M-Xylene (data page)

Last updated

This page provides supplementary chemical data on m-Xylene.

Contents

Material Safety Data Sheet

The handling of this chemical may incur notable safety precautions. It is highly recommend 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

Structure and properties
Index of refraction, nD1.49722 at 20 °C
Abbe number ?
Dielectric constant, [1] εr2.374 ε0 at 20 °C
Bond strength  ?
Bond length  ?
Bond angle  ?
Magnetic susceptibility  ?
Surface tension [2] 31.15 dyn/cm at 0 °C
28.90 dyn/cm at 20 °C
20.46 dyn/cm at 100 °C
Viscosity [3] 0.8059 mPa·s at 0 °C
0.6200 mPa·s at 20 °C
0.4970 mPa·s at 40 °C
0.3455 mPa·s at 80 °C
0.2418 mPa·s at 130 °C
Solubility [4] 0.203 g/L at 0 °C
0.161 g/L at 25 °C
0.22 g/L at 40 °C

Thermodynamic properties

Phase behavior
Triple point 219.6 K (–53.5 °C), ? Pa
Critical point 618 K (345 °C), ? Pa
Std enthalpy change
of fusion, ΔfusHo		11.57 kJ/mol
Std entropy change
of fusion, ΔfusSo		51.36 J/(mol·K) at –47.88 °C
Std enthalpy change
of vaporization, ΔvapHo		35.66 kJ/mol at 139.2 °C
Std entropy change
of vaporization, ΔvapSo		 ? J/(mol·K)
Solid properties
Std enthalpy change
of formation, ΔfHosolid		 ? kJ/mol
Standard molar entropy,
Sosolid		 ? J/(mol K)
Heat capacity, cp ? J/(mol K)
Liquid properties
Std enthalpy change
of formation, ΔfHoliquid		–25.4 kJ/mol
Standard molar entropy,
Soliquid		253.80 J/(mol K)
Enthalpy of combustion, ΔcHo–4549 kJ/mol
Heat capacity, cp184.5 J/(mol K) at 25 °C
Gas properties
Std enthalpy change
of formation, ΔfHogas		17.2 kJ/mol
Standard molar entropy,
Sogas		358.2 J/(mol K)
Heat capacity, cp125.8 J/(mol K)
van der Waals' constants [5] a = 3076 L2 kPa/mol2
b = 0.1772 liter per mole

Vapor pressure of liquid

P in mm Hg11040100400760
T in °C–6.928.355.376.8116.7139.1

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

log10 of m-Xylene vapor pressure. Uses formula: log e [?] P m m H g = {\displaystyle \scriptstyle \log _{e}P_{mmHg}=} log e [?] ( 760 101.325 ) - 9.106679 log e [?] ( T + 273.15 ) - 7556.611 T + 273.15 + 76.86698 + 5.403634 x 10 - 6 ( T + 273.15 ) 2 {\displaystyle \scriptstyle \log _{e}({\frac {760}{101.325}})-9.106679\log _{e}(T+273.15)-{\frac {7556.611}{T+273.15}}+76.86698+5.403634\times 10^{-6}(T+273.15)^{2}} obtained from CHERIC LogMXyleneVaporPressure.png
log10 of m-Xylene vapor pressure. Uses formula: obtained from CHERIC

Distillation data

See also:

Vapor-liquid Equilibrium
for m-Xylene/Carbon tetrachloride [7]
P = 760 mm Hg
BP
Temp.
°C		 % by mole carbon tetrachloride
liquidvapor
137.01.85.8
131.96.521.9
126.811.435.6
122.016.446.5
118.120.855.2
113.925.862.6
110.230.668.7
106.435.773.9
102.841.278.8
102.341.979.6
98.148.884.3
94.156.288.0
90.663.591.1
87.570.493.5
84.677.595.5
82.184.397.1
79.791.198.4
77.597.799.6
  
Vapor-liquid Equilibrium
for m-Xylene/Toluene [7]
P = 760 mm Hg
BP
Temp.
°C		 % by mole toluene
liquidvapor
133.2011.135.8
129.8718.646.2
119.6852.371.8
118.5656.174.1
117.9159.376.0
117.3762.577.9
116.3267.780.2
116.3668.881.6
115.9769.882.2
115.3073.684.4
  
Vapor-liquid Equilibrium
for m-Xylene/Benzene [7]
P = 760 mm Hg
BP
Temp.
°C		 % by mole benzene
liquidvapor
124.8010.244.7
118.9417.559.8
115.4021.465.5
112.3028.473.2
106.3534.078.0
102.0842.783.3
99.1549.486.5
96.7059.590.3
90.8968.193.0
 
Vapor-liquid Equilibrium
for m-Xylene/Aniline [7]
P = 745 mm Hg
BP
Temp.
°C		 % by mole m-xylene
liquidvapor
16710.045.5
16019.558.0
15334.071.5
14653.083.0
14371.589.0
14182.093.0

Spectral data

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:
  

References

  1. ↑ CRC Handbook of Chemistry and Physics, 44th ed. pp 2611–2620
  2. ↑ Lange's Handbook of Chemistry, 10th ed. pp 1661–1663
  3. ↑ Lange's Handbook of Chemistry, 10th ed. pp 1669–1674
  4. ↑ CRC Handbook of Chemistry and Physics, 85th ed. p 8-111
  5. ↑ Lange's Handbook of Chemistry, 10th ed, pp 1522–1524
  6. ↑ "Pure Component Properties" (Queriable Database). Chemical Engineering Research Information Center. Retrieved 28 May 2007.
  7. 1 2 3 4 "Binary Vapor-Liquid Equilibrium Data". Chemical Engineering Research Information Center. Archived from the original (Queriable database) on 29 August 2007. Retrieved 28 May 2007.

Linstrom, Peter (1997). "NIST Standard Reference Database". National Institute of Standards and Technology. doi:10.18434/T4D303.{{cite journal}}: Cite journal requires |journal= (help)

This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.