Carrier generation and recombination
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This page provides supplementary chemical data on ethanol. Except where noted otherwise, data relate to standard ambient temperature and pressure.
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 and follow its directions.
Structure and properties
Structure and properties | |||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Index of refraction, n25 | 1.361 | ||||||||||||||||||||||||||||||||||||||
Dielectric constant, εr | 24.3 ε0 at 25 °C | ||||||||||||||||||||||||||||||||||||||
Bond strength | ? | ||||||||||||||||||||||||||||||||||||||
Bond length | ? | ||||||||||||||||||||||||||||||||||||||
Bond angle | ? | ||||||||||||||||||||||||||||||||||||||
Magnetic susceptibility[1] | 5.8·10−7 (cgs units, volume) | ||||||||||||||||||||||||||||||||||||||
Surface tension | 22.39 dyn/cm at 25 °C | ||||||||||||||||||||||||||||||||||||||
Viscosity[2] |
|
Thermodynamic properties
Phase behavior | |
---|---|
Triple point | 150 K (−123 °C), 0.00043 Pa |
Critical point | 514 K (241 °C), 63 bar |
Std enthalpy change of fusion, ΔfusH |
+4.9 kJ/mol |
Std entropy change of fusion, ΔfusS |
+31 J/(mol·K) |
Std enthalpy change of vaporization, ΔvapH |
+38.56 kJ/mol |
Std entropy change of vaporization, ΔvapS |
109.67 J/(mol·K) |
Molal freezing point constant | –1.99 °C kg/mol |
Molal boiling point constant | 1.19 °C kg/mol |
Solid properties | |
Std enthalpy change of formation, ΔfH |
–277.7 kJ/mol |
Standard molar entropy, S |
160.7 J/(mol K)[3] |
Heat capacity, cp | 111.46 J/(mol K) [3] |
Liquid properties | |
Std enthalpy change of formation, ΔfH |
−277.38 kJ/mol |
Standard molar entropy, S |
159.9 J/(mol K) |
Enthalpy of combustion, ΔcH |
–1370.7 kJ/mol |
Heat capacity, cp | 112.4 J/(mol K) |
Gas properties | |
Std enthalpy change of formation, ΔfH |
−235.3 kJ/mol |
Standard molar entropy, S |
283 J/(mol K) |
Heat capacity,[4][5] cp | 78.28 J/(mol K) at 90 °C 87.53 J/(mol K) at 110-220 °C |
Heat capacity ratio,[4][5] γ = cp/cv |
1.13 at 90 °C |
van der Waals' constants[6] | a = 1217.9 L2 kPa/mol2 b = 0.08407 liter per mole |
Spectral data
UV-Vis | |||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
λmax | ? nm | ||||||||||||||||||||||||||||
Extinction coefficient, ε | ? | ||||||||||||||||||||||||||||
IR | |||||||||||||||||||||||||||||
Major absorption bands[7] |
| ||||||||||||||||||||||||||||
NMR | |||||||||||||||||||||||||||||
Proton NMR | |||||||||||||||||||||||||||||
Carbon-13 NMR | http://riodb01.ibase.aist.go.jp/sdbs/cgi-bin/IMG.cgi?fname=CDS00245&imgdir=cdsW; | ||||||||||||||||||||||||||||
Other NMR data | |||||||||||||||||||||||||||||
MS | |||||||||||||||||||||||||||||
Masses of main fragments |
Vapor pressure of liquid
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Density of ethanol at various temperatures (kg/l or g/cm3)
Data obtained from Lange's Handbook of Chemistry, 10th ed.
3 °C | 0.80374 | 16 °C | 0.79283 | 29 °C | 0.78182 |
4 °C | 0.80290 | 17 °C | 0.79198 | 30 °C | 0.78097 |
5 °C | 0.80207 | 18 °C | 0.79114 | 31 °C | 0.78012 |
6 °C | 0.80123 | 19 °C | 0.79029 | 32 °C | 0.77927 |
7 °C | 0.80039 | 20 °C | 0.78945 | 33 °C | 0.77841 |
8 °C | 0.79956 | 21 °C | 0.78860 | 34 °C | 0.77756 |
9 °C | 0.79872 | 22 °C | 0.78775 | 35 °C | 0.77671 |
10 °C | 0.79788 | 23 °C | 0.78691 | 36 °C | 0.77585 |
11 °C | 0.79704 | 24 °C | 0.78606 | 37 °C | 0.77500 |
12 °C | 0.79620 | 25 °C | 0.78522 | 38 °C | 0.77414 |
39 °C | 0.77329 | 40 °C | 0.77244 |
These data correlate as Density (g/cm3) = -8.461834E-4 T( °C) + 0.8063372 with an R2 coefficient of determination of 0.99999.
Properties of aqueous ethanol solutions
Data obtained from Lange's Handbook of Chemistry, 10th ed. The annotation, d a °C/b °C, indicates density of solution at temperature a divided by density of pure water at temperature b.
% wt ethanol |
% vol ethanol |
grams ethanol per 100 cc 15.56 °C |
d 10 °C/4 °C | d 20 °C/4 °C | d 25 °C/4 °C | d 30 °C/4 °C | d 20 °C/20 °C | d 25 °C/25 °C | freezing temp. |
0.0 | 0.0 | 0.0 | 0.99973 | 0.99823 | 0.99708 | 0.99568 | 1.00000 | 1.00000 | 0 °C |
1.0 | 0.99785 | 0.99636 | 0.99520 | 0.99379 | 0.99813 | 0.99811 | |||
2.0 | 0.99602 | 0.99453 | 0.99336 | 0.99194 | 0.99629 | 0.99627 | |||
2.5 | 3.13 | 0.99363 | –1 °C | ||||||
3.0 | 0.99426 | 0.99275 | 0.99157 | 0.99014 | 0.99451 | 0.99447 | |||
4.0 | 5.00 | 3.97 | 0.99258 | 0.99103 | 0.98984 | 0.98839 | 0.99279 | 0.99274 | |
4.8 | 6.00 | 4.76 | 0.98971 | –2 °C | |||||
5.0 | 0.99098 | 0.98938 | 0.98817 | 0.98670 | 0.99113 | 0.99106 | |||
5.05 | 6.30 | 5.00 | 0.98930 | ||||||
6.0 | 0.98946 | 0.98780 | 0.98656 | 0.98507 | 0.98955 | 0.98945 | |||
6.8 | 8.47 | 0.98658 | –3 °C | ||||||
7.0 | 0.98801 | 0.98627 | 0.98500 | 0.98347 | 0.98802 | 0.98788 | |||
8.0 | 0.98660 | 0.98478 | 0.98346 | 0.98189 | 0.98653 | 0.98634 | |||
9.0 | 0.98524 | 0.98331 | 0.98193 | 0.98031 | 0.98505 | 0.98481 | |||
10.0 | 12.40 | 9.84 | 0.98393 | 0.98187 | 0.98043 | 0.97575 | 0.98361 | 0.98330 | |
11.0 | 0.98267 | 0.98047 | 0.97897 | 0.97723 | 0.98221 | 0.98184 | |||
11.3 | 14.0 | 11.11 | 0.98006 | –5 °C | |||||
12.0 | 0.98145 | 0.97910 | 0.97753 | 0.97573 | 0.98084 | 0.98039 | |||
13.0 | 0.98026 | 0.97775 | 0.97611 | 0.97424 | 0.97948 | 0.97897 | |||
13.78 | 17.00 | 13.49 | –6.1 °C | ||||||
14.0 | 0.97911 | 0.97643 | 0.97472 | 0.97278 | 0.97816 | 0.97757 | |||
15.0 | 0.97800 | 0.97514 | 0.97334 | 0.97133 | 0.97687 | 0.97619 | |||
15.02 | 18.50 | 14.68 | 0.97511 | ||||||
16.0 | 0.97692 | 0.97387 | 0.97199 | 0.96990 | 0.97560 | 0.97484 | |||
16.4 | 20.2 | 0.97336 | –7.5 °C | ||||||
17.0 | 0.97583 | 0.97259 | 0.97062 | 0.96844 | 0.97431 | 0.97346 | |||
17.5 | 21.5 | 0.97194 | –8.7 °C | ||||||
18.0 | 22.10 | 17.54 | 0.97473 | 0.97129 | 0.96923 | 0.96697 | 0.97301 | 0.97207 | |
18.8 | 23.1 | 0.97024 | –9.4 °C | ||||||
19.0 | 0.97363 | 0.96997 | 0.96782 | 0.96547 | 0.97169 | 0.97065 | |||
20.0 | 0.97252 | 0.96864 | 0.96639 | 0.96395 | 0.97036 | 0.96922 | |||
20.01 | 24.50 | 19.44 | 0.96863 | ||||||
20.3 | 24.8 | 0.96823 | –10.6 °C | ||||||
21.0 | 0.97139 | 0.96729 | 0.96495 | 0.96242 | 0.96901 | 0.96778 | |||
22.0 | 0.97024 | 0.96592 | 0.96348 | 0.96087 | 0.96763 | 0.96630 | |||
22.11 | 27.00 | 21.43 | 0.96578 | –12.2 °C | |||||
23.0 | 0.96907 | 0.96453 | 0.96199 | 0.95929 | 0.96624 | 0.96481 | |||
24.0 | 0.96787 | 0.96312 | 0.96048 | 0.95769 | 0.96483 | 0.96329 | |||
24.2 | 29.5 | 0.96283 | –14.0 °C | ||||||
25.0 | 30.40 | 24.12 | 0.96665 | 0.96168 | 0.95895 | 0.95607 | 0.96339 | 0.96176 | |
26.0 | 0.96539 | 0.96020 | 0.95738 | 0.95422 | 0.96190 | 0.96018 | |||
26.7 | 32.4 | 0.95914 | –16.0 °C | ||||||
27.0 | 0.96406 | 0.95867 | 0.95576 | 0.95272 | 0.96037 | 0.95856 | |||
28.0 | 33.90 | 26.90 | 0.96268 | 0.95710 | 0.95410 | 0.95098 | 0.95880 | 0.95689 | |
29.0 | 0.96125 | 0.95548 | 0.95241 | 0.94922 | 0.95717 | 0.95520 | |||
29.9 | 36.1 | 0.95400 | –18.9 °C | ||||||
30.0 | 36.20 | 28.73 | 0.95977 | 0.95382 | 0.95067 | 0.94741 | 0.95551 | 0.95345 | |
31.0 | 0.95823 | 0.95212 | 0.94890 | 0.94557 | 0.95381 | 0.95168 | |||
32.0 | 0.95665 | 0.95038 | 0.94709 | 0.94370 | 0.95207 | 0.94986 | |||
33.0 | 0.95502 | 0.94860 | 0.94525 | 0.94180 | 0.95028 | 0.94802 | |||
33.8 | 40.5 | 0.94715 | –23.6 °C | ||||||
34.0 | 0.95334 | 0.94679 | 0.94337 | 0.93986 | 0.94847 | 0.94613 | |||
35.0 | 0.95162 | 0.94494 | 0.94146 | 0.93790 | 0.94662 | 0.94422 | |||
35.04 | 41.90 | 33.25 | 0.94486 | ||||||
36.0 | 0.94986 | 0.94306 | 0.93952 | 0.93591 | 0.94473 | 0.94227 | |||
37.0 | 0.94805 | 0.94114 | 0.93756 | 0.93390 | 0.94281 | 0.94031 | |||
38.0 | 0.94620 | 0.93919 | 0.93556 | 0.93186 | 0.94086 | 0.93830 | |||
39.0 | 46.3 | 0.94431 | 0.93720 | 0.93353 | 0.92979 | 0.93886 | 0.93626 | –28.7 °C | |
40.0 | 0.94238 | 0.93518 | 0.93148 | 0.92770 | 0.93684 | 0.93421 | |||
40.04 | 47.40 | 37.61 | 0.93510 | ||||||
41.0 | 0.94042 | 0.93314 | 0.92940 | 0.92558 | 0.93479 | 0.93212 | |||
42.0 | 0.93842 | 0.93107 | 0.92729 | 0.92344 | 0.93272 | 0.93001 | |||
43.0 | 0.93639 | 0.92897 | 0.92516 | 0.92128 | 0.93062 | 0.92787 | |||
44.0 | 0.93433 | 0.92685 | 0.92301 | 0.91910 | 0.92849 | 0.92571 | |||
45.0 | 0.93226 | 0.92472 | 0.92085 | 0.91692 | 0.92636 | 0.92355 | |||
45.31 | 53.00 | 42.07 | 0.92406 | ||||||
46.0 | 0.93017 | 0.92257 | 0.91868 | 0.91472 | 0.92421 | 0.92137 | |||
46.3 | 53.8 | 0.92193 | –33.9 °C | ||||||
47.0 | 0.92806 | 0.92041 | 0.91649 | 0.91250 | 0.92204 | 0.91917 | |||
48.0 | 0.92593 | 0.91823 | 0.91429 | 0.91028 | 0.91986 | 0.91697 | |||
49.0 | 0.92379 | 0.91604 | 0.91208 | 0.90805 | 0.91766 | 0.91475 | |||
50.0 | 0.92162 | 0.91384 | 0.90985 | 0.90580 | 0.91546 | 0.91251 | |||
50.16 | 58.0 | 46.04 | 0.91349 | ||||||
51.0 | 0.91943 | 0.91160 | 0.90760 | 0.90353 | 0.91322 | 0.91026 | |||
52.0 | 0.91723 | 0.90936 | 0.90524 | 0.90125 | 0.91097 | 0.90799 | |||
53.0 | 0.91502 | 0.90711 | 0.90307 | 0.89896 | 0.90872 | 0.90571 | |||
54.0 | 0.91279 | 0.90485 | 0.90079 | 0.89667 | 0.90645 | 0.90343 | |||
55.0 | 0.91055 | 0.90258 | 0.89850 | 0.89437 | 0.90418 | 0.90113 | |||
55.16 | 63.0 | 50.00 | 0.90220 | ||||||
56.0 | 0.90831 | 0.90031 | 0.89621 | 0.89206 | 0.90191 | 0.89833 | |||
56.1 | 63.6 | 0.90008 | –41.0 °C | ||||||
57.0 | 0.90607 | 0.89803 | 0.89392 | 0.88975 | 0.89962 | 0.89654 | |||
58.0 | 0.90381 | 0.89574 | 0.89162 | 0.88744 | 0.89733 | 0.89423 | |||
59.0 | 0.90154 | 0.89344 | 0.88931 | 0.88512 | 0.89502 | 0.89191 | |||
60.0 | 0.89927 | 0.89113 | 0.88699 | 0.88278 | 0.89271 | 0.88959 | |||
60.33 | 68.0 | 53.98 | 0.89038 | ||||||
61.0 | 0.89898 | 0.88882 | 0.88466 | 0.88044 | 0.89040 | 0.88725 | |||
62.0 | 0.89468 | 0.88650 | 0.88233 | 0.87809 | 0.88807 | 0.88491 | |||
63.0 | 0.89237 | 0.88417 | 0.87998 | 0.87574 | 0.88574 | 0.88256 | |||
64.0 | 0.89006 | 0.88183 | 0.87763 | 0.87337 | 0.88339 | 0.88020 | |||
65.0 | 0.88774 | 0.87948 | 0.87527 | 0.87100 | 0.88104 | 0.87783 | |||
66.0 | 0.88541 | 0.87713 | 0.87291 | 0.86863 | 0.87869 | 0.87547 | |||
67.0 | 0.88308 | 0.87477 | 0.87054 | 0.86625 | 0.87632 | 0.87309 | |||
68.0 | 0.88071 | 0.87241 | 0.86817 | 0.86387 | 0.87396 | 0.87071 | |||
69.0 | 0.87839 | 0.87004 | 0.86579 | 0.86148 | 0.87158 | 0.86833 | |||
70.0 | 0.87602 | 0.86766 | 0.86340 | 0.85908 | 0.86920 | 0.86593 | |||
71.0 | 0.87365 | 0.86527 | 0.86100 | 0.85667 | 0.86680 | 0.86352 | |||
71.9 | 78.3 | 0.86311 | –51.3 °C | ||||||
72.0 | 0.87127 | 0.86287 | 0.85859 | 0.85426 | 0.86440 | 0.86110 | |||
73.0 | 0.86888 | 0.86047 | 0.85618 | 0.85184 | 0.86200 | 0.85869 | |||
74.0 | 0.86648 | 0.85806 | 0.85376 | 0.84941 | 0.85958 | 0.85626 | |||
75.0 | 0.86408 | 0.85564 | 0.85135 | 0.84698 | 0.85716 | 0.85383 | |||
76.0 | 0.86168 | 0.85322 | 0.84891 | 0.84455 | 0.85473 | 0.85140 | |||
77.0 | 0.85927 | 0.85079 | 0.84647 | 0.84211 | 0.85230 | 0.84895 | |||
78.0 | 0.85685 | 0.84835 | 0.84403 | 0.83966 | 0.84985 | 0.84650 | |||
79.0 | 0.85422 | 0.84590 | 0.84158 | 0.83720 | 0.84740 | 0.84404 | |||
80.0 | 0.85197 | 0.84344 | 0.83911 | 0.83473 | 0.84494 | 0.84157 | |||
81.0 | 0.84950 | 0.84096 | 0.83664 | 0.83224 | 0.84245 | 0.83909 | |||
82.0 | 0.84702 | 0.83848 | 0.83415 | 0.82974 | 0.83997 | 0.83659 | |||
83.0 | 0.84453 | 0.83599 | 0.83164 | 0.82724 | 0.83747 | 0.83408 | |||
84.0 | 0.84203 | 0.83348 | 0.82913 | 0.82473 | 0.83496 | 0.83156 | |||
85.0 | 0.83951 | 0.83095 | 0.82660 | 0.82220 | 0.83242 | 0.82902 | |||
86.0 | 0.83697 | 0.82840 | 0.82405 | 0.81965 | 0.82987 | 0.82646 | |||
87.0 | 0.83441 | 0.82554 | 0.82148 | 0.81708 | 0.82729 | 0.82389 | |||
88.0 | 0.83181 | 0.82323 | 0.81888 | 0.81448 | 0.82469 | 0.82128 | |||
89.0 | 0.82919 | 0.82062 | 0.81626 | 0.81186 | 0.82207 | 0.81865 | |||
90.0 | 0.82654 | 0.81797 | 0.81362 | 0.80922 | 0.81942 | 0.81600 | |||
91.00 | 94.00 | 74.62 | 0.82386 | 0.81529 | 0.81094 | 0.80655 | 0.81674 | 0.81331 | |
92.0 | 0.82114 | 0.81257 | 0.80823 | 0.80384 | 0.81401 | 0.81060 | |||
93.0 | 0.81839 | 0.80983 | 0.80549 | 0.80111 | 0.81127 | 0.80785 | |||
94.0 | 0.81561 | 0.80705 | 0.80272 | 0.79835 | 0.80848 | 0.80507 | |||
95.0 | 0.81278 | 0.80424 | 0.79991 | 0.79555 | 0.80567 | 0.80225 | |||
96.0 | 0.80991 | 0.80138 | 0.79706 | 0.79271 | 0.80280 | 0.79939 | |||
97.0 | 0.80698 | 0.79846 | 0.79415 | 0.78981 | 0.79988 | 0.79648 | |||
98.0 | 0.80399 | 0.79547 | 0.79117 | 0.78684 | 0.79688 | 0.79349 | |||
99.0 | 0.80094 | 0.79243 | 0.78814 | 0.78382 | 0.79383 | 0.79045 | |||
100.0 | 100.0 | 79.39 | 0.79784 | 0.78934 | 0.78506 | 0.78075 | 0.79074 | 0.78736 | −114.3 °C |
% wt ethanol |
% vol ethanol |
grams ethanol per 100 cc 15.56 °C |
d 10 °C/4 °C | d 20 °C/4 °C | d 25 °C/4 °C | d 30 °C/4 °C | d 20 °C/20 °C | d 25 °C/25 °C | freezing temp. |
Boiling points of aqueous solutions
Data obtained from CRC Handbook of Chemistry 44th ed., p2391
BP °C | Weight % ethanol | BP °C | Weight % ethanol | |||
liquid | vapor | liquid | vapor | |||
78.1 | 95.5‡ | 95.5‡ | ||||
78.2 | 91 | 92 | 86.5 | 18 | 71 | |
78.4 | 85 | 89 | 87.0 | 17 | 70 | |
78.6 | 82 | 88 | 87.5 | 16 | 69 | |
78.8 | 80 | 87 | 88.0 | 15 | 68 | |
79.0 | 78 | 86 | 88.5 | 13 | 67 | |
79.2 | 76 | 85 | 89.0 | 12 | 65 | |
79.4 | 74 | 85 | 89.5 | 11 | 63 | |
79.6 | 72 | 84 | 90.0 | 10 | 61 | |
79.8 | 69 | 84 | 90.5 | 10 | 59 | |
80.0 | 67 | 83 | 91.0 | 9 | 57 | |
80.2 | 64 | 83 | 91.5 | 8 | 55 | |
80.4 | 62 | 82 | 92.0 | 8 | 53 | |
80.6 | 59 | 82 | 92.5 | 7 | 51 | |
80.8 | 56 | 81 | 93.0 | 6 | 49 | |
81.0 | 53 | 81 | 93.5 | 6 | 46 | |
81.2 | 50 | 80 | 94.0 | 5 | 44 | |
81.4 | 47 | 80 | 94.5 | 5 | 42 | |
81.6 | 45 | 80 | 95.0 | 4 | 39 | |
81.8 | 43 | 79 | 95.5 | 4 | 36 | |
82.0 | 41 | 79 | 96.0 | 3 | 33 | |
82.5 | 36 | 78 | 96.5 | 3 | 30 | |
83.0 | 33 | 78 | 97.0 | 2 | 27 | |
83.5 | 30 | 77 | 97.5 | 2 | 23 | |
84.0 | 27 | 77 | 98.0 | 1 | 19 | |
84.5 | 25 | 75 | 98.5 | 1 | 15 | |
85.0 | 23 | 74 | 99.0 | < 1 | 10 | |
85.5 | 21 | 73 | 99.5 | < 1 | 5 | |
86.0 | 20 | 72 | 100.0 | 0 | 0 |
References
- ↑ NMR-002: Sample Devices and Magnetic Susceptibility
- ↑ Template:Cite web
- ↑ 3.0 3.1 20 year-old Real Estate Agent Rusty from Saint-Paul, has hobbies and interests which includes monopoly, property developers in singapore and poker. Will soon undertake a contiki trip that may include going to the Lower Valley of the Omo.
My blog: http://www.primaboinca.com/view_profile.php?userid=5889534 - ↑ 4.0 4.1 Lange's Handbook of Chemistry 10th ed, pp 1525-1528
- ↑ 5.0 5.1 CRC Handbook of Chemistry and Physics 44th ed. pp 2582-2584
- ↑ Lange's Handbook of Chemistry 10th ed, pp 1522-1524
- ↑ Template:Cite web