This page provides supplementary chemical data on sodium chloride.
Material safety data sheet edit
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 eChemPortal, and follow its direction.
Structure and properties edit
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 | −30.3×10−6 cgs |
Thermodynamic properties edit
Phase behavior | |
---|---|
Triple point | 1074 K (801 °C), 30 Pa |
Critical point | 3900 K (3600 °C), 26×106 Pa |
Std enthalpy change of fusion, ΔfusH |
27.95 kJ/mol (0.52 kJ/g)[1][2] |
Std entropy change of fusion, ΔfusS |
26.02 J/(mol·K) |
Std enthalpy change of vaporization, ΔvapH |
? kJ/mol |
Std entropy change of vaporization, ΔvapS |
? J/(mol·K) |
Solid properties | |
Std enthalpy change of formation, ΔfH |
−411.12 kJ/mol[2] |
Standard molar entropy, S |
72 J/(mol·K) |
Heat capacity, cp | 50 J/(mol·K) ; 0.853 J/(g·k)[2] |
Liquid properties | |
Std enthalpy change of formation, ΔfH |
−385.92 kJ/mol |
Standard molar entropy, S |
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 | |
Std enthalpy change of formation, ΔfH |
−181.42 kJ/mol |
Standard molar entropy, S |
229.79 J/(mol·K) |
Heat capacity, cp | ? J/(mol·K) |
Density data of aqueous solutions edit
NaCl, wt% | Teq, °C | ρ, g/cm3 | n | η, mPa·s |
---|---|---|---|---|
0 | 0 | 0.99984 | 1.333 | 1.002 |
0.5 | −0.3 | 1.0018 | 1.3339 | 1.011 |
1 | −0.59 | 1.0053 | 1.3347 | 1.02 |
2 | −1.19 | 1.0125 | 1.3365 | 1.036 |
3 | −1.79 | 1.0196 | 1.3383 | 1.052 |
4 | −2.41 | 1.0268 | 1.34 | 1.068 |
5 | −3.05 | 1.034 | 1.3418 | 1.085 |
6 | −3.7 | 1.0413 | 1.3435 | 1.104 |
7 | −4.38 | 1.0486 | 1.3453 | 1.124 |
8 | −5.08 | 1.0559 | 1.347 | 1.145 |
9 | −5.81 | 1.0633 | 1.3488 | 1.168 |
10 | −6.56 | 1.0707 | 1.3505 | 1.193 |
12 | −8.18 | 1.0857 | 1.3541 | 1.25 |
14 | −9.94 | 1.1008 | 1.3576 | 1.317 |
16 | −11.89 | 1.1162 | 1.3612 | 1.388 |
18 | −14.04 | 1.1319 | 1.3648 | 1.463 |
20 | −16.46 | 1.1478 | 1.3684 | 1.557 |
22 | −19.18 | 1.164 | 1.3721 | 1.676 |
23.3 | −21.1 | |||
23.7 | −17.3 | |||
24.9 | −11.1 | |||
26.1 | −2.7 | |||
26.28 | 0 | |||
26.32 | 10 | |||
26.41 | 20 | |||
26.45 | 25 | |||
26.52 | 30 | |||
26.67 | 40 | |||
26.84 | 50 | |||
27.03 | 60 | |||
27.25 | 70 | |||
27.5 | 80 | |||
27.78 | 90 | |||
28.05 | 100 |
Note: ρ is density, n is refractive index at 589 nm,[clarification needed] and η is viscosity, all at 20 °C; Teq is the equilibrium temperature between two phases: ice/liquid solution for Teq < 0–0.1 °C and NaCl/liquid solution for Teq above 0.1 °C.
Spectral data edit
UV-Vis | |
---|---|
λmax | ? nm |
Extinction coefficient, ε | ? |
IR | |
Major absorption bands | ? cm−1 |
NMR | |
Proton NMR | |
Carbon-13 NMR | |
Other NMR data | |
MS | |
Masses of main fragments |
This box:
- Except where noted otherwise, data relate to Standard temperature and pressure.
- Reliability of data general note.
References edit
- ^ "NaCl CID 5234, 4.2.14 Other Experimental Properties"
- ^ a b c d e "NaCl Other Chemical/Physical Properties"[dead link]
- ^ Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. pp. 8–71, 8–116. ISBN 0-8493-0486-5.