Octanenitrile
- Formula: C8H15N
- Molecular weight: 125.2114
- IUPAC Standard InChIKey: YSIMAPNUZAVQER-UHFFFAOYSA-N
- CAS Registry Number: 124-12-9
- 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: Arneel 8; Caprylnitrile; Caprylonitrile; Octanonitrile; Normal-heptyl cyanide; n-Heptyl cyanide; 1-Cyanoheptane
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Phase change data
Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 472.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 478.4 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 473. | K | N/A | Condo, Hinkel, et al., 1937 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 478.4 | K | N/A | Deffet, 1931 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 219.65 | K | N/A | Timmermans, 1952 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 227.55 | K | N/A | Deffet, 1931 | Uncertainty assigned by TRC = 1. K; TRC |
Tfus | 314. | K | N/A | Krafft and Stauffer, 1882 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 674.4 | K | N/A | Castillo-Lopez and Trejo Rodriguez, 1987 | Uncertainty assigned by TRC = 0.2 K; Visual, TE with digital voltmeter cal. by meas. on alkanes.; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 28.13 | atm | N/A | Castillo-Lopez and Trejo Rodriguez, 1987 | Uncertainty assigned by TRC = 0.099 atm; Visual; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 13.4 ± 0.6 | kcal/mol | AVG | N/A | Average of 7 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.0 | 388. | A | Stephenson and Malanowski, 1987 | Based on data from 373. to 480. K.; AC |
11.9 | 389. | EB | Meyer, Renner, et al., 1971 | Based on data from 374. to 420. K.; AC |
11.5 | 435. | EB | Meyer, Renner, et al., 1971 | Based on data from 420. to 479. K.; AC |
13.6 | 331. | N/A | Stull, 1947 | Based on data from 316. to 477. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
316. to 477.7 | 3.8911 | 1482.244 | -97.013 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Gas phase ion energetics data
Go To: Top, Phase change data, Gas Chromatography, 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: Michael M. Meot-Ner (Mautner)
Proton affinity at 298K
Proton affinity (kcal/mol) | Reference |
---|---|
192.7 | Cao and Holmes, 1999 |
194. | Cao and Holmes, 1999 |
Gas Chromatography
Go To: Top, Phase change data, Gas phase ion energetics data, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Mega 5MS | 1085. | Condurso, Verzera, et al., 2006 | 60. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 60. C; Tend: 240. C |
Capillary | DB-5 | 1080.6 | Xu, van Stee, et al., 2003 | 30. m/0.25 mm/1. μm, He, 2.5 K/min; Tstart: 50. C; Tend: 200. C |
Capillary | DB-5 | 1084. | Dallüge, van Stee, et al., 2002 | 30. m/0.25 mm/1. μm, He, 2.5 K/min; Tstart: 50. C; Tend: 200. C |
Capillary | DB-5 | 1082. | Rostad and Pereira, 1986 | 30. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5MS | 1079.3 | Andriamaharavo, 2014 | 30. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min) |
Van Den Dool and Kratz RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | CP-Wax 52CB | 1512. | Condurso, Verzera, et al., 2006 | 60. m/0.25 mm/0.25 μm, He; Program: 45C(5min) => 10C/min => 80C => 2C/min => 240C |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | CP-Wax 52CB | 1462. | Rohloff and Bones, 2005 | 30. m/0.32 mm/0.25 μm, He, 40. C @ 1. min, 4. K/min; Tend: 220. C |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 178.33 | Rostad and Pereira, 1986 | 30. m/0.26 mm/0.25 μm, He, 50. C @ 4. min, 6. K/min, 300. C @ 20. min |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [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]
Condo, Hinkel, et al., 1937
Condo, F.E.; Hinkel, E.T.; Fassero, A.; Shriner, R.L.,
Identification of Nitriles. II. Addition Compounds of Nitriles with Mercaptoacetic Acid.,
J. Am. Chem. Soc., 1937, 59, 230. [all data]
Deffet, 1931
Deffet, L.,
The Freezing Points of Organic Compounds XIII. Compounds With Seven Eight, Nine or Ten Carbon Atoms,
Bull. Soc. Chim. Belg., 1931, 40, 385-402. [all data]
Timmermans, 1952
Timmermans, J.,
Freezing points of organic compounds. VVI New determinations.,
Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]
Krafft and Stauffer, 1882
Krafft, F.; Stauffer, B.,
The nitriles c(n)h(2n+2)cn of the higher fatty acids,
Ber. Dtsch. Chem. Ges., 1882, 15, 1728-31. [all data]
Castillo-Lopez and Trejo Rodriguez, 1987
Castillo-Lopez, N.; Trejo Rodriguez, A.,
The critical temperatures and pressures of several n-alkanenitriles,
J. Chem. Thermodyn., 1987, 19, 671. [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]
Meyer, Renner, et al., 1971
Meyer, Edwin F.; Renner, Terrence A.; Stec, Kenneth S.,
Cohesive energies in polar organic liquids. II. n-Alkane nitriles and the 1-chloro alkanes,
J. Phys. Chem., 1971, 75, 5, 642-648, https://doi.org/10.1021/j100675a008
. [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]
Cao and Holmes, 1999
Cao, J.; Holmes, J.L.,
Determining the proton affinities of nitriles by the kinetic method,
European J. Mass Spectrometry, 1999, 5, 19-22. [all data]
Condurso, Verzera, et al., 2006
Condurso, C.; Verzera, A.; Romeo, V.; Ziino, M.; Trozzi, A.; Ragusa, S.,
The leaf volatile constituents of Isatis tinctoria by solid-phase microextraction and gas chromatography/mass spectrometry,
Planta Medica, 2006, 72, 10, 924-928, https://doi.org/10.1055/s-2006-946679
. [all data]
Xu, van Stee, et al., 2003
Xu, X.; van Stee, L.L.P.; Williams, J.; Beens, J.; Adahchour, M.; Vreuls, R.J.J.; Brinkman, U.A.Th.; Lelieveld, J.,
Comprehensive two-dimensional gas chromatography (GC×GC) measurements of volatile organic compounds in the atmosphere,
Atmos. Chem. Phys., 2003, 3, 3, 665-682, https://doi.org/10.5194/acp-3-665-2003
. [all data]
Dallüge, van Stee, et al., 2002
Dallüge, J.; van Stee, L.L.P.; Xu, X.; Williams, J.; Beens, J.; Vreuls, R.J.J.; Brinkman, U.A.Th.,
Unravelling the composition of very complex samples by comprehensive gas chromatography coupled to time-of-flight mass spectrometry. Cigarette smoke,
J. Chromatogr. A, 2002, 974, 1-2, 169-184, https://doi.org/10.1016/S0021-9673(02)01384-5
. [all data]
Rostad and Pereira, 1986
Rostad, C.E.; Pereira, W.E.,
Kovats and Lee retention indices determined by gas chromatography/mass spectrometry for organic compounds of environmental interest,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1986, 9, 6, 328-334, https://doi.org/10.1002/jhrc.1240090603
. [all data]
Andriamaharavo, 2014
Andriamaharavo, N.R.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]
Rohloff and Bones, 2005
Rohloff, J.; Bones, A.M.,
Volatile profiling of Arabidopsis thaliana - Putative olfactory compounds in plant communication,
Phytochemistry, 2005, 66, 16, 1941-1955, https://doi.org/10.1016/j.phytochem.2005.06.021
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point 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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