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 ChemicalBook, 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 × 10−6cm3mol−1

Thermodynamic properties

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