Please find below supplementary chemical data about dichloromethane.

MSDS sheets The handling of this chemical may incur notable safety precautions. It is highly recommended that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source and follow its directions. Sigma-Aldrich

Structure and properties

Structure and properties Index of refraction, nD 1.4242 Abbe number? Dielectric constant,CRC Handbook of Chemistry and Physics, 47th ed. p E-54 εr 9.08 ε0 at 20 °C Dipole moment,The Microwave Spectra, Structure, Dipole Moment, and Chlorine Nuclear Quadrupole Coupling Constants of Methylene Chloride Rollie J. Myers and William D. Gwinn, J. Chem. Phys. 20, 1420 (1952); doi:10.1063/1.1700773 1.62 D Bond strength ? Bond length ? Bond angle ? Magnetic susceptibility ? Surface tensionCRC Handbook of Chemistry and Physics, 47th ed. pp F-28 - F-30 26.52 dyn/cm at 20 °C ViscosityCRC Handbook of Chemistry and Physics, 47th ed. pp F-33 - F-38 0.449 mPa·s at 15 °C0.393 mPa·s at 30 °C

Thermodynamic properties

Phase behavior Triple point ? K (? °C), ? Pa Critical point 510 K (237 °C), 6100 kPa Std enthalpy changeof fusion, ΔfusHo +6.160 kJ/mol Std entropy changeof fusion, ΔfusSo ? J/(mol·K) Std enthalpy changeof vaporization, ΔvapHo 28.6 kJ/mol Std entropy changeof vaporization, ΔvapSo 91.43 J/(mol·K) Solid properties Std enthalpy changeof formation, ΔfHosolid ? kJ/mol Standard molar entropy,Sosolid ? J/(mol K) Heat capacity, cp ? J/(mol K) Liquid properties Std enthalpy changeof formation, ΔfHoliquid −124.3 kJ/mol Standard molar entropy,Soliquid 174.5 J/(mol K) Heat capacity, cp 102.3 J/(mol K) Gas properties Std enthalpy changeof formation, ΔfHogas −95.52 kJ/mol Standard molar entropy,Sogas 270.28 J/(mol K) Heat capacity, cp ? J/(mol K) van der Waals' constants a = 1244 L2 kPa/mol2 b = 0.08689 liter per mole

Vapor pressure of liquid P in mm Hg 1 10 40 100 400 760 T in °C –70.0 –43.3 –22.3 –6.3 24.1 40.7 Table data obtained from CRC Handbook of Chemistry and Physics 47th ed.

Spectral data UV-Vis Spectrum ? Lambda-max ? nm Log Ε ? IR Spectrum NIST Major absorption bands ? cm−1 NMR Proton NMR δ CDCl3 5.30 (s, 2H) Carbon-13 NMR δ CDCl3 53.5 Other NMR data ? MS Masses of main fragments ?

Structure and properties data Structure and properties Index of refraction 1.424 Dielectric constant 8.93 Viscosity 0.44 cP at 20 °C

References

NIST website G. W. C. Kaye and T. H. Laby, Tables of Physical & Chemical Constants at National Physical Laboratory Heat capacity