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Dichloromethane (data page)

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Please find below supplementary chemical data about dichloromethane.

MSDS sheets

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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

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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

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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

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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: obtained from CHERIC[6]

Spectral data

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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

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Structure and properties
Index of refraction 1.424
Dielectric constant 8.93
Viscosity 0.44 cP at 20 °C
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References

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  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. ^ a b "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.