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Oscar is what my wife enjoys to call me and I completely dig that title. For a while she's been in South Dakota. Doing ceramics is what her family and her appreciate. Since she was eighteen she's been operating as a receptionist but her marketing by no means arrives.<br><br>my blog post [http://www.1A-pornotube.com/user/WCrompton home std test kit]
<!-- To obtain a blank version of this page, type subst:chembox supplement inside of double curly braces, {{}}, and save the page -->
This page provides supplementary chemical data on [[pentane|''n''-pentane]]. <!-- replace with proper wikilink -->
 
== Material Safety Data Sheet == <!-- KEEP this header, it is linked to from the infobox on the main article page -->
 
The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet ([[Material safety data sheet|MSDS]]) for this chemical from a reliable source  such as [http://www2.siri.org/msds/index.php SIRI], and follow its directions. MSDS for pentane is available at [http://hazard.com/msds/mf/baker/baker/files/p0737.htm Mallinckrodt Baker].
 
== Structure and properties == <!-- KEEP this header, it is linked to from the infobox on the main article page -->
 
{| border="1" cellspacing="0" cellpadding="3" style="margin: 0 0 0 0.5em; background: #FFFFFF; border-collapse: collapse; border-color: #C0C090;"
! {{chembox header}} | Structure and properties
|-
| [[Index of refraction]],<ref>''Lange's Handbook of Chemistry'', 10th ed. pp. 1234–1237</ref> ''n''<sub>D</sub>
| 1.3575 at 20&nbsp;°C <!-- Please omit if not applicable -->
|-
| [[Abbe number]]
|? <!-- Please omit if not applicable -->
|-
| [[Dielectric constant]],<ref>''Lange's Handbook of Chemistry'', 10th ed. pp. 1289–1376</ref> ε<sub>r</sub>
| 1.844 ε<sub>0</sub> at 20 °C <!-- Please omit if not applicable -->
|-
| [[Bond strength]]
| ? <!-- Specify which bond. Please omit if not applicable -->
|-
| [[Bond length]]
| ? <!-- Specify which bond. Please omit if not applicable -->
|-
| [[Bond angle]]
| ? <!-- Specify which angle, e.g. Cl-P-O. Please omit if not applicable -->
|-
| [[Magnetic susceptibility]]
| ? <!-- Please omit if not applicable -->
|-
| [[Surface tension]]<ref>{{Cite web|url=http://symp15.nist.gov/pdf/p217.pdf|title=Viscosity and Surface Tension of Saturated n-Pentane|author=A.P. Fröba, L. Penedo Pellegrino, and A. Leipertz|accessdate=30 May 2007|publisher=National Institute of Standards and Technology (15th Symposium on Thermophysical Properties)|date=June 2003|format=PDF}}</ref>
| 18.16 dyn/cm at 0&nbsp;°C<br>17.03 dyn/cm at 10&nbsp;°C<br>15.82 dyn/cm at 20&nbsp;°C<br>14.73 dyn/cm at 30&nbsp;°C<br>13.66 dyn/cm at 40&nbsp;°C
|-
| [[Viscosity]]<ref>''Lange's Handbook of Chemistry'', 10th ed. pp. 1669–1674</ref>
| 0.2894 mPa·s at 0&nbsp;°C<br>0.2395 mPa·s at 20&nbsp;°C<br>0.2200 mPa·s at 30&nbsp;°C
|-
|}
 
== Thermodynamic properties == <!-- KEEP this header, it is linked to from the infobox on the main article page -->
 
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: #FFFFFF; border-collapse: collapse; border-color: #C0C090;"
! {{chembox header}} | Phase behavior
|-
| [[Triple point]]
| 143.46 K (–128.69 °C), 0.076 Pa
|-
| [[Critical point (chemistry)|Critical point]]
| 469.8 K (196.7 °C), 3360 kPa
|-
| [[Standard enthalpy change of fusion|Std enthalpy change<br/>of fusion]], Δ<sub>fus</sub>''H''<sup><s>o</s></sup>
| 8.4 kJ/mol
|-
| [[Standard entropy change of fusion|Std entropy change<br/>of fusion]], Δ<sub>fus</sub>''S''<sup><s>o</s></sup>
| 58.5 J/(mol·K)
|-
| [[Standard enthalpy change of vaporization|Std enthalpy change<br/>of vaporization]], Δ<sub>vap</sub>''H''<sup><s>o</s></sup>
| 26.200 kJ/mol at 25&nbsp;°C<br>25.79 kJ/mol at 36.1&nbsp;°C
|-
| [[Standard entropy change of vaporization|Std entropy change<br/>of vaporization]], Δ<sub>vap</sub>''S''<sup><s>o</s></sup>
| 87.88 J/(mol·K) at 25&nbsp;°C
|-
! {{chembox header}} | Solid properties
|-
| [[Standard enthalpy change of formation|Std enthalpy change<br/>of formation]], Δ<sub>f</sub>''H''<sup><s>o</s></sup><sub>solid</sub>
| ? kJ/mol
|-
| [[Standard molar entropy]],<br/>''S''<sup><s>o</s></sup><sub>solid</sub>
| ? J/(mol K)
|-
| [[Heat capacity]], ''c<sub>p</sub>''
| ? J/(mol K)
|-
! {{chembox header}} | Liquid properties
|-
| [[Standard enthalpy change of formation|Std enthalpy change<br/>of formation]], Δ<sub>f</sub>''H''<sup><s>o</s></sup><sub>liquid</sub>
| –173.5 kJ/mol
|-
| [[Standard molar entropy]],<br/>''S''<sup><s>o</s></sup><sub>liquid</sub>
| 263.47 J/(mol K)
|-
| [[Enthalpy of combustion]], Δ<sub>c</sub>''H''<sup><s>o</s></sup><sub>liquid</sub>
| –3509 kJ/mol
|-
| [[Heat capacity]], ''c<sub>p</sub>''
| 167.19 J/(mol K) at 25&nbsp;°C
|-
! {{chembox header}} | Gas properties
|-
| [[Standard enthalpy change of formation|Std enthalpy change<br/>of formation]], Δ<sub>f</sub>''H''<sup><s>o</s></sup><sub>gas</sub>
| –146.8 kJ/mol
|-
| [[Standard molar entropy]],<br/>''S''<sup><s>o</s></sup><sub>gas</sub>
| 347.82 J/(mol K)
|-
| [[Enthalpy of combustion]], Δ<sub>c</sub>''H''<sup><s>o</s></sup><sub>gas</sub>
| –3535 kJ/mol
|-
| [[Heat capacity]], ''c<sub>p</sub>''
| 120.07 J/(mol K) at 25&nbsp;°C
|-
|}
 
==Vapor pressure of liquid==
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: white; border-collapse: collapse; border-color: #C0C090;"
|-
| {{chembox header}} | '''P in mm Hg''' || 1 || 10 || 40 || 100 || 400 || 760 || 1520 || 3800 || 7600 || 15200 || 30400 || 45600
|-
| {{chembox header}} | '''T in °C''' || –76.6 || –50.1 || –29.2 || –12.6 || 18.5 || 36.1 || 58.0 || 92.4 || 124.7 || 164.3 || &nbsp; — || &nbsp; —
|}
Table data obtained from ''CRC Handbook of Chemistry and Physics'' 47th ed.{{Clear}}
 
[[Image:LogNPentaneVaporPressure.png|thumb|764px|left|'''log<sub>10</sub> of ''n''-Pentane vapor pressure.''' Uses formula: <math>\scriptstyle \log_e P_{mmHg} =</math><math>\scriptstyle \log_e (\frac {760} {101.325}) - 10.41840\log_e(T+273.15) - \frac {5778.024} {T+273.15} + 81.92460 + 1.178208 \times 10^{-5} (T+273.15)^2</math> obtained from CHERIC<ref name="cheric_p">{{Cite web|url=http://www.cheric.org/research/kdb/hcprop/cmpsrch.php|title=Pure Component Properties|format=Queriable database|publisher=Chemical Engineering Research Information Center|accessdate=30 May 2007}}</ref>]]{{Clear}}
 
== Spectral data == <!-- KEEP this header, it is linked to from the infobox on the main article page -->
 
{| border="1" cellspacing="0" cellpadding="3" style="margin: 0 0 0 0.5em; background: #FFFFFF; border-collapse: collapse; border-color: #C0C090;"
! {{chembox header}} | [[UV/VIS spectroscopy|UV-Vis]]
|-
| [[Lambda-max|λ<sub>max</sub>]]
| ? [[Nanometre|nm]]
|-
| [[molar absorptivity|Extinction coefficient]], ε
| ?
|-
! {{chembox header}} | [[Infrared|IR]]
|-
| Major absorption bands
| ? cm<sup>&minus;1</sup>
|-
! {{chembox header}} | [[NMR Spectroscopy|NMR]]
|-
| [[Proton NMR]] <!-- Link to image of spectrum -->
| &nbsp;
|-
| [[Carbon-13 NMR]] <!-- Link to image of spectrum -->
| &nbsp;
|-
| Other NMR data <!-- Insert special data e.g. <sup>19</sup>F chem. shifts, omit if not used -->
| &nbsp;
|-
! {{chembox header}} | [[Mass Spectrometry|MS]]
|-
| Masses of <br>main fragments
| &nbsp; <!-- Give list of major fragments -->
|-
|}
 
==References==
<references/>
* {{Cite web|url=http://webbook.nist.gov/chemistry/|title=NIST Standard Reference Database}}
 
Except where noted otherwise, data relate to [[standard ambient temperature and pressure]].
 
[[wikipedia:Chemical infobox|Disclaimer]] applies.
{{Use dmy dates|date=September 2010}}
 
{{DEFAULTSORT:Pentane (Data Page)}}
[[Category:Chemical data pages]]

Revision as of 10:49, 17 August 2013

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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