Robbins constant
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Material Safety Data Sheet
The handling of this chemical may require safety precautions. The directions on the Material Safety Datasheet (MSDS) should be followed.
Structure and properties
Structure and properties | |
---|---|
Index of refraction, nD | 1.3392 at 18°C |
Abbe number | ? |
Dielectric constant, εr | 21.1 ε0 at 21 °C |
Bond strength | ? |
Bond length | ? |
Bond angle | ? |
Magnetic susceptibility | ? |
Surface tension[1] | 22.3 dyn/cm at 10°C 21.2 dyn/cm at 20°C 17.0 dyn/cm at 50°C |
Viscosity[2] | 0.2751 mPa·s at 0°C 0.2521 mPa·s at 10°C 0.2307 mPa·s at 20°C |
Thermodynamic properties
Phase behavior | |
---|---|
Triple point | ? K (? °C), ? Pa |
Critical point[3] | 466 K (183 °C), 5570 kPa |
Std enthalpy change of fusion, ΔfusH |
2.310 kJ/mol |
Std entropy change of fusion, ΔfusS |
15.43 J/(mol·K) |
Std enthalpy change of vaporization, ΔvapH |
26.12 kJ/mol |
Std entropy change of vaporization, ΔvapS |
? J/(mol·K) |
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 |
–196.4 kJ/mol |
Standard molar entropy, S |
117.3 J/(mol K) |
Enthalpy of combustion, ΔcH |
–1167 kJ/mol |
Heat capacity, cp | 96.21 J/(mol K) at 0°C 89.05 J/(mol K) at 25°C |
Gas properties | |
Std enthalpy change of formation, ΔfH |
–170.7 kJ/mol |
Standard molar entropy, S |
250.3 J/(mol K) |
Heat capacity, cp | 55.32 J/(mol K) at 25°C |
Vapor pressure of liquid
P in mm Hg | 1 | 10 | 40 | 100 | 400 | 760 |
T in °C | –81.5 | –56.8 | –37.8 | –22.6 | 4.9 | 20.2 |
Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.
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Spectral data
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λmax | ? nm | ||||||||||||||||||||||||||||||||
Extinction coefficient, ε | ? | ||||||||||||||||||||||||||||||||
IR | |||||||||||||||||||||||||||||||||
Major absorption bands[4] |
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NMR | |||||||||||||||||||||||||||||||||
Proton NMR | |||||||||||||||||||||||||||||||||
Carbon-13 NMR | |||||||||||||||||||||||||||||||||
Other NMR data | |||||||||||||||||||||||||||||||||
MS | |||||||||||||||||||||||||||||||||
Masses of main fragments |
References
- ↑ Lange's Handbook of Chemistry, 10th ed. pp 1661-1663
- ↑ Lange's Handbook of Chemistry, 10th ed. pp 1669-1674
- ↑ 3.0 3.1 Template:Cite web
- ↑ Template:Cite web
Except where noted otherwise, data relate to standard ambient temperature and pressure.
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