(carboxylatomethyl)trimethylammonium phosphate
- Formula: C5H14NO6P
- Molecular weight: 215.1415
- IUPAC Standard InChI: InChI=1S/C5H11NO2.H3O4P/c1-6(2,3)4-5(7)8;1-5(2,3)4/h4H2,1-3H3;(H3,1,2,3,4)
- IUPAC Standard InChIKey: RDQMORJTLICVPR-UHFFFAOYSA-N
- CAS Registry Number: 58823-88-4
- 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: Betaine phosphate
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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 by: Eugene S. Domalski and Elizabeth D. Hearing
Temperature of phase transition
| Ttrs (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|
| 82.67 | crystaline, III | crystaline, II | Maeda, Atake, et al., 1989 |
Enthalpy of phase transition
| ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 0.034 | 87.11 | crystaline, II | crystaline, I | Maeda, Atake, et al., 1989 | Total for both transitions. |
Entropy of phase transition
| ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 0.40 | 87.11 | crystaline, II | crystaline, I | Maeda, Atake, et al., 1989 | Total |
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.
Maeda, Atake, et al., 1989
Maeda, M.; Atake, T.; Saito, Y.; Terauchi, H.,
Low-temperture specific heats of betaine phosphate and successive phase transitions at 82.7 and 87.1K,
J. Phys. Soc. Japan, 1989, 58(4), 1135-1136. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Ttrs Temperature of phase transition ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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