Dichloromethane (data page)

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.

• Baker

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 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.

log₁₀ of Dichloromethane vapor pressure. Uses formula: ${\displaystyle \scriptstyle \log _{e}P_{mmHg}=}$${\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^[6]

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

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• Except where noted otherwise, data relate to Standard temperature and pressure.
• Reliability of data general note.