Dichloromethane (data page)

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Please find below supplementary chemical data about dichloromethane.

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,[1] nD 1.4242
Abbe number ?
Dielectric constant,[2] εr 9.08 ε0 at 20 °C
Dipole moment,[3] 1.62 D
Bond strength  ?
Bond length  ?
Bond angle  ?
Magnetic susceptibility  ?
Surface tension[4] 26.52 dyn/cm at 20 °C
Viscosity[5] 0.449 mPa·s at 15 °C
0.393 mPa·s at 30 °C

Thermodynamic properties

Phase behavior
Triple point  ? K (? °C), ? Pa
Critical point[6] 510 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, ΔvapHo		 28.6 kJ/mol
Std entropy change
of vaporization, ΔvapSo		 91.43 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,
Soliquid		 174.5 J/(mol K)
Heat capacity, cp 102.3 J/(mol K)
Gas properties
Std enthalpy change
of 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[7] a = 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: obtained from CHERIC[6]

Spectral data

Structure and properties data

References

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