Methyl methacrylate (data page)

This page provides supplementary chemical data on Methyl methacrylate.

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	1.4142
Abbe number	?
Dielectric constant, εr	6.32 at 303.2 K
Bond strength	?
Bond length	?
Bond angle	?
Magnetic susceptibility	57.3 x 10−6cm3mol−1

Thermodynamic properties

Phase behavior
Triple point	? K (? °C), ? Pa
Critical point	? K (? °C), ? Pa
Std enthalpy change of fusion, ΔfusHo	14.4 kJ/mol
Std entropy change of fusion, ΔfusSo	? J/(mol·K)
Std enthalpy change of vaporization, ΔvapHo	36.0 kJ/mol
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)
Specific heat capacity, cp	? J/(mol K)
Liquid properties
Std enthalpy change of formation, ΔfHoliquid	? kJ/mol
Standard molar entropy, Soliquid	? J/(mol K)
Specific heat capacity, cp	191.2 J/(mol K)
Gas properties
Std enthalpy change of formation, ΔfHogas	? kJ/mol
Standard molar entropy, Sogas	? J/(mol K)
Specific heat capacity, cp	? J/(mol K)

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

Vapor pressure of liquid

P in Pa 100 1k 10k 100k T in °C -31 e -1 e 39.7 100.0 e - extrapolated data

Thermal conductivity of liquid

T in °C 0 25 50 75 100 Thermal Conductivity in W/m K 0.156 0.147 0.137 0.127 0.117

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• Except where noted otherwise, data relate to Standard temperature and pressure.
• Reliability of data general note.