Benzene, 1,2,4-trimethyl-
- Formula: C9H12
- Molecular weight: 120.1916
- IUPAC Standard InChI: InChI=1S/C9H12/c1-7-4-5-8(2)9(3)6-7/h4-6H,1-3H3
- IUPAC Standard InChIKey: GWHJZXXIDMPWGX-UHFFFAOYSA-N
- CAS Registry Number: 95-63-6
- 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: ψ-Cumene; as-Trimethylbenzene; Pseudocumene; Pseudocumol; 1,2,4-Trimethylbenzene; 1,2,5-Trimethylbenzene; 1,3,4-Trimethylbenzene; Psi-cumene; Asymmetrical trimethylbenzene; Benzene, 1,2,5-trimethyl-; NSC 65600; 1,2,4-trimethylbenzene (pseudocumene)
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- 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 |
|---|---|---|
| 221. | Carpenter and Easter, 1954 | Uncertainty assigned by TRC = 4. K; TRC |
| 229. | Boord, Greenlee, et al., 1946 | Uncertainty assigned by TRC = 0.2 K; TRC |
| 228.85 | Boord, Greenlee, et al., 1946 | Uncertainty assigned by TRC = 0.2 K; TRC |
| 229.37 | Hirschler and Faulconer, 1946 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.2 K; TRC |
| 229.05 | Hirschler and Faulconer, 1946 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.4 K; TRC |
| 223.85 | Hirschler and Faulconer, 1946 | Crystal phase 2 phase; Uncertainty assigned by TRC = 0.4 K; TRC |
| 224.18 | Hirschler and Faulconer, 1946 | Crystal phase 2 phase; Uncertainty assigned by TRC = 0.2 K; TRC |
| 229.23 | Streiff, Murphy, et al., 1946 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.1 K; TRC |
| 229.24 | Streiff, Murphy, et al., 1946 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.08 K; TRC |
| 229.35 | Streiff, Murphy, et al., 1946 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.07 K; TRC |
| 224.15 | Streiff, Murphy, et al., 1946 | Crystal phase 2 phase; Uncertainty assigned by TRC = 0.07 K; TRC |
| 228.15 | Leslie and Heuer, 1937 | Uncertainty assigned by TRC = 2. K; TRC |
| 228.7 | Parks and Huffman, 1931 | Uncertainty assigned by TRC = 0.6 K; TRC |
| 228.15 | Smith and Lund, 1930 | Uncertainty assigned by TRC = 0.2 K; TRC |
| 212.15 | Timmermans, 1921 | Uncertainty assigned by TRC = 0.5 K; TRC; Data excluded from overall average |
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.
Carpenter and Easter, 1954
Carpenter, M.S.; Easter, W.M.,
J. Org. Chem., 1954, 19, 77. [all data]
Boord, Greenlee, et al., 1946
Boord, C.E.; Greenlee, K.W.; Perilstein, W.L.,
The Synthesis, Purification and Prop. of Hydrocarbons of Low Mol. Weight, Am. Pet. Inst. Res. Proj. 45, Eighth Annu. Rep., Ohio State Univ., June 30, 1946. [all data]
Hirschler and Faulconer, 1946
Hirschler, A.E.; Faulconer, W.B.M.,
Freezing Points and Polymorphism of the Eight C9H12 Alkylbenzenes,
J. Am. Chem. Soc., 1946, 68, 210. [all data]
Streiff, Murphy, et al., 1946
Streiff, A.J.; Murphy, E.T.; Sedlak, V.A.; Willingham, C.B.; Rossini, F.D.,
Purification, Purity, and Freezing Points of 7 Heptanes, 16 Octanes, 6 Pentene, Cyclopentene, and 7 C9H12 Alkylbenzenes of the API-Standard and API-NBS Series,
J. Res. Natl. Bur. Stand. (U. S.), 1946, 37, 331. [all data]
Leslie and Heuer, 1937
Leslie, R.T.; Heuer, W.W.,
Study of the Crystal Behavior of Hydrocarbons,
J. Res. Natl. Bur. Stand. (U. S.), 1937, 18, 639. [all data]
Parks and Huffman, 1931
Parks, G.S.; Huffman, H.M.,
Some fusion and transition data for hydrocarbons,
Ind. Eng. Chem., 1931, 23, 1138-9. [all data]
Smith and Lund, 1930
Smith, L.I.; Lund, A.P.,
Studies on the polymethylbenzenes. IV. the preparation and physical properties of pure pseudocumene.,
J. Am. Chem. Soc., 1930, 52, 4144. [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]
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.