Methanol (data page)

Encyclopedia : M : ME : MET : Methanol (data page)

This page provides supplementary chemical data on methanol.

Contents

1 Material Safety Data Sheet
2 Structure and properties
3 Thermodynamic properties
4 Spectral data
5 References

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, n_D ?
Dielectric constant, ε_r ? ε₀ at ? °C
Bond strength ?
Bond length ?
Bond angle ?
Magnetic susceptibility ?

Structure and properties
Index of refraction, n_D	?
Dielectric constant, ε_r	? ε₀ at ? °C
Bond strength	?
Bond length	?
Bond angle	?
Magnetic susceptibility	?

Thermodynamic properties

Phase behavior
Triple point 175.5 K (−97.7 °C), ? Pa
Critical point 513 K (240 °C), 78.5 bar
Std enthalpy change
of fusion, Δ_fusH^o ? kJ/mol
Std entropy change
of fusion, Δ_fusS^o ? J/(mol·K)
Std enthalpy change
of vaporization, Δ_vapH^o +37.4 kJ/mol
Std entropy change
of vaporization, Δ_vapS^o ? J/(mol·K)
Solid properties
Std enthalpy change
of formation, Δ_fH^o_solid ? kJ/mol
Standard molar entropy,
S^o_solid ? J/(mol K)
Heat capacity, c_p ? J/(mol K)
Liquid properties
Std enthalpy change
of formation, Δ_fH^o_liquid −238.4 kJ/mol
Standard molar entropy,
S^o_liquid 127.2 J/(mol K)
Heat capacity, c_p 79.5 J/(mol K)
Gas properties
Std enthalpy change
of formation, Δ_fH^o_gas −201 kJ/mol
Standard molar entropy,
S^o_gas 239.9 J/(mol K)
Heat capacity, c_p 44.06 J/(mol K)

Phase behavior
Triple point	175.5 K (−97.7 °C), ? Pa
Critical point	513 K (240 °C), 78.5 bar
Std enthalpy change of fusion, Δ_fusH^o	? kJ/mol
Std entropy change of fusion, Δ_fusS^o	? J/(mol·K)
Std enthalpy change of vaporization, Δ_vapH^o	+37.4 kJ/mol
Std entropy change of vaporization, Δ_vapS^o	? J/(mol·K)
Solid properties
Std enthalpy change of formation, Δ_fH^o_solid	? kJ/mol
Standard molar entropy, S^o_solid	? J/(mol K)
Heat capacity, c_p	? J/(mol K)
Liquid properties
Std enthalpy change of formation, Δ_fH^o_liquid	−238.4 kJ/mol
Standard molar entropy, S^o_liquid	127.2 J/(mol K)
Heat capacity, c_p	79.5 J/(mol K)
Gas properties
Std enthalpy change of formation, Δ_fH^o_gas	−201 kJ/mol
Standard molar entropy, S^o_gas	239.9 J/(mol K)
Heat capacity, c_p	44.06 J/(mol K)

Spectral data

UV-Vis
λ_max ? nm
Extinction coefficient, ε ?
IR
Major absorption bands ? cm⁻¹
NMR
Proton NMR
Carbon-13 NMR
Other NMR data
MS
Masses of
main fragments

UV-Vis
λ_max	? 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

[NIST Chemistry WebBook]

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

[Chemical infoboxDisclaimer] applies.

From Wikipedia, the Free Encyclopedia. Original article here. Support Wikipedia by contributing or donating.
All text is available under the terms of the GNU Free Documentation License See Wikipedia Copyrights for details.