Norethindrone pentamethyldisiloxyl ether
- Formula: C25H40O2Si2
- Molecular weight: 428.7549
- CAS Registry Number: 71203-43-5
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Phase change data
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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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 355.0 | K | N/A | Lewis and Enever, 1979 | Uncertainty assigned by TRC = 1. K; TRC |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 22.900 | 355. | Lewis and Enever, 1979, 2 | DH |
Entropy of fusion
| ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 64.5 | 355. | Lewis and Enever, 1979, 2 | DH |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Lewis and Enever, 1979
Lewis, G.A.; Enever, R.P.,
Solution thermodynamics of some potentially long-acting norethindrone derivatives. I. Variation of enthalpies and entropies of fusion with temp.,
Int. J. Pharm., 1979, 22, 203. [all data]
Lewis and Enever, 1979, 2
Lewis, G.A.; Enever, R.P.,
Solution thermodynamics of some potentially long-acting norethindrone derivatives. I. Variation of enthalpies and entropies of fusion with temperature,
Int. J. Pharm., 1979, 22, 203-214. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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