Netica Solution

This page provides supplementary chemical data on ethane.

Contents

• 1 Material Safety Data Sheet
• 2 Structure and properties
• 3 Thermodynamic properties
• 4 Vapor pressure of liquid
• 5 Spectral data
• 6 References

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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, nD
 ?

Abbe number
?

Dielectric constant, εr
 ? ε0 at ? °C

Bond strength
 ?

Bond length
 ?

Bond angle
 ?

Magnetic susceptibility
 ?

Surface tension
21.16 dyn/cm at –119.9°C

Thermodynamic properties

Phase behavior

Triple point
91 K (–182 °C), 1.1 Pa

Critical point
305.3 K (32.2 °C), 4.9 MPa

Std enthalpy change
of fusion, ΔfusHo
9.76 kJ/mol at –182°C

Std entropy change
of fusion, ΔfusSo
6.46 J/(mol·K) at –182°C

Std enthalpy change
of vaporization, ΔvapHo
crystal I → liquid
14.703 kJ/mol at –89.0°C

Std entropy change
of vaporization, ΔvapSo
crystal I → liquid
79.87 J/(mol·K) at –89.0°C

Std enthalpy change
of state transition, ΔtrsHo
crystal II → crystal I
2.282 kJ/mol at –183.3°C

Std entropy change
of state transition, ΔtrsSo
crystal II → crystal I
25.48 kJ/mol at –183.3°C

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
 ? kJ/mol

Standard molar entropy,
Soliquid
126.7 J/(mol K)

Heat capacity, cp
68.5 J/(mol K) at –179°C

Gas properties

Std enthalpy change
of formation, ΔfHogas
–83.8 kJ/mol

Standard molar entropy,
Sogas
173.8 J/(mol K)

Enthalpy of combustion, ΔcHo
–1560.7 kJ/mol

Heat capacity, cp
52.49 J/(mol K) at 25°C

van der Waals’ constants
a = 556.2 L2 kPa/mol2
b = 0.6380 liter per mole

Vapor pressure of liquid

P in mm Hg
1
10
40
100
400
760
1520
3800
7600
15200
30400
45600

T in °C
–159.5
–142.9
–129.8
–119.3
–99.6
–88.6
–75.0
–52.8
–32.0
–6.4
23.6
 —

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

log10 of Ethane vapor pressure. Uses formula obtained from CHERIC

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
 

References

1. ^ Lange’s Handbook of Chemistry 10th ed, pp 1522-1524
2. ^ “Pure Component Properties” (Queriable database). Chemical Engineering Research Information Center. Retrieved on 8 May 2007.

Except where noted otherwise, data relate to standard ambient temperature and pressure.

Disclaimer applies.

Retrieved from “http://en.wikipedia.org/wiki/Ethane_(data_page)”
Categories: Chemical data pages | Alkanes