Dichloromethane (data page) explained

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, ΔfusH^o	+6.160 kJ/mol
Std entropy change of fusion, ΔfusS^o	? J/(mol·K)
Std enthalpy change of vaporization, ΔvapH^o	28.6 kJ/mol
Std entropy change of vaporization, ΔvapS^o	91.43 J/(mol·K)
	Solid properties
Std enthalpy change of formation, ΔfH^osolid	? kJ/mol
Standard molar entropy, S^osolid	? J/(mol K)
Heat capacity, cp	? J/(mol K)
	Liquid properties
Std enthalpy change of formation, ΔfH^oliquid	-124.3 kJ/mol
Standard molar entropy, S^oliquid	174.5 J/(mol K)
Heat capacity, cp	102.3 J/(mol K)
	Gas properties
Std enthalpy change of formation, ΔfH^ogas	-95.52 kJ/mol
Standard molar entropy, S^ogas	270.28 J/(mol K)
Heat capacity, cp	? J/(mol K)
van der Waals' constants^[7]	a = 1244 L^2 kPa/mol^2 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.

Spectral data

UV-Vis
Spectrum	?
Lambda-max	? nm
Log Ε	?
colspan="2"	IR
Spectrum	NIST
Major absorption bands	? cm^-1
colspan="2"	NMR
	δ CDCl3 5.30 (s, 2H)
	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

References

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

Notes and References

1. Web site: Methylene Chloride. chemicalland21.com. 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);
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
6. Web site: Pure Component Properties. Queriable database. Chemical Engineering Research Information Center. 29 May 2007.
7. Web site: van der Waal's Constants for Real Gases. Tom Stretton's Chemistry Pages. 29 May 2007.