Dichloromethane (data page)

Please find below supplementary chemical data about dichloromethane.

MSDS sheets[edit]

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[edit]

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[edit]

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[edit]

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[edit]

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[edit]

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[edit]

^ "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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