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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 data sheet (MSDS) for this chemical from a reliable source such as MSDS Search Engine, and follow its direction. == Structure and properties == | Structure and properties | | Index of refraction, nD | 1.5442 | | Abbe number | ? | | Dielectric constant, | 6.12 at 17–22 °C | | Bond strength | ? | | Bond length | ? | | Bond angle | ? | | Magnetic susceptibility | −6}} cgs | |
== Thermodynamic properties == | Phase behavior | | Triple point | 1074 K (801 °C), 30 Pa | | Critical point | 6}} Pa | Std enthalpy change
of fusion, ΔfusHo | 27.95 kJ/mol (0.52 kJ/g)[1][2] | Std entropy change
of fusion, ΔfusSo | 26.02 J/(mol·K) | Std enthalpy change
of vaporization, ΔvapHo | ? kJ/mol | Std entropy change
of vaporization, ΔvapSo | ? J/(mol·K) | | Solid properties |
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Std enthalpy change
of formation, ΔfHosolid | −411.12 kJ/mol[2] | Standard molar entropy,
Sosolid | 72 J/(mol·K) | | Heat capacity, cp | 50 J/(mol·K) ; 0.853 J/(g·k)[2] | | Liquid properties |
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Std enthalpy change
of formation, ΔfHoliquid | −385.92 kJ/mol | Standard molar entropy,
Soliquid | 95.06 J/(mol·K) | | Density | 1.549 g/cm3,[2] at 850 °C | | Heat capacity, cp | ? J/(mol·K) | | Boiling point | 1465 °C[2] | | Gas properties |
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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 == | UV-Vis | | λmax | ? nm | | Extinction coefficient, ε | ? | | IR |
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| Major absorption bands | ? cm−1 | | NMR |
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| Proton NMR | | | Carbon-13 NMR | | | Other NMR data | | | MS |
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Masses of
main fragments | | |
References 1. ^"[https://pubchem.ncbi.nlm.nih.gov/compound/sodium_chloride#section=Other-Experimental-Properties NaCl CID 5234, 4.2.14 Other Experimental Properties]"
2. ^1 2 3 4 "NaCl Other Chemical/Physical Properties"
Except where noted otherwise, data relate to standard ambient temperature and pressure. Disclaimer applies. External links- vapour pressure J Chem Thermod
1 : Chemical data pages |