Nitromethane (data page)

This page provides supplementary chemical data on nitromethane.

Material Safety Data Sheet

The handling of this chemical may incur notable safety precautions. MSDS is available from Mallinckrodt Baker.[1]

Structure and properties

Structure and properties
Dielectric constant, εr 37.27 ε0 at 20 °C [2]
Surface tension 39.04 dyn/cm at 10 °C
36.53 dyn/cm at 25 °C
32.33 dyn/cm at 50 °C[3]

Thermodynamic properties

Phase behavior
Triple point 244.77 K (−23.38 °C), ? Pa
Std entropy change
of fusion, ΔfusSo 		39.6 J/(mol·K)
Std entropy change
of vaporization, ΔvapSo 		128.36 J/(mol·K)
Solid properties
Liquid properties
Gas properties
Std enthalpy change
of formation, ΔfHogas 		−80.8 kJ/mol[4]
Standard molar entropy,
Sogas 		282.9 J/(mol·K)[4]
Heat capacity, cp[5] 55.5 J/(mol·K) at 25 °C[4]

Vapor pressure of liquid

P in mm Hg 1 10 40 100 400 760
T in °C −29.0 2.8 27.5 46.6 82.0 101.2

Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.

Distillation data

Vapor-liquid Equilibrium
for Nitromethane/Ethanol[6]
P = 730 mm Hg
BP
Temp.
°C 		% by mole ethanol
liquid vapor
97.7 3.0 15.7
93.4 4.7 22.3
88.9 8.5 32.9
86.1 12.2 39.5
83.6 16.6 45.3
80.6 25.6 52.9
79.2 31.8 56.3
77.9 45.1 63.5
77.0 53.9 66.9
77.1 58.9 68.6
76.5 64.6 70.5
76.4 72.4 74.0
76.6 78.7 77.3
76.5 81.9 79.4
76.7 85.9 82.2
76.9 91.4 87.1
77.7 95.3 93.0
77.8 97.3 96.5
   
Vapor-liquid Equilibrium
for Nitromethane/Methanol[6]
P = 730 mm Hg
BP
Temp.
°C 		% by mole methanol
liquid vapor
96.9 1.5 13.3
93.1 2.6 22.8
89.1 4.8 33.4
84.8 7.5 42.9
82.1 9.6 48.4
77.9 15.2 57.0
72.9 25.4 67.3
71.1 31.4 70.4
68.2 42.6 74.7
67.3 49.3 76.1
65.6 67.8 81.8
65.1 74.7 83.8
65.0 81.3 86.4
64.6 88.6 90.1
64.5 91.4 92.1
64.4 96.0 95.6
64.5 99.4 99.3

Spectral data

  This box:   

References

  1. ^ Mallinckrodt Baker
  2. ^ Haynes, p. 6189
  3. ^ Haynes, p. 6.182
  4. ^ a b c Haynes, p. 5.20
  5. ^ a b "Pure Component Properties". Chemical Engineering Research Information Center. Retrieved 20 May 2007.
  6. ^ a b "Binary Vapor-Liquid Equilibrium Data" (Queriable database). Chemical Engineering Research Information Center. Retrieved 20 May 2007.

Cited sources

Further reading

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