Triphenylmethyl chloride
- Formula: C19H15Cl
- Molecular weight: 278.775
- IUPAC Standard InChIKey: JBWKIWSBJXDJDT-UHFFFAOYSA-N
- CAS Registry Number: 76-83-5
- 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: Trityl chloride; Triphenylchloromethane; Chlorotriphenylmethane; Benzene, 1,1',1''-(chloromethylidyne)tris-; Methane, chlorotriphenyl-
- 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.
Phase change data
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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 381. | K | N/A | Smith and Andrews, 1931 | Uncertainty assigned by TRC = 4. K; m.p. by Hg thermometer; TRC |
Tfus | 382.4 | K | N/A | Smith and Andrews, 1931 | Uncertainty assigned by TRC = 0.5 K; m.p. b thermocouple; TRC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
505.7 | 0.026 | Weast and Grasselli, 1989 | BS |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
6.6683 | 376.8 | Naoki, Seki, et al., 1991 | DH |
6.67 | 376.8 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
17.7 | 376.8 | Naoki, Seki, et al., 1991 | DH |
Temperature of phase transition
Ttrs (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|
250. | crystaline | glass | Naoki, Seki, et al., 1991 | DH |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Smith and Andrews, 1931
Smith, R.H.; Andrews, D.H.,
Thermal Energy Studies I. Phenyl Derivatives of Methane, Ethane and Some Related Compounds,
J. Am. Chem. Soc., 1931, 53, 3644. [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]
Naoki, Seki, et al., 1991
Naoki, M.; Seki, M.; Kugo, H.; Saito, F.; Taioka, T.,
Dielectric relaxation in supercooled triphenylchloromethane and intrinsic factor determining mobility in molecular liquids,
J. Phys. Chem., 1991, 95(14), 5628-5633. [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]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point Ttrs Temperature of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion - 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.