Chloromethane (data page)
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This page provides supplementary chemical data on chloromethane.
Safety data sheet
[edit]The handling of this chemical may incur notable safety precautions. It is highly recommended that you seek the safety data sheet for this chemical from a reliable source such as SIRI, and follow its directions. SDS for chloromethane is available at Supelco Inc
Structure and properties
[edit]Structure and properties | |
---|---|
Index of refraction,[1] nD | 1.3389 |
Abbe number | ? |
Dielectric constant,[2] εr | 12.9 ε0 at 25 °C |
Bond strength | ? |
Bond length | ? |
Bond angle | ? |
Dipole moment | 1.9 D |
Magnetic susceptibility | ? |
Acentric factor | 0.153 |
Critical compressibility | 0.268247 |
Compressibility factor | 0.985 |
Density [3] | 1002.9 kg/m3 at -24.2 °C (liquid) 2.55 kg/m3 at -24.2 °C (gas) 2.22 kg/m3 at 0 °C (gas) 2.134 kg/m3 at 15 °C (gas) |
Surface tension[4] | 19.5 dyn/cm at 0 °C 17.8 dyn/cm at 10 °C 16.2 dyn/cm at 20 °C |
Viscosity[5] | 0.2280 mPa·s at 0 °C 0.1784 mPa·s at 20 °C 0.1440 mPa·s at 40 °C |
Thermal conductivity | 10.5 mW/(m·K) at 0 °C |
Thermodynamic properties
[edit]Phase behavior | |
---|---|
Triple point | 175.43 K (–97.72 °C), 870 Pa |
Critical point | 416 K (143 °C), 6714.4 kPa |
Std enthalpy change of fusion, ΔfusH |
6.43 kJ/mol |
Std entropy change of fusion, ΔfusS |
36.66 J/(mol·K) |
Std enthalpy change of vaporization, ΔvapH |
21.535 kJ/mol at –24.21 °C 20.09 kJ/mol at 20 °C |
Std entropy change of vaporization, ΔvapS |
86.51 J/(mol·K) at –24.21 °C |
Solid properties | |
Std enthalpy change of formation, ΔfH |
? kJ/mol |
Standard molar entropy, S |
? J/(mol K) |
Heat capacity, cp | ? J/(mol K) |
Liquid properties | |
Std enthalpy change of formation, ΔfH |
–86.37 kJ/mol at 25 °C |
Standard molar entropy, S |
140.08 J/(mol K) |
Heat capacity, cp | 81.2 J/(mol K) at 15 °C |
Gas properties | |
Std enthalpy change of formation, ΔfH |
–83.68 kJ/mol |
Standard molar entropy, S |
234.36 J/(mol K) at 100 kPa |
Enthalpy of combustion, ΔcH |
–764.0 kJ/mol |
Heat capacity, cp | 40.70 J/(mol K) at 25 °C |
van der Waals' constants[6] | a = 757.0 L2 kPa/mol2 b = 0.06483 liter per mole |
Vapor pressure of liquid
[edit]P in mm Hg | 1 | 10 | 40 | 100 | 400 | 760 | 1520 | 3800 | 7600 | 15200 | 30400 | 45600 | |
T in °C | — | –92.4 | –76.0 | –63.0 | –38.0 | –24.0 | –6.4 | 22.0 | 47.3 | 77.3 | 113.8 | 137.5 |
Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.
![](http://upload.wikimedia.org/wikipedia/commons/c/cd/LogMethylChlorideVaporPresure.png)
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 |
References
[edit]- ^ "Methyl Chloride". Inchem. Retrieved 30 May 2007.
- ^ "Dielectric Constants Chart". ASI Instruments. Archived from the original on 29 May 2007. Retrieved 30 May 2007.
- ^ Air Liquide Gas Encyclopedia
- ^ Lange's Handbook of Chemistry, 10th ed. pp. 1661–1663
- ^ a b "Pure Component Properties" (Queriable database). Chemical Engineering Research Information Center. Retrieved 30 May 2007.
- ^ Lange's Handbook of Chemistry 10th ed, pp. 1522–1524
- Linstrom, Peter (1997). "NIST Standard Reference Database". National Institute of Standards and Technology. doi:10.18434/T4D303.
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- Except where noted otherwise, data relate to Standard temperature and pressure.
- Reliability of data general note.