Ampere-meter

2014-01-25T20:04:42Z

81.99.203.225: /* Deviation */

{{Use dmy dates|date=July 2013}}

This page provides supplementary chemical data on [[ethylene glycol]]. 

== 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 ([[Material safety data sheet|MSDS]]) for this chemical from a reliable source and follow its directions.

*[http://www.sciencestuff.com/msds/C1722.html Science Stuff]
*[http://hazard.com/msds/mf/baker/baker/files/e5125.htm Mallinckrodt Baker].

== Structure and properties == 

{| 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]], ''n''D
| 1.4318 at 20°C 
|-
| [[Abbe number]]
|? 
|-
| [[Dielectric constant]], εr <ref name="CRC_chem-phys-handbook_87th-ed">''David R. Lide. Handbook of chemistry and physics CRC (2007)'', 87th ed.</ref>
| 41.4 ε0 at 20 °C 
|-
| [[Bond strength]]
| ? 
|-
| [[Bond length]]
| ? 
|-
| [[Bond angle]]
| ? 
|-
| [[Magnetic susceptibility]]
| ? 
|-
| [[Surface tension]]<ref name="CRC_chem-phys-handbook_87th-ed"/>
| 47.99 dyn/cm at 25°C
|-
| [[Viscosity]]<ref name="CRC_chem-phys-handbook_87th-ed"/>
| 16.1 mPa·s at 25°C
|-
|}

== Thermodynamic properties == 

{| 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]]
| 256 K (−17 °C), ? Pa
|-
| [[Critical point (chemistry)|Critical point]]
| 720 K (447°C)
8.2 MPa
|-
| [[Standard enthalpy change of fusion|Std enthalpy change of fusion]], Δfus''H''<s>o</s>
| 9.9 kJ/mol
|-
| [[Standard entropy change of fusion|Std entropy change of fusion]], Δfus''S''<s>o</s>
| 38.2 J/(mol·K)
|-
| [[Standard enthalpy change of vaporization|Std enthalpy change of vaporization]], Δvap''H''<s>o</s>
| 65.6 kJ/mol
|-
| [[Standard entropy change of vaporization|Std entropy change of vaporization]], Δvap''S''<s>o</s>
| ? J/(mol·K)
|-
! {{chembox header}} | Solid properties
|-
| [[Standard enthalpy change of formation|Std enthalpy change of formation]], Δf''H''<s>o</s>solid
| ? kJ/mol
|-
| [[Standard molar entropy]], ''S''<s>o</s>solid
| ? J/(mol K)
|-
| [[Heat capacity]], ''cp''
| ? J/(mol K)
|-
! {{chembox header}} | Liquid properties
|-
| [[Standard enthalpy change of formation|Std enthalpy change of formation]], Δf''H''<s>o</s>liquid
| −460 kJ/mol
|-
| [[Standard molar entropy]], ''S''<s>o</s>liquid
| 166.9 J/(mol·K)
|-
| [[Heat capacity]], ''cp''
| 149.5 J/(mol·K)
|-
! {{chembox header}} | Gas properties
|-
| [[Standard enthalpy change of formation|Std enthalpy change of formation]], Δf''H''<s>o</s>gas
| −394.4 kJ/mol
|-
| [[Standard molar entropy]], ''S''<s>o</s>gas
| 311.8 J/(mol·K)
|-
| [[Heat capacity]], ''cp''
| 78 J/(mol·K) at 25°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
|-
| {{chembox header}} | '''T in °C''' || 53.0 || 92.1 || 120.0 || 141.8 || 178.5 || 197.3
|}

Table data obtained from CRC Handbook of Chemistry and Physics, 44th ed.

[[Image:logEthyleneglycolVaporPressure.png|thumb|816px|left|'''log10 Ethylene glycol vapor pressure.''' Uses formula: <math>\scriptstyle \log_e P_{mmHg} = </math> <math>\scriptstyle \log_e (\frac {760} {101.325}) -25.99771 \log_e (T+273.15) - \frac {14768.57} {T+273.15} + 191.4250 + 2.062331 \times 10^{-05} (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|publisher=Chemical Engineering Research Information Center|accessdate=14 May 2007|format=Queriable database}}</ref>]]{{Clear}}

==Freezing point of aqueous solutions==
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: white; border-collapse: collapse; border-color: #C0C090;"
|-
! {{chembox header}} | % ethylene glycol by volume
| 5 || 10 || 15 || 20 || 25 || 30 || 35 || 40 || 45 || 50
|-
! {{chembox header}} | Freezing point °C
| –1.1 || –2.2 || –3.9 || –6.7 || –8.9 || –12.8 || –16.1 || –20.6 || –26.7 || –33.3
|-
! {{chembox header}} | Specific gravity d90°
| 1.004 || 1.006 || 1.012 || 1.017 || 1.020 || 1.024 || 1.028 || 1.032 || 1.037 || 1.040
|}
Table obtained from ''Lange's Handbook of Chemistry'', 10th ed. Specific gravity is referenced to water at 15.6°C.

See also {{Cite web|url=http://www.dow.com/PublishedLiterature/dh_042f/09002f138042fbfc.pdf?filepath=/PublishToInternet/InternetDOWCOM/heattrans/pdfs/noreg/180-01485.pdf&fromPage=BasicSearch |title=Typical Freezing and Boiling Points of Aqueous Solutions of DOWTHERM SR-1 and DOWTHERM-SR4000|publisher=Dow Chemical|accessdate=13 June 2007 |archiveurl = http://web.archive.org/web/20070927225516/http://www.dow.com/PublishedLiterature/dh_042f/09002f138042fbfc.pdf?filepath=/PublishToInternet/InternetDOWCOM/heattrans/pdfs/noreg/180-01485.pdf&fromPage=BasicSearch  |archivedate = 27 September 2007}}

==Distillation data==
{|
|- valign="top"
|
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: white; border-collapse: collapse; border-color: #C0C090;"
|-
| bgcolor="#D0D0D0" align="center" colspan="3" | '''Vapor-liquid Equilibrium for Ethylene glycol/Water'''<ref name="cheric_b">{{Cite web|url=http://www.cheric.org/research/kdb/hcvle/hcvle.php|title=Binary Vapor-Liquid Equilibrium Data|publisher=Chemical Engineering Research Information Center|format=Queriable database|accessdate=8 June 2007}}</ref> ''P'' = 760 mmHg
|- {{chembox header}}
! rowspan="2" | BP Temp. °C
! colspan="2" | % by mole water
|- {{chembox header}}
! liquid !! vapor
|-
| 110.00 || 79.8 || 99.3
|-
| 116.40 || 61.3 || 98.5
|-
| 124.30 || 55.9 || 97.7
|-
| 124.50 || 55.3 || 97.6
|-
| 126.00 || 48.2 || 97.1
|-
| 128.10 || 42.6 || 96.3
|-
| 129.50 || 41.1 || 96.2
|-
| 130.50 || 38.8 || 95.5
|-
| 131.20 || 36.5 || 95.2
|-
| 135.20 || 28.9 || 92.6
|-
| 136.00 || 28.3 || 92.4
|-
| 138.00 || 24.1 || 90.9
|-
| 142.50 || 21.6 || 88.7
|-
| 149.00 || 17.8 || 85.2
|-
| 158.10 || 12.9 || 77.6
|-
| 167.40 || 10.2 || 70.6
|-
| 178.60 || 6.5 || 56.3
|-
| 184.20 || 3.4 || 37.9
|-
|}
|    
|
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: white; border-collapse: collapse; border-color: #C0C090;"
|-
| bgcolor="#D0D0D0" align="center" colspan="3" | '''Vapor-liquid Equilibrium for Ethylene glycol/[[Methanol]]'''<ref name="cheric_b"/> ''P'' = 760 mmHg
|- {{chembox header}}
! rowspan="2" | BP Temp. °C
! colspan="2" | % by mole methanol
|- {{chembox header}}
! liquid !! vapor
|-
| 66.70 || 93.0 || 99.9
|-
| 73.20 || 82.1 || 99.8
|-
| 79.60 || 66.4 || 99.7
|-
| 84.70 || 53.0 || 99.3
|-
| 90.20 || 45.7 || 99.0
|-
| 93.80 || 40.6 || 98.5
|-
| 101.40 || 36.3 || 97.9
|-
| 102.70 || 35.6 || 97.5
|-
| 104.90 || 32.2 || 96.7
|-
| 105.10 || 22.7 || 94.6
|-
| 109.90 || 21.2 || 93.3
|-
| 113.00 || 19.5 || 92.3
|-
| 121.50 || 13.7 || 86.4
|-
| 149.60 || 10.3 || 74.6
|-
| 157.50 || 4.6 || 51.5
|-
| 166.30 || 3.6 || 42.0
|-
| 175.20 || 2.5 || 30.4
|-
| 183.50 || 1.4 || 18.1
|-
| 189.10 || 0.5 || 6.8
|-
|}
|}

== Spectral data == 

{| 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|λmax]]
| ? [[Nanometre|nm]]
|-
| [[molar absorptivity|Extinction coefficient]], ε
| ?
|-
! {{chembox header}} | [[Infrared|IR]]
|-
| Major absorption bands
| ? cm−1
|-
! {{chembox header}} | [[NMR Spectroscopy|NMR]]
|-
| [[Proton NMR]] 
|  
|-
| [[Carbon-13 NMR]] 
|  
|-
| Other NMR data 
|  
|-
! {{chembox header}} | [[Mass Spectrometry|MS]]
|-
| Masses of main 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.

{{DEFAULTSORT:Ethylene Glycol (Data Page)}}
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