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Elmet Technologies

Dichloromethane (CH2Cl2; Methylene Chloride)
Categories: Fluid; Solvent

Key Words: CH2Cl2
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Physical PropertiesMetricEnglishComments
Density 1.3266 g/cc
@Temperature 20.0 °C
0.047926 lb/in³
@Temperature 68.0 °F
Viscosity  0.413 cP
@Temperature 25.0 °C
0.413 cP
@Temperature 77.0 °F
 0.426 cP
@Temperature 20.0 °C
0.426 cP
@Temperature 68.0 °F
Dynamic Viscosity
Molecular Weight 84.93 g/mol84.93 g/mol
Vapor Pressure  0.1000 bar
@Temperature -12.5 °C
75.00 torr
@Temperature 9.50 °F
 0.474009 bar
@Temperature 20.0 °C
355.537 torr
@Temperature 68.0 °F
Surface Tension 27.2 dynes/cm27.2 dynes/cmat 25°C; Gamma
 
Chemical PropertiesMetricEnglishComments
Critical Pressure 61.000 bar45754 torr
Critical Temperature 236.68 °C458.02 °F
Critical Density 0.440 g/cc0.0159 lb/in³
Critical Molar Volume 193 cm³/mol11.8 in³/mol
 
Thermal PropertiesMetricEnglishComments
Heat of Fusion 54.16 J/g23.30 BTU/lbEnthalpy of fusion at normal melting point
Heat of Vaporization 330.4 J/g142.1 BTU/lbEnthalpy of vaporization at normal boiling temperature
Specific Heat Capacity 1.188 J/g-°C0.2839 BTU/lb-°F
 0.587 J/g-°C
@Temperature 25.0 °C
0.140 BTU/lb-°F
@Temperature 77.0 °F
Vapor
Thermal Conductivity 0.1392 W/m-K
@Temperature 20.0 °C
0.9660 BTU-in/hr-ft²-°F
@Temperature 68.0 °F
Melting Point -97.2 °C-143 °FAt atmospheric pressure (760 torr)
Boiling Point 40.0 °C
@Pressure 0.101 MPa
104 °F
@Pressure 14.7 psi
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.4242
@Temperature 20.0 °C,
Wavelength 589.3 nm
1.4242
@Temperature 68.0 °F,
Wavelength 589.3 nm
Na D line
 
Descriptive Properties
Antoine's Vapor Pressure A Parameter16.3029
Antoine's Vapor Pressure B Parameter2622.44
Antoine's Vapor Pressure C Parameter-41.7
Antoine's Vapor Pressure Formulaln πp = A - B/(T+C)P in mmHg and T in K
CAS registry number (CARN)75-09-2
Chemical FormulaCH2Cl2
Critical Compressibility (Zc)0.277
Dipole moment (p/C.m)6.004E-28
Dynamic Viscosity Formulalog10 η=A(1/T-1/B)
Dynamic Viscosity Parameter A359.55
Dynamic Viscosity Parameter B225.13
Molar Heat Capacity (298K)49.854 J/mol-K
Molar Heat Capacity of Vapor a Parameter12.9453
Molar Heat Capacity of Vapor b Parameter0.1622
Molar Heat Capacity of Vapor c Parameter-0.0001301
Molar Heat Capacity of Vapor d Parameter4.205E-09
Molar Heat Capacity of Vapor FormulaCp = a + bT + cT2 + dT3Cp in J/mol-K
UN Number1593
UV cut-off (nm)235

References for this datasheet.

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