
of fusion, ΔfusSo 		? J/(mol·K)
Std enthalpy change
of vaporization, ΔvapHo 		? kJ/mol
Std entropy change
of vaporization, ΔvapSo 		? J/(mol·K)
Solid properties
Std enthalpy change
of formation, ΔfHosolid 		-320 kJ/mol
Standard molar entropy,
Sosolid 		? J/(mol K)
Heat capacity, cp ? J/(mol K)
Liquid properties
Std enthalpy change
of formation, ΔfHoliquid 		? kJ/mol
Standard molar entropy,
Soliquid 		? J/(mol K)
Heat capacity, cp ? J/(mol K)
Gas properties
Std enthalpy change
of formation, ΔfHogas 		? kJ/mol
Standard molar entropy,
Sogas 		? J/(mol K)
Heat capacity, cp ? J/(mol K)
IB Chembox
{{Chembox Thermochemistry}} parameters:
| Section4 = {{Chembox Thermochemistry
| Thermochemistry_ref =
| HeatCapacity = 
| Entropy = 
| DeltaHform = 
| DeltaGfree = 
| DeltaHcombust =
| DeltaHfus =
| DeltaHvap =
| DeltaHsublim =
| HHV =
| LHV =
 }}

Spectral data

[edit]
from: Ethanol (data page)
UV-Vis
λmax ? nm
Extinction coefficient, ε ?
IR
Major absorption bands[9]
(liquid film)
Wave number transmittance
880 cm−1 22%
1048 cm−1 6%
1089 cm−1 19%
1275 cm−1 52%
1329 cm−1 44%
1384 cm−1 32%
1418 cm−1 33%
1650 cm−1 26%
1926 cm−1 62%
2899 cm−1 12%
2930 cm−1 13%
2977 cm−1 4%
NMR
Proton NMR  
Carbon-13 NMR http://riodb01.ibase.aist.go.jp/sdbs/cgi-bin/IMG.cgi?fname=CDS00245&imgdir=cdsW;
Other NMR data  
MS
Masses of
main fragments 		 
from: Phosphorus trichloride (data page)
UV-Vis
λmax ? nm
Extinction coefficient, ε ?
IR
Major absorption bands ? cm−1
NMR
Proton NMR  
Carbon-13 NMR  
31P NMR data +220 ppm
MS
Masses of
main fragments 		 


Other

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from: Ethanol (data page)
  1. Density of ethanol at various temperatures
  2. Properties of aqueous ethanol solutions
  3. Boiling points of aqueous solutions==

Graphs

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Example provided by Project Osprey:

References

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  1. ^ NMR-002: Sample Devices and Magnetic Susceptibility
  2. ^ Touloukian, Y.S., Liley, P.E., and Saxena, S.C. Thermophysical properties of matter - the TPRC data series. Volume 3. Thermal conductivity - nonmetallic liquids and gases. Data book. 1970.
  3. ^ "Pure Component Properties" (Queriable database). Chemical Engineering Research Information Center. Retrieved 12 May 2007.
  4. ^ "Ethanol". webbook.nist.gov. Retrieved 2021-12-07.
  5. ^ a b Atkins, Peter; de Paula, Julio (2010). Atkins' Physical Chemistry (9th ed.). Oxford: OUP. pp. 913–947. ISBN 978-0-19-954337-3.
  6. ^ a b Lange 1967, pp. 1525–1528.
  7. ^ a b Hodgman, Charles D; Weast, Robert C; Shankland, Robert S; Selby, Samuel M (1963). CRC Handbook of chemistry and physics : a ready-reference book of chemical and physical data (44th ed.). Cleveland Ohio: The Chemical Rubber Publishing. pp. 2582–2584.
  8. ^ Lange 1967, pp. 1522–1524.
  9. ^ "Spectral Database for Organic Compounds" (Queriable database). Advanced Industrial Science and Technology. Retrieved 9 June 2007.
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