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EspañolMETHANOL (DATA PAGE)
This page provides supplementary chemical data on methanol.
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 is available at J.T. Baker.
{|
|-
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{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: white; border-collapse: collapse; border-color: #C0C090;"
|-
| | 'P in mm Hg'
| 1 || 10 || 40 || 100 || 400 || 760 || 1520 || 3800 || 7600 || 15200 || 30400|| 45600
|-
| | 'T in °C'
| –44.0 || –16.2 || 5.0 || 21.2 || 49.9 || 64.7 || 84.0 || 112.5 || 138.0 || 167.8 || 203.5 || 224.0
|}
Table data obtained from ''CRC Handbook of Chemistry and Physics'' 44th ed.
|-
|
{|
|
|
|}
|}
==Properties of aqueous methanol solutions==
Data obtained from ''Lange's Handbook of Chemistry'', 10th ed. and ''CRC Handbook of Chemistry and Physics'' 44th ed. The annotation, 'd a°C/b°C', indicates density of solution at temperature 'a' divided by density of pure water at temperature 'b'.
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: ; border-collapse: collapse; border-color: ;"
|-
| '% wt
methanol' || '% vol
methanol' || 'd 15.6°C/4°C' || 'd 0°C/4°C' || 'd 10°C/4°C' || 'd 20°C/4°C' || 'freezing
temp °C'
|-
| 0 || 0 || 0.99908 || 0.99984|| 0.99970 || 0.99820 || 0.0
|-
| 1 || 1.25 || 0.99728 || 0.9981 || 0.9980 || 0.9965 ||
|-
| 2 || 2.50 || 0.99543 || 0.9963 || 0.9962 || 0.9943 ||
|-
| 3 || 3.75 || 0.99370 || 0.9946 || 0.9945 || 0.9931 ||
|-
| 3.9 || 5 || 0.9938 || || || || –2.2
|-
| 4 || 4.99 || 0.99198 || 0.9930 || 0.9929 || 0.9914 ||
|-
| 5 || 6.22 || 0.99029 || 0.9914 || 0.9912 || 0.9896 ||
|-
| 6 || 7.45 || 0.98864 || 0.9899 || 0.9896 || 0.9880 ||
|-
| 7 || 8.68 || 0.98701 || 0.9884 || 0.9881 || 0.9863 ||
|-
| 8 || 9.91 || 0.98547 || 0.9870 || 0.9865 || 0.9847 ||
|-
| 8.1 || 10 || 0.9872 || || || || –5.0
|-
| 9 || 11.13 || 0.98547 || 0.9856 || 0.9849 || 0.9831 ||
|-
| 10 || 12.35 || 0.98241 || 0.9842 || 0.9834 || 0.9815 ||
|-
| 11 || 13.56 || 0.98093 || 0.9829 || 0.9820 || 0.9799 ||
|-
| 12 || 14.77 || 0.97945 || 0.9816 || 0.9805 || 0.9784 ||
|-
| 12.2 || 15 || 0.9810 || || || || –8.3
|-
| 13 || 15.98 || 0.97802 || 0.9804 || 0.9791 || 0.9768 ||
|-
| 14 || 17.18 || 0.97660 || 0.9792 || 0.9778 || 0.9754 ||
|-
| 15 || 18.38 || 0.97518 || 0.9780 || 0.9764 || 0.9740 ||
|-
| 16 || 19.58 || 0.97377 || 0.9769 || 0.9751 || 0.9725 ||
|-
| 16.4 || 20 || 0.975 || || || || –11.7
|-
| 17 || 20.77 || 0.97237 || 0.9758 || 0.9739 || 0.9710 ||
|-
| 18 || 21.96 || 0.97096 || 0.9747 || 0.9726 || 0.9696 ||
|-
| 19 || 23.15 || 0.96955 || 0.9736 || 0.9713 || 0.9681 ||
|-
| 20 || 24.33 || 0.96814 || 0.9725 || 0.9700 || 0.9666 ||
|-
| 20.6 || 25 || 0.968 || || || || –15.6
|-
| 21 || 25.51 || 0.96673 || 0.9714 || 0.9687 || 0.9651 ||
|-
| 22 || 26.69 || 0.96533 || 0.9702 || 0.9673 || 0.9636 ||
|-
| 23 || 27.86 || 0.96392 || 0.9690 || 0.9660 || 0.9622 ||
|-
| 24 || 29.03 || 0.96251 || 0.9678 || 0.9646 || 0.9607 ||
|-
| 24.9 || 30 || 0.964 || || || || –20.0
|-
| 25 || 30.19 || 0.96108 || 0.9666 || 0.9632 || 0.9592 ||
|-
| 26 || 31.35 || 0.95963 || 0.9654 || 0.9628 || 0.9576 ||
|-
| 27 || 32.51 || 0.95817 || 0.9642 || 0.9604 || 0.9562 ||
|-
| 28 || 33.66 || 0.95668 || 0.9629 || 0.9590 || 0.9546 ||
|-
| 29 || 34.81 || 0.95518 || 0.9616 || 0.9575 || 0.9531 ||
|-
| 29.2 || 35 || 0.957 || || || || –25.0
|-
| 30 || 35.95 || 0.95366 || 0.9604 || 0.9560 || 0.9515 ||
|-
| 31 || 37.09 || 0.95213 || 0.9590 || 0.9546 || 0.9499 ||
|-
| 32 || 38.22 || 0.95056 || 0.9576 || 0.9531 || 0.9483 ||
|-
| 33 || 39.35 || 0.94896 || 0.9563 || 0.9516 || 0.9466 ||
|-
| 33.6 || 40 || 0.950 || || || || –30.0
|-
| 34 || 40.48 || 0.94734 || 0.9549 || 0.9500 || 0.9450 ||
|-
| 35 || 41.59 || 0.94570 || 0.9534 || 0.9484 || 0.9433 ||
|-
| 36 || 42.71 || 0.94404 || 0.9520 || 0.9469 || 0.9416 ||
|-
| 37 || 43.82 || 0.94237 || 0.9505 || 0.9453 || 0.9398 ||
|-
| 38 || 44.92 || 0.94067 || 0.9490 || 0.9437 || 0.9381 || –35.6
|-
| 39 || 46.02 || 0.93894 || 0.9475 || 0.9420 || 0.9363 ||
|-
| 40 || 47.11 || 0.93720 || 0.9459 || 0.9403 || 0.9345 ||
|-
| 41 || 48.20 || 0.93543 || 0.9443 || 0.9387 || 0.9327 ||
|-
| 42 || 49.28 || 0.93365 || 0.9427 || 0.9370 || 0.9309 ||
|-
| 43 || 50.35 || 0.93185 || 0.9411 || 0.9352 || 0.9290 ||
|-
| 44 || 51.42 || 0.93001 || 0.9395 || 0.9334 || 0.9272 ||
|-
| 45 || 52.49 || 0.92815 || 0.9377 || 0.9316 || 0.9252 ||
|-
| 46 || 53.54 || 0.92627 || 0.9360 || 0.9298 || 0.9234 ||
|-
| 47 || 54.60 || 0.92436 || 0.9342 || 0.9279 || 0.9214 ||
|-
| 48 || 55.64 || 0.92242 || 0.9324 || 0.9260 || 0.9196 ||
|-
| 49 || 56.68 || 0.92048 || 0.9306 || 0.9240 || 0.9176 ||
|-
| 50 || 57.71 || 0.91852 || 0.9287 || 0.9221 || 0.9156 ||
|-
| 51 || 58.74 || 0.91653 || 0.9269 || 0.9202 || 0.9135 ||
|-
| 52 || 59.76 || 0.91451 || 0.9250 || 0.9182 || 0.9114 ||
|-
| 53 || 60.77 || 0.91248 || 0.9230 || 0.9162 || 0.9094 ||
|-
| 54 || 61.78 || 0.91044 || 0.9211 || 0.9142 || 0.9073 ||
|-
| 55 || 62.78 || 0.90839 || 0.9191 || 0.9122 || 0.9052 ||
|-
| 56 || 63.78 || 0.90631 || 0.9172 || 0.9101 || 0.9032 ||
|-
| 57 || 64.77 || 0.90421 || 0.9151 || 0.9080 || 0.9010 ||
|-
| 58 || 65.75 || 0.90210 || 0.9131 || 0.9060 || 0.8988 ||
|-
| 59 || 66.73 || 0.89996 || 0.9111 || 0.9039 || 0.8968 ||
|-
| 60 || 67.69 || 0.89781 || 0.9090 || 0.9018 || 0.8946 ||
|-
| 61 || 68.65 || 0.89563 || 0.9068 || 0.8998 || 0.8924 ||
|-
| 62 || 69.61 || 0.89341 || 0.9046 || 0.8977 || 0.8902 ||
|-
| 63 || 70.55 || 0.89117 || 0.9024 || 0.8955 || 0.8879 ||
|-
| 64 || 71.49 || 0.88890 || 0.9002 || 0.8933 || 0.8856 ||
|-
| 65 || 72.42 || 0.88662 || 0.8980 || 0.8911 || 0.8834 ||
|-
| 66 || 73.34 || 0.88433 || 0.8958 || 0.8888 || 0.8811 ||
|-
| 67 || 74.26 || 0.88203 || 0.8935 || 0.8865 || 0.8787 ||
|-
| 68 || 75.17 || 0.87971 || 0.8913 || 0.8842 || 0.8763 ||
|-
| 69 || 76.08 || 0.87739 || 0.8891 || 0.8818 || 0.8738 ||
|-
| 70 || 76.98 || 0.87507 || 0.8869 || 0.8794 || 0.8715 ||
|-
| 71 || 77.86 || 0.87271 || 0.8847 || 0.8770 || 0.8690 ||
|-
| 72 || 78.75 || 0.87033 || 0.8824 || 0.8747 || 0.8665 ||
|-
| 73 || 79.62 || 0.86792 || 0.8801 || 0.8724 || 0.8641 ||
|-
| 74 || 80.48 || 0.86546 || 0.8778 || 0.8699 || 0.8616 ||
|-
| 75 || 81.34 || 0.86300 || 0.8754 || 0.8676 || 0.8592 ||
|-
| 76 || 82.18 || 0.86051 || 0.8729 || 0.8651 || 0.8567 ||
|-
| 77 || 83.02 || 0.85801 || 0.8705 || 0.8626 || 0.8542 ||
|-
| 78 || 83.86 || 0.85551 || 0.8680 || 0.8602 || 0.8518 ||
|-
| 79 || 84.68 || 0.85300 || 0.8657 || 0.8577 || 0.8494 ||
|-
| 80 || 85.50 || 0.85048 || 0.8634 || 0.8551 || 0.8469 ||
|-
| 81 || 86.31 || 0.84794 || 0.8610 || 0.8527 || 0.8446 ||
|-
| 82 || 87.11 || 0.84536 || 0.8585 || 0.8501 || 0.8420 ||
|-
| 83 || 87.90 || 0.84274 || 0.8560 || 0.8475 || 0.8394 ||
|-
| 84 || 88.68 || 0.84009 || 0.8535 || 0.8449 || 0.8366 ||
|-
| 85 || 89.45 || 0.83742 || 0.8510 || 0.8422 || 0.8340 ||
|-
| 86 || 90.21 || 0.83475 || 0.8483 || 0.8394 || 0.8314 ||
|-
| 87 || 90.97 || 0.83207 || 0.8456 || 0.8367 || 0.8286 ||
|-
| 88 || 91.72 || 0.82937 || 0.8428 || 0.8340 || 0.8258 ||
|-
| 89 || 92.46 || 0.82667 || 0.8400 || 0.8314 || 0.8230 ||
|-
| 90 || 93.19 || 0.82396 || 0.8374 || 0.8287 || 0.8202 ||
|-
| 91 || 93.92 || 0.82124 || 0.8347 || 0.8261 || 0.8174 ||
|-
| 92 || 94.63 || 0.81849 || 0.8320 || 0.8234 || 0.8146 ||
|-
| 93 || 95.33 || 0.81568 || 0.8293 || 0.8208 || 0.8118 ||
|-
| 94 || 96.02 || 0.81285 || 0.8266 || 0.8180 || 0.8090 ||
|-
| 95 || 96.70 || 0.80999 || 0.8240 || 0.8152 || 0.8062 ||
|-
| 96 || 97.37 || 0.80713 || 0.8212 || 0.8124 || 0.8034 ||
|-
| 97 || 98.04 || 0.80428 || 0.8186 || 0.8096 || 0.8005 ||
|-
| 98 || 98.70 || 0.80143 || 0.8158 || 0.8068 || 0.7976 ||
|-
| 99 || 99.35 || 0.79859 || 0.8130 || 0.8040 || 0.7948 ||
|-
| 100 || 100 || 0.79577 || 0.8102 || 0.8009 || 0.7917 || –97.8
|-
| '% wt
methanol' || '% vol
methanol' || 'd 15.6°C/4°C' || 'd 0°C/4°C' || 'd 10°C/4°C' || 'd 20°C/4°C' || 'freezing
temp °C'
|}
{|
|- valign="top"
|
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: ; border-collapse: collapse; border-color: ;"
|-
| bgcolor="#D0D0D0" align=center colspan="3" | 'Vapor-Liquid Equilibrium
of Methanol/Water'[7]
''P'' = 760 mm Hg; ''T'' = 72.4°C - 100.0°C
|-
! rowspan="2" | BP
Temp.
°C
! colspan="2" | % by mole methanol
|-
! liquid !! vapor
|-
| 100.00 || 0.0 || 0.0
|-
| 99.25 || 0.5840 || 4.5705
|-
| 96.9 || 1.2 || 11.4
|-
| 95.7 || 2.6 || 15.7
|-
| 92.2 || 5.0 || 29.3
|-
| 90.15 || 7.38 || 36.65
|-
| 87.5 || 10.2 || 43.0
|-
| 86.50 || 11.76 || 48.55
|-
| 84.8 || 14.0 || 51.4
|-
| 84.3 || 15.0 || 52.2
|-
| 82.9 || 17.5 || 56.0
|-
| 81.5 || 20.0 || 59.0
|-
| 78.0 || 30.0 || 67.5
|-
| 75.4 || 40.0 || 73.5
|-
| 73.7 || 47.3 || 76.5
|-
| 72.6 || 52.6 || 79.4
|-
| 72.4 || 54.0 || 80.1
|-
|}
|
|
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: ; border-collapse: collapse; border-color: ;"
|-
| bgcolor="#D0D0D0" align=center colspan="3" | 'Vapor-Liquid Equilibrium
of Methanol/Water'
''P'' = 760 mm Hg; ''T'' = 64.6°C - 72.0°C
|-
! rowspan="2" | BP
Temp.
°C
! colspan="2" | % by mole methanol
|-
! liquid !! vapor
|-
| 72.0 || 56.5 || 80.5
|-
| 71.5 || 58.5 || 81.6
|-
| 71.4 || 60.0 || 83.1
|-
| 70.6 || 66.2 || 85.7
|-
| 69.9 || 67.5 || 86.5
|-
| 69.6 || 70.0 || 87.4
|-
| 69.1 || 71.4 || 87.8
|-
| 67.8 || 80.0 || 91.8
|-
| 66.9 || 85.0 || 93.0
|-
| 66.50 || 88.08 || 94.17
|-
| 66.2 || 89.0 || 95.6
|-
| 66.1 || 90.0 || 96.1
|-
| 65.7 || 92.0 || 96.5
|-
| 65.4 || 95.0 || 98.1
|-
| 64.95 || 96.57 || 95.69
|-
| 64.70 || 98.71 || 97.78
|-
| 64.6 || 100.0 || 100.0
|-
|}
|
|
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: ; border-collapse: collapse; border-color: ;"
|-
| bgcolor="#D0D0D0" align=center colspan="3" | 'Vapor-Liquid Equilibrium
of Methanol/Ethanol'
''P'' = 760 mm Hg
|-
! rowspan="2" | BP
Temp.
°C
! colspan="2" | % by mole methanol
|-
! liquid !! vapor
|-
| 78.3 || 0.0 || 0.0
|-
| 76.6 || 13.4 || 18.3
|-
| 75.0 || 24.2 || 32.6
|-
| 73.6 || 32.0 || 42.8
|-
| 72.3 || 40.1 || 52.9
|-
| 71.7 || 43.5 || 56.6
|-
| 70.0 || 54.2 || 67.6
|-
| 68.6 || 65.2 || 75.9
|-
| 67.7 || 72.8 || 81.3
|-
| 66.9 || 79.0 || 85.8
|-
| 66.6 || 81.4 || 87.5
|-
| 65.8 || 87.3 || 91.9
|-
| 65.6 || 91.0 || 93.7
|-
| 64.6 || 100.0 || 100.0
|-
|}
|}
1. http://nmr.chem.umn.edu/ResReports/NMR002.html
2. ''Lange's Handbook of Chemistry'', 10th ed. pp1669-1674
3. ''Lange's Handbook of Chemistry'' 10th ed, pp 1525-1528
4. ''CRC Handbook of Chemistry and Physics'' 44th ed. pp 2582-2584
5. ''Lange's Handbook of Chemistry'' 10th ed, pp 1522-1524
6. Spectral Database forOrganic Compounds
7. Binary Vapor-Liquid Equilibrium Data
★ (sample table of physical properties)
★ Properties of pure Methanol
Except where noted otherwise, data relate to standard ambient temperature and pressure.
applies.
| Contents |
| Material Safety Data Sheet |
| Structure and properties |
| Thermodynamic properties |
| Spectral data |
| Vapor pressure of liquid |
| Distillation data |
| References |
| External links |
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 is available at J.T. Baker.
Structure and properties
| Structure and properties | |
|---|---|
| Index of refraction, ''n''D | 1.328 at 20°C |
| Dielectric constant, εr | 32.66 at 20°C |
| Bond strength | ? |
| Bond length | ? |
| Bond angle | ? |
| Magnetic susceptibility[1] | 5.3·10-7 (cgs units, volume) |
| Surface tension | 22.5 dyn/cm at 20°C |
| Viscosity[2] | 0.808 mPa·s at 0°C 0.690 mPa·s at 10°C 0.593 mPa·s at 20°C 0.449 mPa·s at 40°C 0.349 mPa·s at 60°C |
Thermodynamic properties
| Phase behavior | |
|---|---|
| Triple point | 175.5 K (−97.7 °C), ? Pa |
| Critical point | 513 K (240 °C), 78.5 bar |
| Std enthalpy change of fusion, Δfus''H'' | ? kJ/mol |
| Std entropy change of fusion, Δfus''S'' | ? J/(mol·K) |
| Std enthalpy change of vaporization, Δvap''H'' | +37.4 kJ/mol |
| Std entropy change of vaporization, Δvap''S'' | ? J/(mol·K) |
| Solid properties | |
| Std enthalpy change of formation, Δf''H'' | ? kJ/mol |
| Standard molar entropy, ''S'' | ? J/(mol K) |
| Heat capacity, ''cp'' | ? J/(mol K) |
| Liquid properties | |
| Std enthalpy change of formation, Δf''H'' | −238.4 kJ/mol |
| Standard molar entropy, ''S'' | 127.2 J/(mol K) |
| Enthalpy of combustion Δc''H'' | –715.0 kJ/mol |
| Heat capacity, ''cp'' | 79.5 J/(mol K) |
| Gas properties | |
| Std enthalpy change of formation, Δf''H'' | −201 kJ/mol |
| Standard molar entropy, ''S'' | 239.9 J/(mol K) |
| Heat capacity,[3][4] ''cp'' | 52.29 J/(mol K) at 77°C 61.43 J/(mol K) at 100-223°C |
| Heat capacity ratio, ''γ'' = ''cp''/''cv'' | 1.203 at 77°C |
| van der Waals' constants[5] | a = 964.9 L2 kPa/mol2 b = 0.06702 liter per mole |
Spectral data
| UV-Vis | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| λmax | ? nm | ||||||||||||||||||||||||
| Extinction coefficient, ε | ? | ||||||||||||||||||||||||
| IR | |||||||||||||||||||||||||
| Major absorption bands[6] |
| ||||||||||||||||||||||||
| NMR | |||||||||||||||||||||||||
| Proton NMR | |||||||||||||||||||||||||
| Carbon-13 NMR | |||||||||||||||||||||||||
| Other NMR data | |||||||||||||||||||||||||
| MS | |||||||||||||||||||||||||
| Masses of main fragments | |||||||||||||||||||||||||
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;"
|-
| | 'P in mm Hg'
| 1 || 10 || 40 || 100 || 400 || 760 || 1520 || 3800 || 7600 || 15200 || 30400|| 45600
|-
| | 'T in °C'
| –44.0 || –16.2 || 5.0 || 21.2 || 49.9 || 64.7 || 84.0 || 112.5 || 138.0 || 167.8 || 203.5 || 224.0
|}
Table data obtained from ''CRC Handbook of Chemistry and Physics'' 44th ed.
|-
|
{|
|
|
Log10 of methanol vapor pressure vs. temperature. Uses formula: from ''Lange's Handbook of Chemistry'' 10th ed.
|}
|}
==Properties of aqueous methanol solutions==
Data obtained from ''Lange's Handbook of Chemistry'', 10th ed. and ''CRC Handbook of Chemistry and Physics'' 44th ed. The annotation, 'd a°C/b°C', indicates density of solution at temperature 'a' divided by density of pure water at temperature 'b'.
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: ; border-collapse: collapse; border-color: ;"
|-
| '% wt
methanol' || '% vol
methanol' || 'd 15.6°C/4°C' || 'd 0°C/4°C' || 'd 10°C/4°C' || 'd 20°C/4°C' || 'freezing
temp °C'
|-
| 0 || 0 || 0.99908 || 0.99984|| 0.99970 || 0.99820 || 0.0
|-
| 1 || 1.25 || 0.99728 || 0.9981 || 0.9980 || 0.9965 ||
|-
| 2 || 2.50 || 0.99543 || 0.9963 || 0.9962 || 0.9943 ||
|-
| 3 || 3.75 || 0.99370 || 0.9946 || 0.9945 || 0.9931 ||
|-
| 3.9 || 5 || 0.9938 || || || || –2.2
|-
| 4 || 4.99 || 0.99198 || 0.9930 || 0.9929 || 0.9914 ||
|-
| 5 || 6.22 || 0.99029 || 0.9914 || 0.9912 || 0.9896 ||
|-
| 6 || 7.45 || 0.98864 || 0.9899 || 0.9896 || 0.9880 ||
|-
| 7 || 8.68 || 0.98701 || 0.9884 || 0.9881 || 0.9863 ||
|-
| 8 || 9.91 || 0.98547 || 0.9870 || 0.9865 || 0.9847 ||
|-
| 8.1 || 10 || 0.9872 || || || || –5.0
|-
| 9 || 11.13 || 0.98547 || 0.9856 || 0.9849 || 0.9831 ||
|-
| 10 || 12.35 || 0.98241 || 0.9842 || 0.9834 || 0.9815 ||
|-
| 11 || 13.56 || 0.98093 || 0.9829 || 0.9820 || 0.9799 ||
|-
| 12 || 14.77 || 0.97945 || 0.9816 || 0.9805 || 0.9784 ||
|-
| 12.2 || 15 || 0.9810 || || || || –8.3
|-
| 13 || 15.98 || 0.97802 || 0.9804 || 0.9791 || 0.9768 ||
|-
| 14 || 17.18 || 0.97660 || 0.9792 || 0.9778 || 0.9754 ||
|-
| 15 || 18.38 || 0.97518 || 0.9780 || 0.9764 || 0.9740 ||
|-
| 16 || 19.58 || 0.97377 || 0.9769 || 0.9751 || 0.9725 ||
|-
| 16.4 || 20 || 0.975 || || || || –11.7
|-
| 17 || 20.77 || 0.97237 || 0.9758 || 0.9739 || 0.9710 ||
|-
| 18 || 21.96 || 0.97096 || 0.9747 || 0.9726 || 0.9696 ||
|-
| 19 || 23.15 || 0.96955 || 0.9736 || 0.9713 || 0.9681 ||
|-
| 20 || 24.33 || 0.96814 || 0.9725 || 0.9700 || 0.9666 ||
|-
| 20.6 || 25 || 0.968 || || || || –15.6
|-
| 21 || 25.51 || 0.96673 || 0.9714 || 0.9687 || 0.9651 ||
|-
| 22 || 26.69 || 0.96533 || 0.9702 || 0.9673 || 0.9636 ||
|-
| 23 || 27.86 || 0.96392 || 0.9690 || 0.9660 || 0.9622 ||
|-
| 24 || 29.03 || 0.96251 || 0.9678 || 0.9646 || 0.9607 ||
|-
| 24.9 || 30 || 0.964 || || || || –20.0
|-
| 25 || 30.19 || 0.96108 || 0.9666 || 0.9632 || 0.9592 ||
|-
| 26 || 31.35 || 0.95963 || 0.9654 || 0.9628 || 0.9576 ||
|-
| 27 || 32.51 || 0.95817 || 0.9642 || 0.9604 || 0.9562 ||
|-
| 28 || 33.66 || 0.95668 || 0.9629 || 0.9590 || 0.9546 ||
|-
| 29 || 34.81 || 0.95518 || 0.9616 || 0.9575 || 0.9531 ||
|-
| 29.2 || 35 || 0.957 || || || || –25.0
|-
| 30 || 35.95 || 0.95366 || 0.9604 || 0.9560 || 0.9515 ||
|-
| 31 || 37.09 || 0.95213 || 0.9590 || 0.9546 || 0.9499 ||
|-
| 32 || 38.22 || 0.95056 || 0.9576 || 0.9531 || 0.9483 ||
|-
| 33 || 39.35 || 0.94896 || 0.9563 || 0.9516 || 0.9466 ||
|-
| 33.6 || 40 || 0.950 || || || || –30.0
|-
| 34 || 40.48 || 0.94734 || 0.9549 || 0.9500 || 0.9450 ||
|-
| 35 || 41.59 || 0.94570 || 0.9534 || 0.9484 || 0.9433 ||
|-
| 36 || 42.71 || 0.94404 || 0.9520 || 0.9469 || 0.9416 ||
|-
| 37 || 43.82 || 0.94237 || 0.9505 || 0.9453 || 0.9398 ||
|-
| 38 || 44.92 || 0.94067 || 0.9490 || 0.9437 || 0.9381 || –35.6
|-
| 39 || 46.02 || 0.93894 || 0.9475 || 0.9420 || 0.9363 ||
|-
| 40 || 47.11 || 0.93720 || 0.9459 || 0.9403 || 0.9345 ||
|-
| 41 || 48.20 || 0.93543 || 0.9443 || 0.9387 || 0.9327 ||
|-
| 42 || 49.28 || 0.93365 || 0.9427 || 0.9370 || 0.9309 ||
|-
| 43 || 50.35 || 0.93185 || 0.9411 || 0.9352 || 0.9290 ||
|-
| 44 || 51.42 || 0.93001 || 0.9395 || 0.9334 || 0.9272 ||
|-
| 45 || 52.49 || 0.92815 || 0.9377 || 0.9316 || 0.9252 ||
|-
| 46 || 53.54 || 0.92627 || 0.9360 || 0.9298 || 0.9234 ||
|-
| 47 || 54.60 || 0.92436 || 0.9342 || 0.9279 || 0.9214 ||
|-
| 48 || 55.64 || 0.92242 || 0.9324 || 0.9260 || 0.9196 ||
|-
| 49 || 56.68 || 0.92048 || 0.9306 || 0.9240 || 0.9176 ||
|-
| 50 || 57.71 || 0.91852 || 0.9287 || 0.9221 || 0.9156 ||
|-
| 51 || 58.74 || 0.91653 || 0.9269 || 0.9202 || 0.9135 ||
|-
| 52 || 59.76 || 0.91451 || 0.9250 || 0.9182 || 0.9114 ||
|-
| 53 || 60.77 || 0.91248 || 0.9230 || 0.9162 || 0.9094 ||
|-
| 54 || 61.78 || 0.91044 || 0.9211 || 0.9142 || 0.9073 ||
|-
| 55 || 62.78 || 0.90839 || 0.9191 || 0.9122 || 0.9052 ||
|-
| 56 || 63.78 || 0.90631 || 0.9172 || 0.9101 || 0.9032 ||
|-
| 57 || 64.77 || 0.90421 || 0.9151 || 0.9080 || 0.9010 ||
|-
| 58 || 65.75 || 0.90210 || 0.9131 || 0.9060 || 0.8988 ||
|-
| 59 || 66.73 || 0.89996 || 0.9111 || 0.9039 || 0.8968 ||
|-
| 60 || 67.69 || 0.89781 || 0.9090 || 0.9018 || 0.8946 ||
|-
| 61 || 68.65 || 0.89563 || 0.9068 || 0.8998 || 0.8924 ||
|-
| 62 || 69.61 || 0.89341 || 0.9046 || 0.8977 || 0.8902 ||
|-
| 63 || 70.55 || 0.89117 || 0.9024 || 0.8955 || 0.8879 ||
|-
| 64 || 71.49 || 0.88890 || 0.9002 || 0.8933 || 0.8856 ||
|-
| 65 || 72.42 || 0.88662 || 0.8980 || 0.8911 || 0.8834 ||
|-
| 66 || 73.34 || 0.88433 || 0.8958 || 0.8888 || 0.8811 ||
|-
| 67 || 74.26 || 0.88203 || 0.8935 || 0.8865 || 0.8787 ||
|-
| 68 || 75.17 || 0.87971 || 0.8913 || 0.8842 || 0.8763 ||
|-
| 69 || 76.08 || 0.87739 || 0.8891 || 0.8818 || 0.8738 ||
|-
| 70 || 76.98 || 0.87507 || 0.8869 || 0.8794 || 0.8715 ||
|-
| 71 || 77.86 || 0.87271 || 0.8847 || 0.8770 || 0.8690 ||
|-
| 72 || 78.75 || 0.87033 || 0.8824 || 0.8747 || 0.8665 ||
|-
| 73 || 79.62 || 0.86792 || 0.8801 || 0.8724 || 0.8641 ||
|-
| 74 || 80.48 || 0.86546 || 0.8778 || 0.8699 || 0.8616 ||
|-
| 75 || 81.34 || 0.86300 || 0.8754 || 0.8676 || 0.8592 ||
|-
| 76 || 82.18 || 0.86051 || 0.8729 || 0.8651 || 0.8567 ||
|-
| 77 || 83.02 || 0.85801 || 0.8705 || 0.8626 || 0.8542 ||
|-
| 78 || 83.86 || 0.85551 || 0.8680 || 0.8602 || 0.8518 ||
|-
| 79 || 84.68 || 0.85300 || 0.8657 || 0.8577 || 0.8494 ||
|-
| 80 || 85.50 || 0.85048 || 0.8634 || 0.8551 || 0.8469 ||
|-
| 81 || 86.31 || 0.84794 || 0.8610 || 0.8527 || 0.8446 ||
|-
| 82 || 87.11 || 0.84536 || 0.8585 || 0.8501 || 0.8420 ||
|-
| 83 || 87.90 || 0.84274 || 0.8560 || 0.8475 || 0.8394 ||
|-
| 84 || 88.68 || 0.84009 || 0.8535 || 0.8449 || 0.8366 ||
|-
| 85 || 89.45 || 0.83742 || 0.8510 || 0.8422 || 0.8340 ||
|-
| 86 || 90.21 || 0.83475 || 0.8483 || 0.8394 || 0.8314 ||
|-
| 87 || 90.97 || 0.83207 || 0.8456 || 0.8367 || 0.8286 ||
|-
| 88 || 91.72 || 0.82937 || 0.8428 || 0.8340 || 0.8258 ||
|-
| 89 || 92.46 || 0.82667 || 0.8400 || 0.8314 || 0.8230 ||
|-
| 90 || 93.19 || 0.82396 || 0.8374 || 0.8287 || 0.8202 ||
|-
| 91 || 93.92 || 0.82124 || 0.8347 || 0.8261 || 0.8174 ||
|-
| 92 || 94.63 || 0.81849 || 0.8320 || 0.8234 || 0.8146 ||
|-
| 93 || 95.33 || 0.81568 || 0.8293 || 0.8208 || 0.8118 ||
|-
| 94 || 96.02 || 0.81285 || 0.8266 || 0.8180 || 0.8090 ||
|-
| 95 || 96.70 || 0.80999 || 0.8240 || 0.8152 || 0.8062 ||
|-
| 96 || 97.37 || 0.80713 || 0.8212 || 0.8124 || 0.8034 ||
|-
| 97 || 98.04 || 0.80428 || 0.8186 || 0.8096 || 0.8005 ||
|-
| 98 || 98.70 || 0.80143 || 0.8158 || 0.8068 || 0.7976 ||
|-
| 99 || 99.35 || 0.79859 || 0.8130 || 0.8040 || 0.7948 ||
|-
| 100 || 100 || 0.79577 || 0.8102 || 0.8009 || 0.7917 || –97.8
|-
| '% wt
methanol' || '% vol
methanol' || 'd 15.6°C/4°C' || 'd 0°C/4°C' || 'd 10°C/4°C' || 'd 20°C/4°C' || 'freezing
temp °C'
|}
Distillation data
{|
|- valign="top"
|
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: ; border-collapse: collapse; border-color: ;"
|-
| bgcolor="#D0D0D0" align=center colspan="3" | 'Vapor-Liquid Equilibrium
of Methanol/Water'[7]
''P'' = 760 mm Hg; ''T'' = 72.4°C - 100.0°C
|-
! rowspan="2" | BP
Temp.
°C
! colspan="2" | % by mole methanol
|-
! liquid !! vapor
|-
| 100.00 || 0.0 || 0.0
|-
| 99.25 || 0.5840 || 4.5705
|-
| 96.9 || 1.2 || 11.4
|-
| 95.7 || 2.6 || 15.7
|-
| 92.2 || 5.0 || 29.3
|-
| 90.15 || 7.38 || 36.65
|-
| 87.5 || 10.2 || 43.0
|-
| 86.50 || 11.76 || 48.55
|-
| 84.8 || 14.0 || 51.4
|-
| 84.3 || 15.0 || 52.2
|-
| 82.9 || 17.5 || 56.0
|-
| 81.5 || 20.0 || 59.0
|-
| 78.0 || 30.0 || 67.5
|-
| 75.4 || 40.0 || 73.5
|-
| 73.7 || 47.3 || 76.5
|-
| 72.6 || 52.6 || 79.4
|-
| 72.4 || 54.0 || 80.1
|-
|}
|
|
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: ; border-collapse: collapse; border-color: ;"
|-
| bgcolor="#D0D0D0" align=center colspan="3" | 'Vapor-Liquid Equilibrium
of Methanol/Water'
''P'' = 760 mm Hg; ''T'' = 64.6°C - 72.0°C
|-
! rowspan="2" | BP
Temp.
°C
! colspan="2" | % by mole methanol
|-
! liquid !! vapor
|-
| 72.0 || 56.5 || 80.5
|-
| 71.5 || 58.5 || 81.6
|-
| 71.4 || 60.0 || 83.1
|-
| 70.6 || 66.2 || 85.7
|-
| 69.9 || 67.5 || 86.5
|-
| 69.6 || 70.0 || 87.4
|-
| 69.1 || 71.4 || 87.8
|-
| 67.8 || 80.0 || 91.8
|-
| 66.9 || 85.0 || 93.0
|-
| 66.50 || 88.08 || 94.17
|-
| 66.2 || 89.0 || 95.6
|-
| 66.1 || 90.0 || 96.1
|-
| 65.7 || 92.0 || 96.5
|-
| 65.4 || 95.0 || 98.1
|-
| 64.95 || 96.57 || 95.69
|-
| 64.70 || 98.71 || 97.78
|-
| 64.6 || 100.0 || 100.0
|-
|}
|
|
{| border="1" cellspacing="0" cellpadding="6" style="margin: 0 0 0 0.5em; background: ; border-collapse: collapse; border-color: ;"
|-
| bgcolor="#D0D0D0" align=center colspan="3" | 'Vapor-Liquid Equilibrium
of Methanol/Ethanol'
''P'' = 760 mm Hg
|-
! rowspan="2" | BP
Temp.
°C
! colspan="2" | % by mole methanol
|-
! liquid !! vapor
|-
| 78.3 || 0.0 || 0.0
|-
| 76.6 || 13.4 || 18.3
|-
| 75.0 || 24.2 || 32.6
|-
| 73.6 || 32.0 || 42.8
|-
| 72.3 || 40.1 || 52.9
|-
| 71.7 || 43.5 || 56.6
|-
| 70.0 || 54.2 || 67.6
|-
| 68.6 || 65.2 || 75.9
|-
| 67.7 || 72.8 || 81.3
|-
| 66.9 || 79.0 || 85.8
|-
| 66.6 || 81.4 || 87.5
|-
| 65.8 || 87.3 || 91.9
|-
| 65.6 || 91.0 || 93.7
|-
| 64.6 || 100.0 || 100.0
|-
|}
|}
References
1. http://nmr.chem.umn.edu/ResReports/NMR002.html
2. ''Lange's Handbook of Chemistry'', 10th ed. pp1669-1674
3. ''Lange's Handbook of Chemistry'' 10th ed, pp 1525-1528
4. ''CRC Handbook of Chemistry and Physics'' 44th ed. pp 2582-2584
5. ''Lange's Handbook of Chemistry'' 10th ed, pp 1522-1524
6. Spectral Database forOrganic Compounds
7. Binary Vapor-Liquid Equilibrium Data
★ (sample table of physical properties)
External links
★ Properties of pure Methanol
Except where noted otherwise, data relate to standard ambient temperature and pressure.
applies.
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