Please find below supplementary chemical data about dichloromethane.

MSDS sheets

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 and follow its directions.

Structure and properties

Structure and properties
Index of refraction, nD1.4242
Abbe number?
Dielectric constant, εr9.08 ε0 at 20 °C
Dipole moment,1.62 D
Bond strength?
Bond length?
Bond angle?
Magnetic susceptibility?
Surface tension26.52 dyn/cm at 20 °C
Viscosity0.449 mPa·s at 15 °C 0.393 mPa·s at 30 °C

Thermodynamic properties

Phase behavior
Triple point? K (? °C), ? Pa
Critical point510 K (237 °C), 6100 kPa
Std enthalpy change of fusion, ΔfusHo+6.160 kJ/mol
Std entropy change of fusion, ΔfusSo? J/(mol·K)
Std enthalpy change of vaporization, ΔvapHo28.6 kJ/mol
Std entropy change of vaporization, ΔvapSo91.43 J/(mol·K)
Solid properties
Std enthalpy change of formation, ΔfHosolid? kJ/mol
Standard molar entropy, Sosolid? J/(mol K)
Heat capacity, cp? J/(mol K)
Liquid properties
Std enthalpy change of formation, ΔfHoliquid−124.3 kJ/mol
Standard molar entropy, Soliquid174.5 J/(mol K)
Heat capacity, cp102.3 J/(mol K)
Gas properties
Std enthalpy change of formation, ΔfHogas−95.52 kJ/mol
Standard molar entropy, Sogas270.28 J/(mol K)
Heat capacity, cp? J/(mol K)
van der Waals' constantsa = 1244 L2 kPa/mol2 b = 0.08689 liter per mole

Vapor pressure of liquid

P in mm Hg11040100400760
T in °C–70.0–43.3–22.3–6.324.140.7

Table data obtained from CRC Handbook of Chemistry and Physics 47th ed.

log10 of Dichloromethane vapor pressure. Uses formula: log e ⁡ P m m H g = {\displaystyle \scriptstyle \log _{e}P_{mmHg}=}log e ⁡ ( 760 101.325 ) − 10.08632 log e ⁡ ( T + 273.15 ) − 6030.610 T + 273.15 + 80.87786 + 9.812512 × 10 − 6 ( T + 273.15 ) 2 {\displaystyle \scriptstyle \log _{e}({\frac {760}{101.325}})-10.08632\log _{e}(T+273.15)-{\frac {6030.610}{T+273.15}}+80.87786+9.812512\times 10^{-6}(T+273.15)^{2}} obtained from CHERIC

Spectral data

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

Structure and properties data

Structure and properties
Index of refraction1.424
Dielectric constant8.93
Viscosity0.44 cP at 20 °C