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] n_D	1.4242
Abbe number	?
Dielectric constant,^[2] ε_r	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, Δ_fusH^o	+6.160 kJ/mol
Std entropy change of fusion, Δ_fusS^o	? J/(mol·K)
Std enthalpy change of vaporization, Δ_vapH^o	28.6 kJ/mol
Std entropy change of vaporization, Δ_vapS^o	91.43 J/(mol·K)
Solid properties
Std enthalpy change of formation, Δ_fH^o_solid	? kJ/mol
Standard molar entropy, S^o_solid	? J/(mol K)
Heat capacity, c_p	? J/(mol K)
Liquid properties
Std enthalpy change of formation, Δ_fH^o_liquid	−124.3 kJ/mol
Standard molar entropy, S^o_liquid	174.5 J/(mol K)
Heat capacity, c_p	102.3 J/(mol K)
Gas properties
Std enthalpy change of formation, Δ_fH^o_gas	−95.52 kJ/mol
Standard molar entropy, S^o_gas	270.28 J/(mol K)
Heat capacity, c_p	? 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:

\scriptstyle \log _{e}P_{mmHg}=

\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

This box:

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

References

^ "Methylene Chloride". chemicalland21.com. Retrieved 29 May 2007.
^ CRC Handbook of Chemistry and Physics, 47th ed. p E-54
^ 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
^ CRC Handbook of Chemistry and Physics, 47th ed. pp F-28 - F-30
^ CRC Handbook of Chemistry and Physics, 47th ed. pp F-33 - F-38
^ ^a ^b "Pure Component Properties" (Queriable database). Chemical Engineering Research Information Center. Retrieved 29 May 2007.
^ "van der Waal's Constants for Real Gases". Tom Stretton's Chemistry Pages. Retrieved 29 May 2007.

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

[1] "Methylene Chloride". chemicalland21.com. Retrieved 29 May 2007.

[2] CRC Handbook of Chemistry and Physics, 47th ed. p E-54

[3] 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

[4] CRC Handbook of Chemistry and Physics, 47th ed. pp F-28 - F-30

[5] CRC Handbook of Chemistry and Physics, 47th ed. pp F-33 - F-38

[cheric_p-6] "Pure Component Properties" (Queriable database). Chemical Engineering Research Information Center. Retrieved 29 May 2007.

[7] "van der Waal's Constants for Real Gases". Tom Stretton's Chemistry Pages. Retrieved 29 May 2007.

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