Wikipedia

Methyl methacrylate (data page)

This page provides supplementary chemical data on Methyl methacrylate.

Material Safety Data Sheet

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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

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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

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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

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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

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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

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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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