Atkinson resistance

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This page provides supplementary chemical data on n-pentane.

Material Safety Data Sheet

The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source such as SIRI, and follow its directions. MSDS for pentane is available at Mallinckrodt Baker.

Structure and properties

Structure and properties
Index of refraction,[1] nD 1.3575 at 20 °C
Abbe number ?
Dielectric constant,[2] εr 1.844 ε0 at 20 °C
Bond strength ?
Bond length ?
Bond angle ?
Magnetic susceptibility ?
Surface tension[3] 18.16 dyn/cm at 0 °C
17.03 dyn/cm at 10 °C
15.82 dyn/cm at 20 °C
14.73 dyn/cm at 30 °C
13.66 dyn/cm at 40 °C
Viscosity[4] 0.2894 mPa·s at 0 °C
0.2395 mPa·s at 20 °C
0.2200 mPa·s at 30 °C

Thermodynamic properties

Phase behavior
Triple point 143.46 K (–128.69 °C), 0.076 Pa
Critical point 469.8 K (196.7 °C), 3360 kPa
Std enthalpy change
of fusion, ΔfusHo 		8.4 kJ/mol
Std entropy change
of fusion, ΔfusSo 		58.5 J/(mol·K)
Std enthalpy change
of vaporization, ΔvapHo 		26.200 kJ/mol at 25 °C
25.79 kJ/mol at 36.1 °C
Std entropy change
of vaporization, ΔvapSo 		87.88 J/(mol·K) at 25 °C
Solid properties
Std enthalpy change
of formation, ΔfHosolid 		? kJ/mol
Standard molar entropy,
Sosolid 		? J/(mol K)
Heat capacity, cp ? J/(mol K)
Liquid properties
Std enthalpy change
of formation, ΔfHoliquid 		–173.5 kJ/mol
Standard molar entropy,
Soliquid 		263.47 J/(mol K)
Enthalpy of combustion, ΔcHoliquid –3509 kJ/mol
Heat capacity, cp 167.19 J/(mol K) at 25 °C
Gas properties
Std enthalpy change
of formation, ΔfHogas 		–146.8 kJ/mol
Standard molar entropy,
Sogas 		347.82 J/(mol K)
Enthalpy of combustion, ΔcHogas –3535 kJ/mol
Heat capacity, cp 120.07 J/(mol K) at 25 °C

Vapor pressure of liquid

P in mm Hg 1 10 40 100 400 760 1520 3800 7600 15200 30400 45600
T in °C –76.6 –50.1 –29.2 –12.6 18.5 36.1 58.0 92.4 124.7 164.3   —   —

Table data obtained from CRC Handbook of Chemistry and Physics 47th ed.50 year old Petroleum Engineer Kull from Dawson Creek, spends time with interests such as house brewing, property developers in singapore condo launch and camping. Discovers the beauty in planing a trip to places around the entire world, recently only coming back from .

log10 of n-Pentane vapor pressure. Uses formula: logePmmHg=loge(760101.325)−10.41840loge(T+273.15)−5778.024T+273.15+81.92460+1.178208×10−5(T+273.15)2 obtained from CHERIC[5]

50 year old Petroleum Engineer Kull from Dawson Creek, spends time with interests such as house brewing, property developers in singapore condo launch and camping. Discovers the beauty in planing a trip to places around the entire world, recently only coming back from .

Spectral data

UV-Vis
λmax ? nm
Extinction coefficient, ε ?
IR
Major absorption bands ? cm−1
NMR
Proton NMR  
Carbon-13 NMR  
Other NMR data  
MS
Masses of
main fragments 		 

References

  1. ↑ Lange's Handbook of Chemistry, 10th ed. pp. 1234–1237
  2. ↑ Lange's Handbook of Chemistry, 10th ed. pp. 1289–1376
  3. ↑ Template:Cite web
  4. ↑ Lange's Handbook of Chemistry, 10th ed. pp. 1669–1674
  5. ↑ Template:Cite web

Except where noted otherwise, data relate to standard ambient temperature and pressure.

Disclaimer applies. 30 year-old Entertainer or Range Artist Wesley from Drumheller, really loves vehicle, property developers properties for sale in singapore singapore and horse racing. Finds inspiration by traveling to Works of Antoni Gaudí.

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