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Dichloromethane (data page)

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Chemical 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.

Structure and properties

Structure and properties
Index of refraction, nD 1.4242
Abbe number ?
Dielectric constant, εr 9.08 ε0 at 20 °C
Dipole moment, 1.62 D
Bond strength ?
Bond length ?
Bond angle ?
Magnetic susceptibility ?
Surface tension 26.52 dyn/cm at 20 °C
Viscosity 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 510 K (237 °C), 6100 kPa
Std enthalpy change
of fusion, ΔfusH 		+6.160 kJ/mol
Std entropy change
of fusion, ΔfusS 		? J/(mol·K)
Std enthalpy change
of vaporization, ΔvapH 		28.6 kJ/mol
Std entropy change
of vaporization, ΔvapS 		91.43 J/(mol·K)
Solid properties
Std enthalpy change
of formation, ΔfHsolid 		? kJ/mol
Standard molar entropy,
Ssolid 		? J/(mol K)
Heat capacity, cp ? J/(mol K)
Liquid properties
Std enthalpy change
of formation, ΔfHliquid 		−124.3 kJ/mol
Standard molar entropy,
Sliquid 		174.5 J/(mol K)
Heat capacity, cp 102.3 J/(mol K)
Gas properties
Std enthalpy change
of formation, ΔfHgas 		−95.52 kJ/mol
Standard molar entropy,
Sgas 		270.28 J/(mol K)
Heat capacity, cp ? J/(mol K)
van der Waals' constants a = 1244 L kPa/mol
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: log e ⁡ P m m H g = {\displaystyle \scriptstyle \log _{e}P_{mmHg}=} log e ⁡ ( 760 101.325 ) − 10.08632 log e ⁡ ( T + 273.15 ) − 6030.610 T + 273.15 + 80.87786 + 9.812512 × 10 − 6 ( T + 273.15 ) 2 {\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

Spectral data

UV-Vis
Spectrum ?
Lambda-max ? nm
Log Ε ?
IR
Spectrum NIST
Major absorption bands ? cm
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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References

  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
  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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