Heneicosane
- Formula: C21H44
- Molecular weight: 296.5741
- IUPAC Standard InChI: InChI=1S/C21H44/c1-3-5-7-9-11-13-15-17-19-21-20-18-16-14-12-10-8-6-4-2/h3-21H2,1-2H3
- IUPAC Standard InChIKey: FNAZRRHPUDJQCJ-UHFFFAOYSA-N
- CAS Registry Number: 629-94-7
- 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: n-Heneicosane; n-henicosane; henicosane
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Normal melting point
Go To: Top, 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: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
| Tfus (K) | Reference | Comment |
|---|---|---|
| 313.4 | Schaerer, Busso, et al., 1955 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.3 K; TRC |
| 313.65 | Ivanov, Ivanov, et al., 1954 | Uncertainty assigned by TRC = 1.5 K; TRC |
| 313.5 | Mazee, 1948 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.5 K; TRC |
| 313.6 | Seyer, Patterson, et al., 1944 | Uncertainty assigned by TRC = 0.5 K; TRC |
| 312.6 | Schmidt, 1942 | Uncertainty assigned by TRC = 0.7 K; TRC |
| 312.6 | Schmidt, Schoeller, et al., 1941 | Uncertainty assigned by TRC = 1. K; TRC |
| 313.6 | Strating, Backer, et al., 1936 | Uncertainty assigned by TRC = 0.5 K; TRC |
| 313.5 | Landa and Riedl, 1930 | Uncertainty assigned by TRC = 0.5 K; TRC |
| 313. | Vorlander and Selke, 1927 | Uncertainty assigned by TRC = 2. K; TRC |
| 313.7 | Prophete, 1926 | Uncertainty assigned by TRC = 2. K; TRC |
| 314. | Mueller and Saville, 1925 | Uncertainty assigned by TRC = 1.5 K; TRC |
| 310.0 | McKinney, 1924 | Uncertainty assigned by TRC = 3. K; TRC; Data excluded from overall average |
| 313.7 | Eykman, 1919 | Uncertainty assigned by TRC = 0.5 K; TRC |
| 313.2 | Krafft, 1907 | Uncertainty assigned by TRC = 0.6 K; TRC |
| 313.7 | Schaal, 1907 | Uncertainty assigned by TRC = 1. K; TRC |
| 313.6 | Krafft, 1882 | Uncertainty assigned by TRC = 2. K; TRC |
| 313.6 | Krafft, 1882, 2 | Uncertainty assigned by TRC = 1. K; TRC |
References
Go To: Top, Normal melting point, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Schaerer, Busso, et al., 1955
Schaerer, A.A.; Busso, C.J.; Smith, A.E.; Skinner, L.B.,
Properties of Pure Normal Alkanes in the C17 to C36 Range,
J. Am. Chem. Soc., 1955, 77, 2017-8. [all data]
Ivanov, Ivanov, et al., 1954
Ivanov, D.; Ivanov, Ch.; Stoianova-Ivanova, B.,
Composistion of Stearoptene from Bulgarian Rose Oil. II. Saturated Hydrocarbons Other Than Eicosane,
Dokl. Bolg. Akad. Nauk, 1954, 7, 17-20. [all data]
Mazee, 1948
Mazee, W.M.,
Some properties of hydrocarbons having more than twenty carbon atoms,
Recl. Trav. Chim. Pays-Bas, 1948, 67, 197-213. [all data]
Seyer, Patterson, et al., 1944
Seyer, W.F.; Patterson, R.F.; Keays, J.L.,
The Density and Transition Points of the n-Paraffin Hydrocarbons,
J. Am. Chem. Soc., 1944, 66, 179-82. [all data]
Schmidt, 1942
Schmidt, A.W.,
Physical properties of aliphatic compounds,
Ber. Dtsch. Chem. Ges. B, 1942, 75, 1399. [all data]
Schmidt, Schoeller, et al., 1941
Schmidt, A.W.; Schoeller, V.; Eberlein, K.,
Chem. Ber., 1941, 74, 1313. [all data]
Strating, Backer, et al., 1936
Strating, J.; Backer, H.J.; Lolkema, J.; Benninga, N.,
Prep. of Several Crystalline Aliphatic Hydrocarbons in the Pure State,
Recl. Trav. Chim. Pays-Bas, 1936, 55, 903-14. [all data]
Landa and Riedl, 1930
Landa, S.; Riedl, R.,
Synthesis of some higher isoparaffins,
Collect. Czech. Chem. Commun., 1930, 2, 520. [all data]
Vorlander and Selke, 1927
Vorlander, D.; Selke, W.,
Z. Phys. Chem. (Leipzig), 1927, 129, 435. [all data]
Prophete, 1926
Prophete, H.,
Contribution to the Study of Flowers. Wax from Roses,
C. R. Hebd. Seances Acad. Sci., 1926, 183, 609. [all data]
Mueller and Saville, 1925
Mueller, A.; Saville, W.B.,
J. Chem. Soc., 1925, 127, 599. [all data]
McKinney, 1924
McKinney, J.W.,
J. Am. Chem. Soc., 1924, 46, 968. [all data]
Eykman, 1919
Eykman, J.F.,
Natuurkd. Verh. Hollandsche Maatschappij Wet. Haarlem, 1919, 8, 438. [all data]
Krafft, 1907
Krafft, F.,
Fractional distillation of higher n-alkanes from lignite resin in a vacuum of cathodic rays,
Ber. Dtsch. Chem. Ges., 1907, 40, 4779-84. [all data]
Schaal, 1907
Schaal, R.,
Chem. Ber., 1907, 40, 4784. [all data]
Krafft, 1882
Krafft, F.,
Nineteen higher normal paraffins CnH2n+2 and a simple volume law for the saturated liquid state.,
Ber. Dtsch. Chem. Ges., 1882, 15, 1711. [all data]
Krafft, 1882, 2
Krafft, F.,
Chem. Ber., 1882, 15, 1718. [all data]
Notes
Go To: Top, Normal melting point, References
- Symbols used in this document:
Tfus Fusion (melting) point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.