Benzaldehyde
- Formula: C7H6O
- Molecular weight: 106.1219
- IUPAC Standard InChIKey: HUMNYLRZRPPJDN-UHFFFAOYSA-N
- CAS Registry Number: 100-52-7
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Artificial Almond Oil; Benzaldehyde FFC; Benzenecarbonal; Benzenecarboxaldehyde; Benzoic aldehyde; Phenylmethanal; Almond artificial essential oil; Phenylmethanal benzenecarboxaldehyde; NCI-C56133; Oil of Bitter Almond; Artificial essential oil of almond; Benzene carbaldehyde; NA 1989; Artifical essential oil of almond; Artificial bitter almond oil; Benzenemethylal; Benzoyl hydride; Ethereal oil of bitter almonds; Benzylaldehyde; NSC 7917; Benzyaldehyde
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Condensed phase thermochemistry data
Go To: Top, Phase change data, IR Spectrum, UV/Visible spectrum, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -87.1 ± 2.2 | kJ/mol | Ccb | Ambrose, Connett, et al., 1975 | ALS |
ΔfH°liquid | -83.05 ± 0.84 | kJ/mol | Ccb | Lebedeva and Katin, 1972 | ALS |
ΔfH°liquid | -86.2 | kJ/mol | Ccb | Landrieu, Baylocq, et al., 1929 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -3525.0 ± 2.0 | kJ/mol | Ccb | Ambrose, Connett, et al., 1975 | Corresponding ΔfHºliquid = -87.1 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -3529. ± 0.8 | kJ/mol | Ccb | Lebedeva and Katin, 1972 | Corresponding ΔfHºliquid = -83.3 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -3526. | kJ/mol | Ccb | Landrieu, Baylocq, et al., 1929 | Corresponding ΔfHºliquid = -86.2 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 221.2 | J/mol*K | N/A | Ambrose, Connett, et al., 1975 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
172.0 | 298.15 | Ambrose, Connett, et al., 1975 | T = 13 to 425 K.; DH |
171.1 | 302.4 | de Kolossowsky and Udowenko, 1934 | DH |
171.1 | 302.3 | Kolosovskii and Udovenko, 1934 | DH |
Phase change data
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, UV/Visible spectrum, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 452. ± 7. | K | AVG | N/A | Average of 13 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 247. | K | N/A | Buckingham and Donaghy, 1982 | BS |
Tfus | 216.65 | K | N/A | Biltz, Fischer, et al., 1930 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 217.55 | K | N/A | Timmermans, 1921 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 216.25 | K | N/A | Timmermans, 1921 | Uncertainty assigned by TRC = 0.6 K; TRC |
Tfus | 259.7 | K | N/A | Altschul and Von Schneider, 1895 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 216.02 | K | N/A | Ambrose, Connett, et al., 1975, 2 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 690. | K | N/A | Anselme and Teja, 1990 | Uncertainty assigned by TRC = 20. K; Tc > 690 K, which was observed with decomposition; TRC |
Tc | 695. | K | N/A | Ambrose, Connett, et al., 1975, 2 | Uncertainty assigned by TRC = 5. K; Visual, Decomp, VPX; TRC |
Tc | 625.15 | K | N/A | Glaser and Ruland, 1957 | Uncertainty assigned by TRC = 3. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 46.50 | bar | N/A | Ambrose, Connett, et al., 1975, 2 | Uncertainty assigned by TRC = 0.4646 bar; Visual, Decomp, VPX; TRC |
Pc | 21.7849 | bar | N/A | Glaser and Ruland, 1957 | Uncertainty assigned by TRC = 3.0398 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 48. ± 6. | kJ/mol | AVG | N/A | Average of 7 values; Individual data points |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
335.2 | 0.013 | Weast and Grasselli, 1989 | BS |
452. | 1.00 | Buckingham and Donaghy, 1982 | BS |
335. | 0.013 | Buckingham and Donaghy, 1982 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
49.5 | 363. | A | Stephenson and Malanowski, 1987 | Based on data from 348. to 452. K.; AC |
43.8 | 424. | A | Stephenson and Malanowski, 1987 | Based on data from 409. to 481. K.; AC |
48.6 | 326. | A | Stephenson and Malanowski, 1987 | Based on data from 311. to 376. K.; AC |
45.5 | 385. | A | Stephenson and Malanowski, 1987 | Based on data from 370. to 475. K.; AC |
41.9 | 480. | A | Stephenson and Malanowski, 1987 | Based on data from 465. to 541. K.; AC |
40.6 | 544. | A | Stephenson and Malanowski, 1987 | Based on data from 529. to 599. K.; AC |
47.0 | 288. | A,BG | Stephenson and Malanowski, 1987 | Based on data from 273. to 373. K. See also De Maré, Lehman, et al., 1973.; AC |
50.3 | 311. | V | Ambrose, Connett, et al., 1975 | ALS |
42.5 | 452. | EB | Ambrose, Connett, et al., 1975 | Based on data from 311. to 404. K.; AC |
54.4 | 314. | N/A | Stull, 1947 | Based on data from 299. to 452. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
273.14 to 322.06 | 5.21496 | 2337.539 | -5.103 | De Maré, Lehman, et al., 1973 | Coefficents calculated by NIST from author's data. |
299.4 to 452. | 3.87652 | 1380.729 | -94.98 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
9.320 | 216.02 | Ambrose, Connett, et al., 1975 | DH |
9.33 | 216. | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
43.14 | 216.02 | Ambrose, Connett, et al., 1975 | DH |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, UV/Visible spectrum, References, Notes
Data compiled by: Coblentz Society, Inc.
- SOLUTION (1% IN CCl4 FOR 3800-1330, 1% IN CS2 FOR 1330-450 CM-1) VS SOLVENT; PERKIN-ELMER 180; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
- SOLUTION (2% IN CCl4 FOR 3800-1330, 2% IN CS2 FOR 1330-450 CM-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
UV/Visible spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina
Spectrum
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Additional Data
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Source | Ramart-Lucas and Guilmart, 1950 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 5201 |
Instrument | n.i.g. |
Melting point | -26 |
Boiling point | 179.0 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ambrose, Connett, et al., 1975
Ambrose, D.; Connett, J.E.; Green, J.H.S.; Hales, J.L.; Head, A.J.; Martin, J.F.,
Thermodynamic properties of organic oxygen compounds. 42. Physical and thermodynamic properties of benzaldehyde,
J. Chem. Thermodyn., 1975, 7, 1143-1157. [all data]
Lebedeva and Katin, 1972
Lebedeva, N.D.; Katin, Yu.A.,
Heats of combustion of certain monosubstituted benzenes,
Russ. J. Phys. Chem. (Engl. Transl.), 1972, 46, 1088. [all data]
Landrieu, Baylocq, et al., 1929
Landrieu, P.; Baylocq, F.; Johnson, J.R.,
Etude thermochimique dans la serie furanique,
Bull. Soc. Chim. France, 1929, 45, 36-49. [all data]
de Kolossowsky and Udowenko, 1934
de Kolossowsky, N.; Udowenko, W.W.,
Determination des chaleurs specifiques des liquides,
Compt. rend., 1934, 198, 1394-1395. [all data]
Kolosovskii and Udovenko, 1934
Kolosovskii, N.A.; Udovenko, W.W.,
Specific heat of liquids. II.,
Zhur. Obshchei Khim., 1934, 4, 1027-1033. [all data]
Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M.,
Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]
Biltz, Fischer, et al., 1930
Biltz, W.; Fischer, W.; Wunnenberg, E.,
Molecular and Atomic Volumes. The Volume Requirements of Crystalline Organic Compounds and Low Temperatures,
Z. Phys. Chem., Abt. A, 1930, 151, 13-55. [all data]
Timmermans, 1921
Timmermans, J.,
The Freezing Points of Organic Substances IV. New Exp. Determinations,
Bull. Soc. Chim. Belg., 1921, 30, 62. [all data]
Altschul and Von Schneider, 1895
Altschul, M.; Von Schneider, B.,
Freezing points of some organic fluids,
Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1895, 16, 24. [all data]
Ambrose, Connett, et al., 1975, 2
Ambrose, D.; Connett, J.E.; Green, J.H.S.; Hales, J.L.; Head, A.J.; Martin, J.F.,
Thermodynamic properties of organic oxygen compounds 42. Physical and thermodynamic properties of benzaldehyde,
J. Chem. Thermodyn., 1975, 7, 1143. [all data]
Anselme and Teja, 1990
Anselme, M.J.; Teja, A.S.,
The critical properties of rapidly reacting substances,
AIChE Symp. Ser., 1990, 86, 279, 128-32. [all data]
Glaser and Ruland, 1957
Glaser, F.; Ruland, H.,
Untersuchungsen über dampfdruckkurven und kritische daten einiger technisch wichtiger organischer substanzen,
Chem. Ing. Techn., 1957, 29, 772. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
De Maré, Lehman, et al., 1973
De Maré, G.R.; Lehman, T.; Termonia, M.,
The vapour pressure of benzaldehyde between 273 and 376 K,
The Journal of Chemical Thermodynamics, 1973, 5, 6, 829-832, https://doi.org/10.1016/S0021-9614(73)80044-8
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Ramart-Lucas and Guilmart, 1950
Ramart-Lucas, P.; Guilmart, T.,
Sur les variations d'absorption dans les series homologues,
Bull. Soc. Chim. Fr., 1950, 17, 405-411. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, UV/Visible spectrum, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Pc Critical pressure S°liquid Entropy of liquid at standard conditions Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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