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Sodium chloride (data page)
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This page provides supplementary chemical data on sodium chloride.
Material Safety Data Sheet
The handling of this chemical may incur notable safety precautions. It is highly recommended that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source such as SIRI, and follow its directions.
Structure and properties
Thermodynamic properties
| Phase behavior |
| Triple point |
1074 K (801 °C), 30 Pa |
| Critical point |
3900 K (3600 °C), 26 × 106 Pa |
Std enthalpy change
of fusion, ΔfusHo |
? kJ/mol |
Std entropy change
of fusion, ΔfusSo |
? J/(mol·K) |
Std enthalpy change
of vaporization, ΔvapHo |
? kJ/mol |
Std entropy change
of vaporization, ΔvapSo |
? J/(mol·K) |
| Solid properties |
Std enthalpy change
of formation, ΔfHosolid |
-411.12 kJ/mol |
Standard molar entropy,
Sosolid |
? J/(mol K) |
| Heat capacity, cp |
72.11 J/(mol K) |
| Liquid properties |
Std enthalpy change
of formation, ΔfHoliquid |
-385.92 kJ/mol |
Standard molar entropy,
Soliquid |
95.06 J/(mol K) |
| Heat capacity, cp |
? J/(mol K) |
| Gas properties |
Std enthalpy change
of formation, ΔfHogas |
-181.42 kJ/mol |
Standard molar entropy,
Sogas |
229.79 J/(mol K) |
| Heat capacity, cp |
? J/(mol K) |
Spectral data
References
Except where noted otherwise, data relate to standard ambient temperature and pressure.
Disclaimer applies.
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