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{{Short description|Chemical data page}}
{{Use dmy dates|date=March 2023}}
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This page provides supplementary chemical data on [[carbon dioxide]].

== 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 recommended that you seek the Material Safety Datasheet ([[Material safety data sheet|MSDS]]) for this chemical from a reliable source such as [https://web.archive.org/web/20020207111330/http://siri.org/msds/index.php SIRI], and follow its directions.  MSDS for solid carbon dioxide is available from [https://web.archive.org/web/20110728025131/http://www.siri.org/msds/f2/bwr/bwrdj.html Pacific Dry Ice, inc.]

== 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]], ''n''<sub>D</sub>
| 1.000449 at 589.3&nbsp;nm and 0&nbsp;°C<ref>{{Cite web|url=http://www.kayelaby.npl.co.uk/general_physics/2_5/2_5_7.html|title=Refractive index of gases|publisher=NPL|accessdate=7 April 2010|archive-url=https://web.archive.org/web/20101007092131/http://www.kayelaby.npl.co.uk/general_physics/2_5/2_5_7.html|archive-date=7 October 2010|url-status=dead}}</ref><!-- Please omit if not applicable -->
|-
| [[Dielectric constant]], ε<sub>r</sub>
| 1.60 ε<sub>0</sub> at 0&nbsp;°C, 50 atm <!-- Please omit if not applicable -->
|-
| Average [[Bond energy|energy]] per C=O bond 
|804.4 kJ/mol at {{cvt|298|K|C}}<ref name="Darwent1970">Darwent, B. deB. (1970). "Bond Dissociation Energies in Simple Molecules" Nat. Stand. Ref. Data Ser., Nat. Bur. Stand. (U.S.) 31, 52 pages.</ref>
|-
| [[Bond length]]
| C=O 116.21 pm (1.1621 Å)<ref name=":0">{{Cite web|url=https://cccbdb.nist.gov/exp2x.asp?casno=124389|title=CCCBDB listing of experimental data page 2|website=cccbdb.nist.gov|access-date=2018-12-01}}</ref>
|-
| [[Bond angle]]
| O–C–O: 180° ([[Standard temperature and pressure|STP]]),<ref name=":0" /> decreasing to as low as 163° at higher temperature and/or pressure<ref>{{Cite journal |last=Anderson |first=Kelly E. |last2=Mielke |first2=Steven L. |last3=Siepmann |first3=J. Ilja |last4=Truhlar |first4=Donald G. |date=2009-03-12 |title=Bond Angle Distributions of Carbon Dioxide in the Gas, Supercritical, and Solid Phases |journal=The Journal of Physical Chemistry A |language=en |volume=113 |issue=10 |pages=2053–2059 |doi=10.1021/jp808711y |issn=1089-5639}}</ref>
|-
| [[Magnetic susceptibility]]
| −0.49×10^−6 cm^3/mol
|-
| [[Surface tension]]
| 4.34 dyn/cm at 20&nbsp;°C<br />and equilibrium pressure
|-
| [[Viscosity]]<ref name="lange1669">''Lange's Handbook of Chemistry'', 10th ed. pp. 1669–1674</ref> of liquid<br />at equilibrium pressure
| 0.0925 mPa·s at 5&nbsp;°C<br />0.0852 mPa·s at 10&nbsp;°C<br />0.0712 mPa·s at 20&nbsp;°C<br />0.0625 mPa·s at 25&nbsp;°C<br />0.0321 mPa·s at 31.1&nbsp;°C<br />
|-
|}

== 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]]
| {{cvt|216.58|K|C}}, 518.5 kPa
|-
| [[Critical point (thermodynamics)|Critical point]]
| {{cvt|304.18|K|C}}, 7.38 MPa
|-
| [[Standard enthalpy change of fusion|Std enthalpy change<br />of fusion]], Δ<sub>fus</sub>''H''<sup><s>o</s></sup>
| 9.019 kJ/mol at triple point<ref name="a_l">{{Cite web|url=http://encyclopedia.airliquide.com/encyclopedia.asp?GasID=26|title=Gas Encyclopaedia|publisher=Air Liquide|accessdate=1 June 2007|archive-date=23 November 2016|archive-url=https://web.archive.org/web/20161123090821/http://encyclopedia.airliquide.com/encyclopedia.asp?GasID=26|url-status=dead}}</ref>
|-
| [[Standard entropy change of fusion|Entropy change<br />of fusion]], Δ<sub>fus</sub>''S''
| 40 J/(mol·K) at triple point
|-
| [[Standard enthalpy change of vaporization|Std enthalpy change<br />of vaporization]],<ref name="cheric_p"/><ref>{{cite web |title=Carbon dioxide 화학공학소재연구정보센터(CHERIC) {{!}} 연구정보 {{!}} KDB {{!}} Pure Component Properties |url=https://www.cheric.org/research/kdb/hcprop/showprop.php |website=www.cheric.org}}</ref> Δ<sub>vap</sub>''H''<sup><s>o</s></sup>
| 15.326 kJ/mol at {{cvt|215.7|K|C}} (348 J/g)
|-
| [[Standard entropy change of vaporization|Std entropy change<br />of vaporization]], Δ<sub>vap</sub>''S''<sup><s>o</s></sup>
| 70.8 J/(mol·K)
|-
! {{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>
| −427.4 kJ/mol
|-
| [[Standard molar entropy]],<ref name="giauqeegan1937">{{Cite journal|doi = 10.1063/1.1749929|title = Carbon Dioxide. The Heat Capacity and Vapor Pressure of the Solid. The Heat of Sublimation. Thermodynamic and Spectroscopic Values of the Entropy|year = 1937|last1 = Giauque|first1 = W. F.|last2 = Egan|first2 = C. J.|journal = The Journal of Chemical Physics|volume = 5|issue = 1|pages = 45–54|bibcode = 1937JChPh...5...45G}}</ref><br />''S''<sup><s>o</s></sup><sub>solid</sub>
| 51.07 J/(mol·K)
|-
| [[Heat capacity]],<ref name="giauqeegan1937"/> ''c<sub>p</sub>''
|
2.534 J/(mol·K) at {{cvt|15.52|K|C}}<br />
47.11 J/(mol·K) at {{cvt|146.48|K|C}}<br />
54.55 J/(mol·K) at {{cvt|189.78|K|C}}<br />
|-
! {{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>
| −393.5kJ/mol
|-
| [[Standard molar entropy]],<br />''S''<sup><s>o</s></sup><sub>liquid</sub>
| 213.7J/(mol K)
|-
| [[Heat capacity]],<ref>{{cite web |title=Liquid Heat Capcity of CARBON DIOXIDE 화학공학소재연구정보센터(CHERIC) {{!}} 연구정보 {{!}} KDB {{!}} Pure Component Properties |url=https://www.cheric.org/research/kdb/hcprop/showcoef.php?prop=CPL |website=www.cheric.org}}</ref> ''c<sub>p</sub>''
| 80—150 J/(mol·K) at 220—290 K
|-
! {{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>
| &minus;393.52 kJ/mol
|-
| [[Standard molar entropy]],<br />''S''<sup><s>o</s></sup><sub>gas</sub>
| 213.79 J/(mol·K)
|-
| [[Heat capacity]],<ref name="lange1525">''Lange's Handbook of Chemistry'', 10th ed, pp. 1525–1528.</ref><ref>{{cite web |title=Ideal Gas Heat Capacity of CARBON DIOXIDE 화학공학소재연구정보센터(CHERIC) {{!}} 연구정보 {{!}} KDB {{!}} Pure Component Properties |url=https://www.cheric.org/research/kdb/hcprop/showcoef.php?prop=CPG |website=www.cheric.org}}</ref> ''c<sub>p</sub>''
|
33.89 J/(mol K) at –75&nbsp;°C<br />
36.33 J/(mol K) at 0&nbsp;°C<br />
36.61 J/(mol K) at 15&nbsp;°C<br />
38.01 J/(mol K) at 100&nbsp;°C<br />
43.81 J/(mol K) at 400&nbsp;°C<br />
50.87 J/(mol K) at 1000&nbsp;°C<br />
56.91 J/(mol K) at 2000&nbsp;°C<br />
53.01 J/(mol K) at 38&nbsp;°C, 2457 kPa<br />
60.01 J/(mol K) at 38&nbsp;°C, 5482 kPa<br />
183.1 J/(mol K) at 38&nbsp;°C, 8653 kPa<br />
|-
| [[Heat capacity ratio]]<ref name="lange1525"/><br />''γ'' = ''c<sub>p</sub>''/''c<sub>v</sub>''
|
1.37 at –75&nbsp;°C<br />
1.310 at 0&nbsp;°C<br />
1.304 at 15&nbsp;°C<br />
1.281 at 100&nbsp;°C<br />
1.235 at 400&nbsp;°C<br />
1.195 at 1000&nbsp;°C<br />
1.171 at 2000&nbsp;°C
|-
| [[van der Waals equation|van der Waals' constants]]<ref name="lange1522">''Lange's Handbook of Chemistry'', 10th ed, pp.&nbsp;1522–1524.</ref>
| a = 363.96 L<sup>2</sup> kPa/mol<sup>2</sup><br />b = 0.04267 liter per mole
|-
| Equilibrium with [[carbon monoxide]]<ref name="lange1573">''Lange's Handbook of Chemistry'', 10th ed. pp. 1573–1576.</ref><br />
CO + {{sfrac|1|2}}O<sub>2</sub> → CO<sub>2</sub>

''K'' = <math chem>\frac{[\ce{CO2}]}{[\ce{CO}][\ce{O2}]^{1/2}}</math>

''pK'' = log<sub>10</sub> ''K''
|
''pK'' = 45.0438 at T = 298.16 K<br />
''pK'' = 25.0054 at T = 500 K<br />
''pK'' = 16.5383 at T = 700 K<br />
''pK'' = 11.8409 at T = 900 K<br />
''pK'' = 8.8583 at T = 1100 K<br />
''pK'' = 6.7989 at T = 1300 K<br />
''pK'' = 5.2943 at T = 1500 K
|}
It is used for smoking effects in different scenes.

==Solubility in water at various temperatures==
{| cellspacing="0" cellpadding="0" style="border: 1px solid #C0C090; background-color: #F8EABA"
|- bgcolor="#D0D0D0" align="center"
| colspan="3" | '''Aqueous Solubility of CO<sub>2</sub> at 101.3 kPa (1 [[Atmosphere (unit)|atm]]) [[partial pressure]]'''<ref name="lange1100">''Lange's Handbook of Chemistry'', 10th ed., p. 1100</ref>
|-
|
{| border="1" cellspacing="0" cellpadding="6" style=" background: white; border-collapse: collapse; border-color: #C0C090;"
|- {{chembox header}}
| '''Temperature'''|| <sup>‡</sup>'''Dissolved<br />CO<sub>2</sub> volume<br />per volume H<sub>2</sub>O''' || '''grams CO<sub>2</sub> per<br />100 ml H<sub>2</sub>O'''
|-
| 0&nbsp;°C || 1.713 || 0.3346
|-
| 1&nbsp;°C || 1.646 || 0.3213
|-
| 2&nbsp;°C || 1.584 || 0.3091
|-
| 3&nbsp;°C || 1.527 || 0.2978
|-
| 4&nbsp;°C || 1.473 || 0.2871
|-
| 5&nbsp;°C || 1.424 || 0.2774
|-
| 6&nbsp;°C || 1.377 || 0.2681
|-
| 7&nbsp;°C || 1.331 || 0.2589
|-
| 8&nbsp;°C || 1.282 || 0.2492
|-
| 9&nbsp;°C || 1.237 || 0.2403
|-
| 10&nbsp;°C || 1.194 || 0.2318
|-
| 11&nbsp;°C || 1.154 || 0.2239
|-
| 12&nbsp;°C || 1.117 || 0.2165
|-
| 13&nbsp;°C || 1.083 || 0.2098
|-
| 14&nbsp;°C || 1.050 || 0.2032
|-
| 15&nbsp;°C || 0.98819 || 0.1970
|-
| 16&nbsp;°C || 0.985 || 0.1903
|-
| 17&nbsp;°C || 0.956 || 0.1845
|}
|  bgcolor="#F8EABA"|  
|
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: white; border-collapse: collapse; border-color: #C0C090;"
|- {{chembox header}}
| '''Temperature'''|| <sup>‡</sup>'''Dissolved<br />CO<sub>2</sub> volume<br />per volume H<sub>2</sub>O''' || '''grams CO<sub>2</sub> per<br />100 ml H<sub>2</sub>O'''
|-
| 18&nbsp;°C || 0.928 || 0.1789
|-
| 19&nbsp;°C || 0.902 || 0.1737
|-
| 20&nbsp;°C || 0.878 || 0.1688
|-
| 21&nbsp;°C || 0.854 || 0.1640
|-
| 22&nbsp;°C || 0.829 || 0.1590
|-
| 23&nbsp;°C || 0.804 || 0.1540
|-
| 24&nbsp;°C || 0.781 || 0.1493
|-
| 25&nbsp;°C || 0.759 || 0.1449
|-
| 26&nbsp;°C || 0.738 || 0.1406
|-
| 27&nbsp;°C || 0.718 || 0.1366
|-
| 28&nbsp;°C || 0.699 || 0.1327
|-
| 29&nbsp;°C || 0.682 || 0.1292
|-
| 30&nbsp;°C || 0.655 || 0.1257
|-
| 35&nbsp;°C || 0.592 || 0.1105
|-
| 40&nbsp;°C || 0.530 || 0.0973
|-
| 45&nbsp;°C || 0.479 || 0.0860
|-
| 50&nbsp;°C || 0.436 || 0.0761
|-
| 60&nbsp;°C || 0.359 || 0.0576
|}
|-
|}
* <small><sup>‡</sup>Second column of table indicates solubility at each given temperature in volume of CO<sub>2</sub> as it would be measured at 101.3 kPa and 0&nbsp;°C per volume of water. </small>
* The solubility is given for "pure water", i.e., water which contain only CO<sub>2</sub>.  This water is going to be acidic.  For example, at 25&nbsp;°C the [[pH]] of 3.9 is expected (see [[carbonic acid]]). At less acidic pH values, the solubility will increase because of the [[pH]]-dependent speciation of CO<sub>2</sub>.

==Vapor pressure of solid and liquid==
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: white; border-collapse: collapse; border-color: #C0C090;"
|-
! {{chembox header}} | '''T in °C''' || −134.3<sub>(s)</sub> !! −119.5<sub>(s)</sub> !! −108.6<sub>(s)</sub> !! −100.2<sub>(s)</sub> !! −85.7<sub>(s)</sub> !! −78.2<sub>(s)</sub> !! −69.1<sub>(s)</sub> !! −56.7 !! −39.5 !! −18.9 !! 5.9 !! 22.4
|-
| {{chembox header}} | '''P in mm Hg''' || 1 || 10 || 40 || 100 || 400 || 760 || 1520 || 3800 || 7600 || 15200 || 30400 || 45600
|-
| {{chembox header}} | '''P in atm (2sf, derived from mm Hg)''' || 0.0013 || 0.013 || 0.053 || 0.13 || 0.53 || 1.0 || 2.0 || 5.0 || 10 || 20 || 40 || 60
|-
| {{chembox header}} | '''P in kPa (derived from mm Hg / atm)''' || 0.13 || 1.3 || 5.3 || 13 || 53 || 101.325 || 202.65 || 506.625 || 1013.25 || 2026.5 || 4053 || 6079.5
|}
Table data obtained from ''CRC Handbook of Chemistry and Physics'' 44th ed. Annotation "(s)" indicates equilibrium temperature of vapor over solid. Otherwise temperature is equilibrium of vapor over liquid. For kPa values, where datum is whole numbers of atmospheres exact kPa values are given, elsewhere 2 significant figures derived from mm Hg data.<br />
[[Image:LogCO2VaporPressure.png|thumb|587px|left|'''log of Carbon Dioxide vapor pressure.''' Uses formula <math>\scriptstyle \ln P_\text{mmHg} = \ln \frac{760}{101.325} - 24.03761 \ln(T + 273.15) - \frac{7062.404}{T + 273.15} + 166.3861 + 3.368548 \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|publisher=Chemical Engineering Research Information Center|format=Queriable database|accessdate=8 May 2007}}</ref>]]{{Clear}}

==Phase diagram==
[[Image:Carbon dioxide pressure-temperature phase diagram.svg|350px]]

==Liquid/vapor equilibrium thermodynamic data==
The table below gives thermodynamic data of liquid CO<sub>2</sub> in equilibrium with its vapor at various temperatures. Heat content data, heat of vaporization, and entropy values are relative to the liquid state at 0&nbsp;°C temperature and 3483&nbsp;kPa pressure. To convert heat values to joules per mole values, multiply by 44.095&nbsp;g/mol. To convert densities to moles per liter, multiply by 22.678&nbsp;cm<sup>3</sup>&nbsp;mol/(L·g). Data obtained from ''CRC Handbook of Chemistry and Physics'', 44th ed. pages 2560–2561, except for critical temperature line (31.1&nbsp;°C) and temperatures −30&nbsp;°C and below, which are taken from ''Lange's Handbook of Chemistry'', 10th ed. page 1463.

{| 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="9" | '''Carbon dioxide liquid/vapor equilibrium thermodynamic data'''
|- {{chembox header}}
! Temp.<br />°C !! ''P<sub>vap</sub>''<br />Vapor<br />pressure<br />[[Pascal (unit)|kPa]] !! ''H<sub>liq</sub>''<br />Heat<br />content<br />liquid<br />[[joule|J]]/g !! ''H<sub>vap</sub>''<br />Heat<br />content<br />vapor<br />[[joule|J]]/g !! Δ<sub>vap</sub>''H''<sup><s>o</s></sup><br />Heat of<br />vapor-<br />ization<br />[[joule|J]]/g !! ''ρ<sub>vap</sub>''<br />Density<br />of vapor<br />g/cm<sup>3</sup> !! ''ρ<sub>liq</sub>''<br />Density<br />of liquid<br />g/cm<sup>3</sup> !! ''S<sub>liq</sub>''<br />Entropy<br />liquid<br />[[joule|J]]/[[mole (unit)|mol]]-°C !! ''S<sub>vap</sub>''<br />Entropy<br />vapor<br />[[joule|J]]/[[mole (unit)|mol]]-°C
|-
| −56.6 || 518.3 ||        ||       ||       ||         || 1.179  ||       ||
|-
| −56.0 || 531.8 ||        ||       ||       ||         || 1.177  ||       ||
|-
| −54.0 || 579.1 ||        ||       ||       ||         || 1.169  ||       ||
|-
| −52.0 || 629.6 ||        ||       ||       ||         || 1.162  ||       ||
|-
| −50.0 || 683.4 ||        ||       ||       ||         || 1.155  ||       ||
|-
| −48.0 || 740.6 ||        ||       ||       ||         || 1.147  ||       ||
|-
| −46.0 || 801.3 ||        ||       ||       ||         || 1.139  ||       ||
|-
| −44.0 || 865.6 ||        ||       ||       ||         || 1.131  ||       ||
|-
| −42.0 || 933.8 ||        ||       ||       ||         || 1.124  ||       ||
|-
| −40.0 || 1005.7 ||       ||       ||       ||         || 1.116  ||       ||
|-
| −38.0 || 1081.9 ||       ||       ||       ||         || 1.108  ||       ||
|-
| −36.0 || 1161.8 ||       ||       ||       ||         || 1.100  ||       ||
|-
| −34.0 || 1246.2 ||       ||       ||       ||         || 1.092  ||       ||
|-
| −32.0 || 1335.1 ||       ||       ||       ||         || 1.084  ||       ||
|-
| −30.0 || 1428.6 ||       ||       ||       ||         || 1.075  ||       ||
|-
| −28.89 || 1521 || −55.69 || 237.1 || 292.9 || 0.03846 || 1.0306 || −9.48 || 43.41
|-
| −27.78 || 1575 || −53.76 || 237.3 || 291.0 || 0.03987 || 1.0276 || −9.13 || 43.21
|-
| −26.67 || 1630 || −51.84 || 237.6 || 289.4 || 0.04133 || 1.0242 || −8.78 || 43.01
|-
| −25.56 || 1686 || −49.87 || 237.6 || 287.5 || 0.04283 || 1.0209 || −8.45 || 42.78
|-
| −24.44 || 1744 || −47.91 || 237.8 || 285.7 || 0.04440 || 1.0170 || −8.10 || 42.56
|-
| −23.33 || 1804 || −45.94 || 237.8 || 283.6 || 0.04600 || 1.0132 || −7.75 || 42.36
|-
| −22.22 || 1866 || −43.93 || 237.8 || 281.7 || 0.04767 || 1.0093 || −7.40 || 42.14
|-
| −21.11 || 1928 || −41.92 || 237.8 || 279.6 || 0.04938 || 1.0053 || −7.05 || 41.94
|-
| −20.00 || 1993 || −39.91 || 237.8 || 277.8 || 0.05116 || 1.0011 || −6.68 || 41.71
|-
| −18.89 || 2059 || −37.86 || 237.8 || 275.7 || 0.05300 || 0.9968 || −6.31 || 41.49
|-
| −17.78 || 2114 || −35.82 || 237.6 || 273.6 || 0.05489 || 0.9923 || −5.98 || 41.27
|-
| −16.67 || 2197 || −33.73 || 237.6 || 271.2 || 0.05686 || 0.9875 || −5.61 || 41.05
|-
| −15.56 || 2269 || −31.64 || 237.3 || 269.2 || 0.05888 || 0.9829 || −5.26 || 40.83
|-
| −14.44 || 2343 || −29.54 || 237.3 || 266.9 || 0.06098 || 0.9782 || −4.91 || 40.61
|-
| −13.33 || 2418 || −27.41 || 237.1 || 264.5 || 0.06314 || 0.9734 || −4.54 || 40.39
|-
| −12.22 || 2495 || −25.27 || 236.9 || 262.2 || 0.06539 || 0.9665 || −4.17 || 40.15
|-
| −11.11 || 2574 || −23.09 || 236.7 || 259.7 || 0.06771 || 0.9639 || −3.80 || 39.92
|-
| −10.00 || 2654 || −20.90 || 236.4 || 257.3 || 0.07011 || 0.9592 || −3.43 || 39.68
|-
|  −8.89 || 2738 || −18.69 || 235.9 || 254.8 || 0.07259 || 0.9543 || −3.06 || 39.46
|-
|  −7.78 || 2823 || −16.45 || 235.7 || 252.2 || 0.07516 || 0.9494 || −2.69 || 39.22
|-
|  −6.67 || 2910 || −14.18 || 235.2 || 249.4 || 0.07783 || 0.9443 || −2.32 || 38.98
|-
|  −5.56 || 2999 || −11.90 || 234.8 || 246.6 || 0.08059 || 0.9393 || −1.94 || 38.74
|-
|  −4.44 || 3090 || −9.977 || 234.3 || 243.8 || 0.08347 || 0.9340 || −1.57 || 38.50
|-
|  −3.89 || 3136 || −8.410 || 234.1 || 242.4 || 0.08494 || 0.9313 || −1.37 || 38.37
|-
|  −2.78 || 3230 || −6.046 || 233.6 || 239.7 || 0.08797 || 0.9260 || −0.98 || 38.12
|-
|  −1.67 || 3327 || −3.648 || 232.9 || 236.6 || 0.09111 || 0.9206 || −0.59 || 37.88
|-
|  −0.56 || 3425 || −1.222 || 232.4 || 233.6 || 0.09438 || 0.9150 || −0.20 || 37.62
|-
|   0.56 || 3526 ||  1.234 || 231.7 || 230.5 || 0.09776 || 0.9094 ||  0.20 || 37.36
|-
|   1.67 || 3629 ||  3.728 || 231.0 || 227.3 || 0.1013 || 0.9036 ||  0.61 || 37.08
|-
|   2.78 || 3735 ||  6.268 || 230.4 || 224.0 || 0.1050 || 0.8975 ||  1.01 || 36.83
|-
|   3.89 || 3843 ||  8.445 || 229.4 || 220.5 || 0.1088 || 0.8914 ||  1.42 || 36.55
|-
|   5.00 || 3953 ||  11.46 || 228.5 || 217.0 || 0.1128 || 0.8850 ||  1.83 || 36.25
|-
|   6.11 || 4067 ||  14.13 || 227.6 || 213.4 || 0.1169 || 0.8784 ||  2.25 || 35.98
|-
|   7.22 || 4182 ||  16.85 || 226.5 || 209.7 || 0.1213 || 0.8716 ||  2.69 || 35.68
|-
|   8.33 || 4300 ||  19.63 || 225.4 || 205.8 || 0.1258 || 0.8645 ||  3.12 || 35.39
|-
|   9.44 || 4420 ||  22.46 || 224.3 || 201.8 || 0.1306 || 0.8571 ||  3.56 || 35.07
|-
|  10.56 || 4544 ||  25.36 || 223.1 || 197.7 || 0.1355 || 0.8496 ||  4.02 || 34.76
|-
|  11.67 || 4670 ||  28.33 || 221.8 || 193.4 || 0.1408 || 0.8418 ||  4.48 || 34.45
|-
|  12.78 || 4798 ||  31.35 || 220.3 || 188.9 || 0.1463 || 0.8338 ||  4.94 || 34.11
|-
|  13.89 || 4929 ||  34.49 || 218.8 || 184.3 || 0.1521 || 0.8254 ||  5.42 || 33.76
|-
|  15.00 || 5063 ||  37.30 || 217.2 || 179.5 || 0.1583 || 0.8168 ||  5.92 || 33.41
|-
|  16.11 || 5200 ||  41.03 || 215.1 || 174.4 || 0.1648 || 0.8076 ||  6.42 || 33.02
|-
|  17.22 || 5340 || 44.48  || 213.6 || 169.1 || 0.1717 || 0.7977 ||  6.96 || 32.66
|-
|  18.33 || 5482 || 48.03  || 211.5 || 163.5 || 0.1791 || 0.7871 ||  7.49 || 32.25
|-
|  19.44 || 5628 || 51.71  || 209.4 || 157.6 || 0.1869 || 0.7759 ||  8.04 || 31.83
|-
|  20.56 || 5776 || 55.61 ||  207.0 || 151.4 || 0.1956 || 0.7639 ||  8.63 || 31.38
|-
|  21.67 || 5928 || 59.66 ||  204.3 || 144.7 || 0.2054 || 0.7508 ||  9.24 || 30.90
|-
|  22.78 || 6083 || 63.97 ||  201.5 || 137.5 || 0.2151 || 0.7367 ||  9.89 || 30.39
|-
|  23.89 || 6240 || 68.58 ||  198.4 || 129.8 || 0.2263 || 0.7216 ||  10.57 || 29.85
|-
|  25.00 || 6401 || 73.51 ||  194.8 || 121.3 || 0.2387 || 0.7058 ||  11.31 || 29.24
|-
|  26.11 || 6565 || 78.91 ||  190.7 || 111.8 || 0.2532 || 0.6894 ||  12.10 || 28.60
|-
|  27.22 || 6733 || 84.94 ||  186.0 || 101.1 || 0.2707 || 0.6720 ||  12.99 || 27.84
|-
|  28.33 || 6902 || 91.88 || 180.4 || 88.49 || 0.2923 || 0.6507 ||  14.00 || 26.95
|-
|  29.44 || 7081 || 100.4 || 173.1 || 72.72 || 0.3204 || 0.6209 ||  15.24 || 25.85
|-
|  30.00 || 7164 || 105.6 || 168.4 || 62.76 || 0.3378 || 0.5992 ||  16.01 || 25.15
|-
|  30.56 || 7253 || 112.3 || 162.3 || 50.04 || 0.3581 || 0.5661 ||  16.99 || 24.24
|-
|  31.1 || 7391 ||  ||  || 0.00 || 0.4641 || 0.4641 ||   ||
|- {{chembox header}}
! Temp.<br />°C !! ''P<sub>vap</sub>''<br />Vapor<br />pressure<br />[[Pascal (unit)|kPa]] !! ''H<sub>liq</sub>''<br />Heat<br />content<br />liquid<br />[[joule|J]]/g !! ''H<sub>vap</sub>''<br />Heat<br />content<br />vapor<br />[[joule|J]]/g !! Δ<sub>vap</sub>''H''<sup><s>o</s></sup><br />Heat of<br />vapor-<br />ization<br />[[joule|J]]/g !! ''ρ<sub>vap</sub>''<br />Density<br />of vapor<br />g/cm<sup>3</sup> !! ''ρ<sub>liq</sub>''<br />Density<br />of liquid<br />g/cm<sup>3</sup> !! ''S<sub>liq</sub>''<br />Entropy<br />liquid<br />[[joule|J]]/[[mole (unit)|mol]]-°C !! ''S<sub>vap</sub>''<br />Entropy<br />vapor<br />[[joule|J]]/[[mole (unit)|mol]]-°C
|}

== 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]]{{efn|Because nitrogen and oxygen are symmetrical and carbon dioxide and water vapor are not, the air in an infrared spectrophotometer may show absorbances for CO<sub>2</sub> and water. This is easily overcome by subtracting a blank spectrum from the experimental spectrum, and instruments are often purged with dry nitrogen as well.}}
|-
| Major absorption bands<ref name="MartinBarker1932">{{cite journal|last1=Martin|first1=P. E.|last2=Barker|first2=E. F.|title=The Infrared Absorption Spectrum of Carbon Dioxide|journal=Physical Review|volume=41|issue=3|year=1932|pages=291–303|issn=0031-899X|doi=10.1103/PhysRev.41.291|bibcode=1932PhRv...41..291M}}</ref><ref name="Ottonello-BrianoErrando-Herranz2019">{{cite journal|last1=Ottonello-Briano|first1=Floria|last2=Errando-Herranz|first2=Carlos|last3=Rödjegård|first3=Henrik|last4=Martin|first4=Hans|last5=Sohlström|first5=Hans|last6=Gylfason|first6=Kristinn B.|title=Carbon dioxide absorption spectroscopy with a mid-infrared silicon photonic waveguide|journal=Optics Letters|volume=45|issue=1|year=2019|pages=109|issn=0146-9592|doi=10.1364/OL.45.000109 |arxiv=1907.06967 |s2cid=196831810|url=http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-265603}}</ref><ref>{{Citation | last = Reichle | first = Henry G. | title = The Effect of Several Infrared Transparent Broadening Gases on the Absorption of Infrared Radiation in the 15 μm Band of Carbon Dioxide | publisher= High Altitude Engineering Laboratory  | pages = 43 | date = May 1969 | year = 1969 | url = https://ntrs.nasa.gov/api/citations/19690019487/downloads/19690019487.pdf | id = 19690019487}}</ref>
| 2347 and 667&nbsp;cm<sup>&minus;1</sup>
(4.26 and 14.99&nbsp;um)
|-
! {{chembox header}} | [[Nuclear magnetic resonance spectroscopy|NMR]]
|-
| [[Proton NMR]] <!-- Link to image of spectrum -->
| not applicable
|-
| [[Carbon-13 NMR]] <!-- Link to image of spectrum -->
| 125.0<ref name=reich13Cnmr>{{cite web|last1=Reich|first1=H. J.|title=C-13 Chemical Shifts|url=http://www.chem.wisc.edu/areas/reich/handouts/nmr-c13/cdata.htm|website=Organic Chem Info|publisher=University of Wisconsin|accessdate=31 May 2015|ref=reich13Cnmr|archive-url=https://web.archive.org/web/20150302024127/http://www.chem.wisc.edu/areas/reich/handouts/nmr-c13/cdata.htm|archive-date=2 March 2015|url-status=dead}}</ref>
|-
<!-- | Other NMR data 
|  -->
|-
! {{chembox header}} | [[Mass spectrometry|MS]]
|-
| Masses of main fragments
|  <!-- Give list of major fragments -->
|-
|}

==Notes==
{{notelist}}

==References==
{{reflist}}
*{{nist}}
{{Chemical data page general note}}

{{DEFAULTSORT:Carbon Dioxide (data page)}}
[[Category:Carbon dioxide]]
[[Category:Chemical data pages]]
[[Category:Chemical data pages cleanup]]