Neopentane
- Formula: C5H12
- Molecular weight: 72.1488
- IUPAC Standard InChI: InChI=1S/C5H12/c1-5(2,3)4/h1-4H3
- IUPAC Standard InChIKey: CRSOQBOWXPBRES-UHFFFAOYSA-N
- CAS Registry Number: 463-82-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: Propane, 2,2-dimethyl-; tert-Pentane; Tetramethylcarbon; Tetramethylmethane; 1,1,1-Trimethylethane; 2,2-Dimethylpropane; Neo-C5H12; UN 2044; Dimethylpropane
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Normal melting point
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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 |
|---|---|---|
| 253.8 | Silver and Rudman, 1970 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.6 K; temp. of cryst. of liquid to C1 was 255.; TRC |
| 256.57 | Streiff, 1964 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.04 K; TRC |
| 256.6 | Streiff, Zimmerman, et al., 1948 | Uncertainty assigned by TRC = 0.03 K; TRC |
| 256.55 | Howard, Mears, et al., 1947 | Uncertainty assigned by TRC = 0.05 K; TRC |
| 254.15 | Haensel and Ipatieff, 1946 | Uncertainty assigned by TRC = 2. K; TRC |
| 252.65 | Whitmore, Fleming, et al., 1934 | Uncertainty assigned by TRC = 1. K; TRC |
| 253.65 | Whitmore and Fleming, 1933 | Uncertainty assigned by TRC = 0.5 K; TRC |
| 253. | Fleming and Whitmore, 1932 | Uncertainty assigned by TRC = 5. 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.
Silver and Rudman, 1970
Silver, L.; Rudman, R.,
Polymorphism of the Crystalline Methylchloromethane Compounds. A Differential Scanning Calorimetric Study,
J. Phys. Chem., 1970, 74, 3134-9. [all data]
Streiff, 1964
Streiff, A.J.,
, Am. Pet. Inst. Res. Proj. 58B Unpublished, 1964. [all data]
Streiff, Zimmerman, et al., 1948
Streiff, A.J.; Zimmerman, J.C.; Soule, L.F.; Butt, M.T.; Sedlak, V.A.; Willingham, C.B.; Rossini, F.D.,
Purification, Purity, and Freezing Points of 30 Hydrocarbons of the API-Standard and API-NBS Series,
J. Res. Natl. Bur. Stand. (U. S.), 1948, 41, 323. [all data]
Howard, Mears, et al., 1947
Howard, F.L.; Mears, T.W.; Fookson, A.; Pomerantz, P.; Brooks, D.B.,
Preparation and physical properties of several aliphatic hydrocarbons and intermediates,
J. Res. Natl. Bur. Stand. (U. S.), 1947, 38, 365. [all data]
Haensel and Ipatieff, 1946
Haensel, V.; Ipatieff, W.,
Selective Demethylation of Paraffin Hydrocarbons,
J. Am. Chem. Soc., 1946, 68, 345. [all data]
Whitmore, Fleming, et al., 1934
Whitmore, F.C.; Fleming, G.H.; Rank, D.H.; Bordner, E.R.; Larson, K.D.,
Neopentyl Deuteride,
J. Am. Chem. Soc., 1934, 56, 749. [all data]
Whitmore and Fleming, 1933
Whitmore, F.C.; Fleming, G.H.,
Preparation of Tetramethylmethane (Neopentane) and Determination of Its Physical Constants,
J. Am. Chem. Soc., 1933, 55, 3803. [all data]
Fleming and Whitmore, 1932
Fleming, G.H.; Whitmore, F.C.,
Chlorination of Neopentane,
J. Am. Chem. Soc., 1932, 54, 3460. [all data]
Notes
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- Symbols used in this document:
Tfus Fusion (melting) point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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